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Dr. Clark has a passion for healing and for improved patient outcomes. Following fellowship training, Dr. Clark was recruited by Hoag Hospital as the first Medical Director for the Womens Center for Continence. He received his medical degree from the University of Utah School of Medicine and completed his residency in Obstetrics and Gynecology. After completing residency, he further specialized by completing a Fellowship in Female Pelvic Medicine and Reconstructive Surgery ("Urogynecology") at Indiana University/Methodist Hospital in Indianapolis, IN.

Dr. Clark is nationally recognized for his surgical skills and teaches advanced surgical techniques to other physicians throughout the United States. In 2008, he was invited by the Jordanian government to teach advanced gynecology surgery techniques to the Ministry of Health Gynecology Division. Dr. Clark uses a wide range of surgical and laparoscopic techniques and a da Vinci® robot. He participates in the design and development of surgical instruments and uses cutting edge urogynecology surgery techniques, products, and modalities.

Professional Recognition

• Board Certified, OB/GYN
• Board Certified, Female Pelvic Medicine and Reconstructive Surgery
• Member, Phi Beta Kappa
• Fellow, American Association of Gynecologic Laparoscopists
• Invited Guest of Government of Jordan to teach minimally invasive gynecologic surgery

Dr. Clark is an active member of the Orange County community having served as a youth soccer coach for over a decade and as a Scout Master in the Newport Beach Boy Scouts program. He enjoys hiking, camping and ocean sports. You may see him rowing a scull in the Newport Bay in the early morning hours. Dr. Clark is a family man and has been married to his wife for 35 years. Together they have four children. 

Catalin Marinescu, MD, FACOG, specializes in pelvic surgery with an emphasis on minimally invasive procedures at OBGYN CARE in Newport Beach and Irvine, California. He performs gynecologic surgeries, such as hysterectomy and reconstructive procedures for prolapse or other pelvic floor defects, as well as procedures to treat urinary incontinence. Dr. Marinescu has affiliations with Hoag Hospital Newport Beach and Hoag Hospital Irvine.

Dr. Marinescu had an unparalleled 10 years of post-graduate residency training. He did a general surgery program at Carol Davila University of Medicine and Pharmacy in Bucharest, Romania and was trained in obstetrics and gynecology at the prestigious Mount Sinai Hospital Medical Center in Chicago, affiliated with Rush University.

Highly trained in obstetrics and gynecology, including infertility, Dr. Marinescu offers advanced prenatal diagnosis for high-risk pregnancies and follows the safest and most effective guidelines for delivery. His results are outstanding in difficult deliveries and minimally invasive surgeries, with over 200 da VinciⓇ robotic surgeries performed. 

Due to his unique worldly experiences on both sides of the Atlantic, Dr. Marinescu understands the impact of different cultures on each woman’s unique personality. He is attentive to each woman’s concerns and respectful of her time. He exercises great compassion and care with his patients, and works in a collaborative effort with other specialists to determine the best course of action for each patient’s specific journey. 

Nathaniel DeNicola, MD, MSHP, FACOG, is a board-certified obstetrician and gynecologist who sees patients at Orange County OBGYN in Newport Beach. He grew up in Los Angeles and Orange County, rooting for the Dodgers and Lakers. When traveling, he always makes In-N-Out his first stop when returning to California. He enjoys bodysurfing on the peninsula in Newport Beach and taking his one-year-old daughter, Keaton, to swim class.

Nathaniel has Orange County roots: he attended high school at Santa Margarita and completed medical school at the University of California, Irvine.  

Nathaniel also has professional experience outside California: he completed residency in obstetrics and gynecology at Tulane University and still returns to New Orleans annually to present lectures and enjoy charbroiled oysters.  After residency he earned a Masters of Science in Health Policy Research (MSHP) with the Robert Wood Johnson Clinical Scholars program at the University of Pennsylvania.

