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Dumrong Tangchitnob, MD is an OB/GYN and cosmetic specialist at Tangchitnob MD in West Covina, California, who has been improving women’s health for more than 30 years. Specializing in minimally invasive gynecologic and robotic surgery, he is a dedicated practitioner aimed at providing excellent care to women using the most advanced treatment options available.

Dr. Tangchitnob received his medical degree from Chulalongkorn University in Bangkok, Thailand. He remained in Bangkok to complete his internship at Bhumibol Adulyadej Hospital. He then traveled to the United States to complete his pediatric and OB/GYN residency and neonatology fellowship at Jersey City Medical Center in Jersey City, New Jersey.

He is a board-certified OB/GYN and is a fellow of the American Academy of Cosmetic Surgery. Dr. Tangchitnob is also very involved in the Citrus Valley Health Foundation, serving on their board of trustees.

To better serve his diverse community, Dr. Tangchitnob speaks a number of languages including Thai, Chinese, and Spanish.

Dr. Tangchitnob combines warmth and compassion with modern medicine to improve both comfort and care for his patients.

Dr. Tangchitnob is married with two grown children. He and his son, Dr. Edward Tangchitnob, work together at Tangchitnob MD, while his daughter is an attending physician specializing in geriatrics at Kaiser Permanente.

About Dr. Kim

Jamie Kim, MD, FACOG, is a board-certified OB/GYN and an accredited associate of the Laser Vaginal Rejuvenation Institute of America with a practice in Fountain Valley, California. Dr. Kim is one of only a handful of doctors in the United States with advanced training in aesthetic reconstructive vaginal surgery, and she is among only a few women in the state of California able to perform these surgeries.

In addition to restoring vaginal health, Dr. Kim is also an experienced surgeon, with 25 years in practice. She offers da Vinci® robotic surgery for the removal of fibroids, ovarian tumors, and endometrial tissue. She also provides expert OB/GYN services, including well-women examinations and Pap smears as well as care and delivery of normal and high-risk pregnancies. For patients of all ages, Dr. Kim provides BioTe® hormone optimization.

To keep her patients looking young and vibrant, Dr. Kim also provides aesthetic treatments, including dermal fillers and Botox®. Dr. Kim received her undergraduate degree in biomedical science from the University of California Riverside, graduating cum laude. She then went to the University of California Los Angeles Medical School for her medical degree, and after completing an internship at the University of Southern California in Los Angeles, she finished her residency program in OB/GYN at Washington University School of Medicine in St. Louis.

When she isn’t busy helping her patients live healthier, happier lives, Dr. Kim is spending time with her husband and children at their home in Newport Beach.

Dr. Kim is fluent in Korean, English, and medical Spanish, and each member of her team speaks at least two languages.

Dr. Minal Mehta is a board-certified physician who specializes in the fields of obstetrics and gynecology. The doctor and her staff serve the residents of Fountain Valley, California, and many nearby communities, including Huntington Beach, Costa Mesa, Newport Beach, Westminster, Santa Ana, and Anaheim. She has over 18 years of experience serving the community as a licensed OB/GYN. At her office, the doctor uses state-of-the-art diagnostic tools and treatment options to provide her patients with the best medical care possible. She performs deliveries at Orange Coast Memorial and Fountain Valley Regional. 

Dr. Mehta received her medical degree in 1998 when she graduated from Chicago Medical School. At that time, she turned her interest toward her chosen area of practice. She specializes in treating OB/GYN patients who are high-risk as well as those who have problems with fertility and conception.

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. 

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.

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.

Dr. Simmi P. Dhaliwal is a board-certified OB/GYN physician at Femcare Medical Associates in Pomona and Ontario, California. As a Fellow of The American Congress of Obstetricians and Gynecologists, she's committed to ongoing professional education and provides patients with the highest quality health care.

Dr. Dhaliwal completed her undergraduate studies in biomedical sciences at the University of California, Riverside. She attended medical school at the University of California, Los Angeles School of Medicine from 1992-1996, and she completed her residency at Harbor UCLA Medical Center Department of OB/GYN from 1996-2000.

She was Chairman of the OB/GYN department at Pomona Valley Hospital from 2007-2008, 2009-2010, and 2015-2016. Dr. Dhaliwal has been board-certified by the American Board of OB/GYN since 2003.

Dr. Dhaliwal has lived in the area since she was 15-years-old and attended all local schools. In her spare time, she enjoys reading, bike riding at the beach, shuttling her three kids to soccer, and walking her Labrador puppy.

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. 

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!

Women of all ages receive comprehensive and compassionate care by an all-female staff at Women 2 Women Medical Center in Irvine, California. Led by G. Lara Bhatnagar, MD, a board-certified OB/GYN, the warm and welcoming staff greets you with a smile from the moment you call or request an appointment online, and they go out of their way to accommodate your needs. Dr. Bhatnagar cares for each patient from the first visit, throughout their pregnancy, delivery of your baby, and beyond. As an OB/GYN for several decades, Dr. Bhatnagar has delivered over 3,000 babies and completed over 1,000 surgeries successfully, receiving several awards recognizing her care and knowledge, including the Top OB/GYN in Irvine Award and the Orange County Circle of Care Award.

Because of their ability to serve the needs of diverse populations, Women 2 Women Medical Center is one of only 21 practices nationwide to receive a competitive grant from the National Committee for Quality Assurance (NCQA).