Prior to returning to California in 2020, Nathaniel worked on health policy in Washington, DC, where he held a joint appointment with Johns Hopkins Medicine. He is a national leader on emerging telehealth policy and serves as the resident telehealth expert for the American College of Obstetricians and Gynecologists. He also has international leadership in environmental health policy and holds liaison roles with the American Academy of Pediatrics, the International Federation of Gynecology and Obstetrics, and the World Health Organization.

Yonatan Mahller, MD, PhD,  is a board-certified obstetrician and gynecologist who provides expert obstetric and gynecologic care to women of all ages at Orange County OBGYN in Orange County. Patients can access a full range of services at his office in Newport Beach, California, where he offers well-woman care, care for low and high-risk pregnancies, pre-conception and infertility counseling and treatment for menopause. Dr. Mahller combines excellent surgical training with cutting-edge technology, including the MonaLisa Touch® laser that treats vaginal discomfort associated with menopause and urinary incontinence. He is affiliated with Hoag Hospital.

Dr. Mahller is a native of Southern California. While at the University of California at Santa Barbara, he obtained a Bachelor’s degree in physiology and a Master’s degree in molecular biology. He then relocated to the Midwest to attend the University of Cincinnati College of Medicine, where he completed a dual degree program, obtaining his M.D. and a Ph.D. in developmental biology. He then returned to California and completed residency in obstetrics and gynecology at the prestigious Cedars Sinai Medical Center in Los Angeles.

Throughout his medical training, Dr. Mahller has won numerous awards recognizing his caring bedside manner and stellar surgical skills. While in graduate school, he performed significant preclinical research studies utilizing novel anticancer agents and authored numerous publications on topics such as cancer stem cells. He has given multiple presentations at international scientific meetings. During residency, Dr. Mahller created and implemented a course for OB/GYN residents, teaching them the Spanish needed to provide care to Spanish-speaking patients.

Dr. Mahller's patients count on him to devote the time needed to answer their questions, get to the underlying cause of their symptoms and develop an individualized treatment plan.

When he’s not caring for patients, Dr. Mahller likes to develop new technology, travel, cook, and spend time with his family.

Jennifer is a women’s health expert with more than 20 years of experience specializing in gynecology and functional medicine. Jennifer takes a holistic approach to care, empowering and inspiring women throughout every stage of their lives. Jennifer began her career in healthcare as a doula and apprentice midwife at The Natural Childbirth Institute in Culver City, CA. After working in obstetrics for many years, Jennifer decided to pursue her role as a primary care provider and attended the Keck School of Medicine Primary Care Physician Assistant Program at USC in Los Angeles. She has worked in numerous clinical settings as a physician assistant and has extensive experience in obstetrics, gynecology, reproductive endocrinology, family and emergency medicine. At Thrive Wellness Center, Jennifer and the Thrive Team are dedicated to providing individualized care integrating the best of western medicine and alternative therapies into an effective, evidence-based care plan.

John Paul Cardin Jr.., MD, is a primary care physician who treats adult patients, young and old, at his self-titled practice in Long Beach, California. Dr. Cardin is board-certified and specializes in general practice, women's health and geriatric medicine. He stays up to date with the latest medical advancements to maintain his advanced credentials. Dr. Cardin has been actively practicing medicine in the Long Beach area for over 35 years, and remains passionate about caring for patients and helping them achieve optimal health. Dr. Cardin takes the time to really listen to patients, understand their needs, and gain trust to provide the best possible medical solutions. This is demonstrated in his detailed, first patient appointments, in which he addresses all medical issues and possible treatments. For over 20 years, Dr. Cardin has maintained active privileges in good standing at Long Beach Memorial Medical Center. He provides the highest quality of care to patients with high blood pressure, diabetes, female health problems, asthma, allergies, migraines, and much more. Currently accepting new patients, Dr. Cardin can be reached by phone almost 24 hours a day, and also welcomes walk-in appointments. His staff is attentive, efficient, and provides reliable referrals to achieve maximum results for patients. Rather than focusing solely on treating an illness or disease, Dr. Cardin’s top priority is keeping his patients’ overall health in the best possible condition.