Dr. Bhatnagar and her staff specialize in minimally invasive surgeries, including colposcopy, hysterectomy, and hysteroscopy for various gynecological issues. The doctor also provides maternity care, routine annual preventive exams, and care for complex gynecologic issues such as endometriosis, fibroids, or infertility treatment. With an all-female staff, the entire team understands the unique complex challenges women face and work with each patient to navigate the process of diagnosis and treatment. Committed to treating every patient as a whole, the mind and body connection that affects every individual’s wellbeing, Dr. Bhatnagar and her staff make the time to get to know patients as individuals to provide the highest quality care.

To schedule an appointment, call Women 2 Women Medical Center, or use the online booking tool.

Patrick Diesfeld, MD, FACOG, specializes in obstetric and gynecologic care at Women’s Health Partnership Medical Group in Ventura and Oxnard, California. He offers a wide spectrum of services like annual exams, contraception, STD prevention, infertility treatments, and pregnancy care. He also offers advanced outpatient solutions for gynecologic surgery and offers collaborative midwife obstetric care. 

Dr. Diesfeld received his medical degree from the State University of New York, Buffalo. He completed his internship and residency at the Los Angeles County–USC Medical Center. He became a fellow at the American College of Obstetricians and Gynecologists. He then became the assistant residency director at the UCLA Medical Center’s Ventura campus in the OB/GYN Training Program.

Dr. Diesfeld was one of the early members of the American Association of Gynecologic Surgeons and has presented original research at their annual meetings. He has been an innovator in the field of minimally invasive surgery and is a surgical device patent holder.

Dr. Diesfeld is a member of the International Society of Gynecologic Endoscopy, American Association of Gynecologic Laparoscopists, American Urogynecologic Society, American Institute of Ultrasound in Medicine, American Association of Ambulatory Surgery Centers, American Medical Association, California Medical Association, and Ventura County Medical Society.

Dr. Diesfeld's interests include boating, saltwater fishing, and snow skiing with his wife, Dr. Estela Diesfeld, and their twins. He also confesses to a weakness for large-finned 60s convertibles from Detroit.

Call Dr. Diesfeld at Women’s Health Group of Ventura today or schedule an appointment online.

The Private Practice at Community Memorial Hospital in Ventura.

The providers at Women's Health Group of Ventura, located in Ventura, California, offer advanced women's medicine with personal care and the the one-on-one attention you deserve. Dr. Patrick Diesfeld works alongside midwives Sally McNally, C.N.M., Bethany Mesker, C.N.M., Sarah Figueroa Cardenas, C.N.M., and Courtney Sheen, N.P.,

All the Midwives are Nurse Practitioners so they are eminently qualified to provide you personalized and individualized care for all seasons of a woman’s life. The Midwives’ experience combined with Dr. Diesfeld’s experience equals supervision of over 45,000 births for over 3 decades and 3 continents!

Since 1985, Women’s Health Group of Ventura has provided complete Obstetrics and Gynecology care that supports women through all stages of life, from first exams and prenatal care to the treatment of gynecologic problems and menopause management.

From annual testing and contraception options to pregnancy and infertility treatment options, Women’s Health Group of Ventura offers a comprehensive scope of OB/GYN services for women of all ages. The office also offers advanced gynecologic surgery and treatment of urine loss and bladder repair, as well as Gyn + Obstetric ultrasound studies, including 3D + 4D images of your baby!

To the patient's convenience, the office offers 7AM appointments as well as same-day urgent appointments. With exceptional care for all your health needs, in a guaranteed warm and friendly environment, call Women’s Health Group of Ventura or schedule an appointment online today!

Dr. Sally McNally's Hypnotherapy

Dr. Sally McNally's Podcast: The Bleedin' Truth

Dr. Sally McNally's Youtube Channel

Dr. Sally McNally's Yoga (Prenatal + Vinyasa) - Located in Ventura

Sally McNally has spent over 30 years working in the labor room both as a midwife and as a labor and delivery RN. Sally brings a wealth of information and experience to the patients she serves. Her goal is to work with her patients to help them achieve a birth experience as close to their dreams as possible. “I believe women are very wise and powerful, I encourage women to embrace that inner wisdom and trust their bodies during childbirth.”

Sally originally trained as a nurse and then as a midwife in Ireland. She spent 5 years in Saudi Arabia working as a midwife before coming to the US. She worked as an RN and Charge nurse for 20 years at CMH in Ventura. Recently she went back to school earning her Masters and CNM certification. Sally is a Certified Hypnotherapist, Certified Yoga Instructor and Certified Childbirth Educator. She blends these gifts together to help prepare women to go confidently into their labor and births. She teaches classes at CMH, New Parent Resource Center. Sally has one daughter and she is married to local realtor John McNally.

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. 

Dr. Simmi P. Dhaliwal is a board-certified OB/GYN physician at Femcare Medical Associates in Pomona and Ontario, California. As a Fellow of The American Congress of Obstetricians and Gynecologists, she's committed to ongoing professional education and provides patients with the highest quality health care.

Dr. Dhaliwal completed her undergraduate studies in biomedical sciences at the University of California, Riverside. She attended medical school at the University of California, Los Angeles School of Medicine from 1992-1996, and she completed her residency at Harbor UCLA Medical Center Department of OB/GYN from 1996-2000.

She was Chairman of the OB/GYN department at Pomona Valley Hospital from 2007-2008, 2009-2010, and 2015-2016. Dr. Dhaliwal has been board-certified by the American Board of OB/GYN since 2003.

Dr. Dhaliwal has lived in the area since she was 15-years-old and attended all local schools. In her spare time, she enjoys reading, bike riding at the beach, shuttling her three kids to soccer, and walking her Labrador puppy.