Parisa Pourzand, M.D., is a board-certified OB/GYN dedicated to improving the lives of women of all ages at her practice, Parisa Pourzand, M.D. Inc., in the greater Glendale, Burbank, and Beverly Hills, California areas. She views her role as your partner in making the absolute most of your health and wellness and strives to build a relationship with each and every woman in her care.

Dr. Pourzand began her education at the University of Tabriz in Iran before coming to America to complete a residency at Loma Linda University Medical Center in Loma Linda, California. She further refined her skills through a residency at Adventist Health Glendale.

Now in private practice in Glendale, Burbank, and Beverly Hills, California, Dr. Pourzand offers comprehensive OB/GYN services spanning the course of a woman’s life. Whether you need to bring your daughter to her first gynecology appointment, are in need of well woman exams, want to explore your family planning options, or have a complex gynecology need, Dr. Pourzand is here to help.

Dr. Pourzand is also honored to be the obstetrician of choice for many women in the Glendale, Burbank, and Beverly Hills, California, areas. Assisting you through this exciting time of your life is a privilege, one that Dr. Pourzand takes to heart. You’ll feel supported and well cared for from your very first prenatal care visit through your delivery and postnatal care.

Technology plays an important role at Parisa Pourzand, M.D. Inc. and enhances every aspect of your care. From state-of-the-art imaging and diagnostic tools to advanced surgical solutions, Dr. Pourzand relies on equipment that represents today’s best medical technology. She and her staff attend continuing education opportunities to ensure they stay abreast of the continuous changes in medical tech.

If you’re looking for a women’s health specialist who takes the time to get to know you and is always willing to listen to your concerns, book an appointment to sit down with Dr. Pourzand and learn more about her approach to women’s health.

Dr. Shobhana Gandhi is a board-certified OB/GYN whose main practice serves the greater Los Angeles, California area. She also serves residents who live in the surrounding communities. Her areas of expertise include all types of pregnancy care which includes delivering patients with medical issues and babies with abnormalities. She also provides comprehensive gynecologic care such as cancer screening, treatment of common gynecologic conditions such as abnormal bleeding, fibroids, ovarian cysts, infertility, hormone replacement therapy, and many other conditions that women may experience. Dr. Gandhi speaks fluent Hindi, Gujarati, Marathi, and medical Spanish.

Dr. Gandhi received her medical diploma in 1969 from the very prestigious Maharaja Sayajirao, located in Baroda, India. She served her Medical Internships at the University Hospital in Baroda, India and at Cook County Hospital. She completed her OBGYN Residency at Deaconess Hospital at Saint Louis, MO. and at the University Medical Center of Columbia, MO. Over the years, she has received numerous awards, recommendations, and certifications. They include the Healthgrades Honor Roll and an Outstanding Achievement Award. She has also been published in different media publications.
Dr. Gandhi and her staff take pride in being able to offer their patients the highest level of healthcare possible. They have cutting edge diagnostic tools that allow them to offer their patients the most accurate diagnosis possible. Their welcoming facility is able to provide several different levels of care, including ancillary services such as ultrasound, nutritional assessment and advice, psychologist consultation, social worker services, etc. and offer a full line of healthcare services when it comes to the OB/GYN practice.

Dr. Shobhana Gandhi offers comprehensive, personalized care to each of her patients. She accepts patients of all ages, ethnic backgrounds, and various income levels and accepts most types of insurance. She believes in offering each patient individualized care that is based on patient’s own personal needs. She thoroughly evaluates each patient to determine what type of care she needs and what procedure may be needed as part of her customized treatment plan. Dr Gandhi’s goal is to make sure each patient is treated with the utmost care and respect and that all the healthcare concerns are addressed and met in a timely fashion.

Dr. Arjang Naim is a compassionate, well-known OB-GYN treating patients in Los Angeles, California, and the surrounding communities. His goal as a practitioner is to ensure that each of his patients is satisfied with the care that they receive. He holds certification from the American Board of Obstetrics and Gynecology. 

Raised in Los Angeles and New York, Dr. Naim attended the Mount Sinai School of Medicine in order to pursue his medical degree. He continued his medical education at the Maimonides Medical Center. Here, he focused on the study of obstetrics and gynecology. 

Patients visiting Dr. Naim can receive a full range of obstetric and gynecological services. He provides annual gynecological examination, family planning, care for high-risk pregnancies, and management for menopause. When he is not treating patients, Dr. Naim is active in church activities and enjoys spending time with his wife and children.

Nerissa C. Safie, MD, FACOG is a board-certified obstetrician and gynecologist with a special interest in keeping women healthy and strong through every stage of life, including pregnancy and menopause. She has been in private practice since 2011.

Dr. Safie received her bachelor of science degree in chemistry from California State University in San Bernardino graduated Suma Cam Laude. She earned her MD from Harvard University in Boston, in 2000. She completed her residency training in obstetrics and gynecology at Cedars-Sinai Medical Center in Los Angeles.

She’s a Fellow of the American College of Obstetrics and Gynecology and a member of the American Medical Association. Dr. Safie has been a natural leader from a young age, having competed in the Model U.N. and become president of the Minority Association of Pre-Health Students while at Cal State.

A lover of dance and music, Dr. Safie choreographed comical dances for her fellow medical students that were highlighted in a second-year med-school showcase. Donates her hair to Locks of love. She received the Patients’ Choice Award from vitals.com in 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, and 2018.  Compassionate Doctor Recognition award from vitals.com in 2009, 2010, 2011, 2012, 2013, 2014, 2015, and 2018

She speaks English and Tagalog fluently and also speaks some Spanish.

Joan Hazel Calinisan, MD, FACOG is an award-winning, board-certified OB/GYN who is passionate about helping women achieve and maintain optimal reproductive health at Trinity Women’s Health in Murrieta, California. She has a special interest in minimally invasive gynecologic surgery and a keen interest in the latest reproductive technologies, anti-aging and menopausal health.

A graduate of the Biomedical Sciences Accelerated Program at the University of California at Riverside, where she earned her bachelor of science degree, Dr. Calinisan has an ongoing commitment to excellence in education. She achieved her MD with honors at the University of California at Los Angeles in 1997.

She then went on to postgraduate training in obstetrics and gynecology at Loma Linda University Medical Center in California. She’s received specialized training in pelvic floor repair, and laparoscopic hysterectomy.

Dr. Calinisan belongs to many professional organizations, including the American College of Obstetrics and Gynecology, the American College of Gynecologic Laparoscopists, and the American Medical Association. She is currently Clinical Professor in OB/GYN at Western University Medical School in Pomona, California, Touro University in Vallejo, California

and medical student mentor for UCLA. She is also a consultant and proctor at Cooper Surgical, Myriad Genetics and Viacord.  Dr. Calinisan has held leadership positions including Chair of OB/GYN and Chief of Staff at Loma Linda Medical Center, Murrieta, California

She received the Patients’ Choice Award from vitals.com in 2010, 2011 and 2018. In 2010, Dr. Calinisan was named Top OB/GYN Inland Empire by IE Family Magazine. She speaks English, Spanish, and Tagalog.

David Ahdoot, M.D., FACOG is a board-certified OB-GYN, who serves as a diplomat of the American Board of Obstetrics and Gynecology.

Dr. Ahdoot obtained his medical degree at the University of California San Diego before going on to complete a nationally renowned residency program in Obstetrics and Gynecology at the University of California Irvine. He has authored more than 30 publications and is the recipient of numerous awards including Patient’s Choice Award and the Top 10 Doctor Award in Los Angeles.

In addition to seeing patients at his private practice, he also has an academic affiliation as an assistant clinical professor at UCLA. Dr. Ahdoot has privileges with three area hospitals: Providence Saint Joseph Medical Center, Encino-Tarzana Hospital, and Providence Holy Cross Hospital. Dr. Ahdoot is bilingual in both English and Spanish to better serve the patients in the community.

Dr. Ahdoot specializes in minimally invasive surgery and is a nationally recognized robotic surgeon. Aside from pregnancy, preventive and post-menopausal care, Dr. Ahdoot also strives to help his patients with specific medical conditions including ovarian cysts, uterine fibroids, PCOS, urinary incontinence, sexually transmitted diseases and other individualized health needs that may affect women today.  

Dr. Ahdoot’s highest priority is his patients and the care they receive. His ultimate aim is to improve the quality of life for each and every one of his patients.

At your first appointment, Dr. Ahdoot and his staff will take the time to discuss your medical history in full detail in order to make sure that the best possible individualized treatment options are offered to you. Call Dr. Ahdoot today to get started on the path to better health!

Dr. Sushma Bhadauria, MD, MS, FACOG, is a Board-Certified Obstetrician Gynecologist and an Attending Physician at Cedars Sinai Medical Center. She has over 15 years of experience in this specialty, including being a faculty at UCLA in the Department of Ob-Gyn and as a staff obstetrician and gynecologist at Cedars Sinai Medical Group. Dr. Bhadauria completed her four year residency training in Obstetrics and Gynecology at UCLA and Robert Wood Johnson Medical Center. She worked as an Assistant Professor in the Department of Obstetrics and Gynecology at David Geffen School of Medicine at UCLA and in 2006 she joined Cedars Sinai Medical Group as a staff obstetrician and gynecologist. She worked there until January 2014, when she started her own private practice located just a mile away from Cedars Sinai Medical Center.Dr. Bhadauria is currently accepting new patients. Dr. Bhadauria continues to perform surgery, deliver babies, and participate in resident education at Cedars Sinai Medical Center. She has received many honors and awards for her excellent teaching and patient care including UCLA Medical Student's Ob-Gyn Teaching Award, Olive View/UCLA Education Research Institute grant award, and the Golden Apple Award from the Cedars Sinai Medical Center. Her research has been published in several national and international journals including American Journal of Obstetrics and Gynecology, Gynecology Oncology, and International Surgery. Dr. Bhadauria also published research on ultrasound evaluation of high-risk pregnancies and acquired surgical skills during her three-year Master of Surgery (M.S.) in Obstetrics and Gynecology that she obtained after completing her medical school and medical internship from Sarojani Naidu Medical College, Agra, where she received Certificates of Honor in several subjects including Ob/Gyn and Internal Medicine. She held several leadership positions including Director of the Continuing Medical Education (CME).

Parisa Pourzand, M.D., is a board-certified OB/GYN dedicated to improving the lives of women of all ages at her practice, Parisa Pourzand, M.D. Inc., in the greater Glendale, Burbank, and Beverly Hills, California areas. She views her role as your partner in making the absolute most of your health and wellness and strives to build a relationship with each and every woman in her care.

Dr. Pourzand began her education at the University of Tabriz in Iran before coming to America to complete a residency at Loma Linda University Medical Center in Loma Linda, California. She further refined her skills through a residency at Adventist Health Glendale.

Now in private practice in Glendale, Burbank, and Beverly Hills, California, Dr. Pourzand offers comprehensive OB/GYN services spanning the course of a woman’s life. Whether you need to bring your daughter to her first gynecology appointment, are in need of well woman exams, want to explore your family planning options, or have a complex gynecology need, Dr. Pourzand is here to help.

Dr. Pourzand is also honored to be the obstetrician of choice for many women in the Glendale, Burbank, and Beverly Hills, California, areas. Assisting you through this exciting time of your life is a privilege, one that Dr. Pourzand takes to heart. You’ll feel supported and well cared for from your very first prenatal care visit through your delivery and postnatal care.

Technology plays an important role at Parisa Pourzand, M.D. Inc. and enhances every aspect of your care. From state-of-the-art imaging and diagnostic tools to advanced surgical solutions, Dr. Pourzand relies on equipment that represents today’s best medical technology. She and her staff attend continuing education opportunities to ensure they stay abreast of the continuous changes in medical tech.

If you’re looking for a women’s health specialist who takes the time to get to know you and is always willing to listen to your concerns, book an appointment to sit down with Dr. Pourzand and learn more about her approach to women’s health.

Our Beverly Hills based Gynecology and Obstetrics practice is dedicated to serving women from young adulthood all the way through to the later years in life. We are very proud of the relationships we have created with our patients and we look forward to serving our community for many years to come.  We strive to provide excellent up-to-date care in a professional and comfortable setting.

Our Practice

As our practice is located in one of the most modern and forward thinking cities in the world, it has been a tremendous pleasure to regularly update the office to ensure that our clients are receiving the absolute best when it comes to both their medical care and with regard to the equipment by which this care is administered. We have found that our close proximity with so many amazing hospitals as well as so many inspiring and highly qualified medical professionals has allowed our practice to really flourish.

So many factors are at play during every office visit and our entire team works hard to ensure that every client that walks through our doors feels welcomed and appreciated. The entire staff is very committed to provide all our clients with excellent service that places the general health and well being of all our clients above all else. 

Our practice is also very fortunate to be associated with one of the best hospitals in the world, Cedars Sinai Medical Center.

Dr. Banooni has developed a very rich relationship with Cedars Sinai Medical Center, serving on their “Medical Executive Committee” and being a contributing member of their “Centers of Excellence for Minimally Invasive Gynecological Surgery.” Dr. Banooni is also very dedicated to successful hospital delivery outcomes and is a member of the “Performance Improvement Committee,” a departmental committee focused on improving patient outcomes with regard to delivery and care.

Dr. Peyman Banooni has dedicated his career to caring for women of all ages.  Dr. Banooni earned his medical degree from the University of California- San Diego in 1999 and he completed his OB/GYN residency at Cedars-Sinai Medical Center in June 2003.

Dr. Banooni has lived in Los Angeles for the majority of his life. He maintains that his life's best accomplishment is one that he shares with his lovely wife and being the parents to three amazing young children.

Robert Katz, MD, FACOG, is one of the physicians practicing at Women’s Care of Beverly Hills, an obstetrics and gynecology practice in Beverly Hills, California. 

A Fellow of the American College of Obstetrics and Gynecology, Dr.  Dr. Katz completed his internship, residency, and chief residency in obstetrics and gynecology at Cedars-Sinai Medical Center. Dr. Katz has been a premier provider for the women of Beverly Hills for over 25 years and has been named “Top Doctor” by US News and World Report and “Super Doctor” by the LA Times Magazine. As a founding member of the Cedars-Sinai Center of Excellence in Minimally Invasive Gynecology, Dr. Katz is a leader of the hospital community and has served on the OB/GYN Performance Improvement Committee, the physician Peer Review Board for OB/GYN, and the hospital-wide Medical Executive Committee. He was awarded The Golden Rattle Award in 2009 by the March of Dimes for his unrivaled care of mothers and babies in the Los Angeles Community. 

Dr. Katz enjoys teaching the residents and medical students of UCLA and Cedars-Sinai and is passionate about his charity involvement with HELPS International (an annual medical mission trip to Guatemala), the March of Dimes, Shane’s Inspiration, the Hirshberg Pancreatic Cancer Foundation, and the Jewish Federation.

Diahnn Campbell, MD, is one of the skilled physicians at Women’s Care of Beverly Hills, an obstetrics and gynecology practice in Beverly Hills, California. 

She completed her undergraduate training at the University of California, San Diego, where she studied biology and also participated in collegiate basketball. She then went on to work as a researcher at the Moores Cancer Center, where she published a number of articles pertaining to novel breast cancer immunotherapies. She earned her medical degree from the University of California, Irvine, and completed her internship and residency training at Cedars Sinai Medical Center. During her training at Cedars Sinai, she continued her interests in research, looking to identify risk factors for readmission for preeclampsia as well as improving obstetrical trauma documentation. 

Dr. Campbell is well-trained in minimally invasive gynecologic surgery, including laparoscopy. She is a native of the Los Angeles area and is committed to delivering comprehensive and excellent obstetrical and gynecological care to the women in her community.