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Christina Pangan, MSN, FNP-C, is a dedicated family nurse practitioner and wound care specialist committed to providing compassionate, patient-centered healthcare to individuals and families. She provides expert care at Field Medical Solutions, with offices in Las Vegas, Nevada, Burbank, and Calexico, California.

With over a decade of nursing experience and advanced training in family medicine and wound management, Christina takes pride in delivering personalized care plans that support long-term health and healing.

Christina’s expertise includes comprehensive patient assessments, chronic disease management, and advanced wound care treatments that promote faster recovery and prevent complications. She has a proven track record of improving patient outcomes through evidence-based practices, diagnostic testing, and education that empowers patients to take charge of their health.

Her background includes years of service in the United States Air Force, where she honed her skills in leadership, post-operative care, and complex case management. Today, Christina brings that same level of precision, dedication, and teamwork to every patient interaction. 

Whether you need preventive care, ongoing management of a chronic condition, or specialized wound care, Christina is committed to ensuring you receive the highest quality of treatment in a supportive and understanding environment.

Hailing from Los Angeles, California, Dr. Behnaz Behmanesh brings her sunny California personality to all her patients. Staying true to her Southern California roots, she is a graduate of UCLA and Western University of Health Sciences. In addition, Dr. Behmanesh completed comprehensive training in Obesity Medicine through Columbia University’s Institute of Human Nutrition. She is triple board certified in Family Medicine and Obesity Medicine, and stays up-to-date on the latest medical discoveries. Dr. Behnaz Behmanesh is excited to be your Family Doctor and Weight Loss Doctor in Burbank and Los Angeles. When not striving to keep her patients happy and healthy, she enjoys hiking with her family at Franklin Canyon and shopping at Trader Joe’s.

Dr. Behmanesh in the News:

Voyage LA Article: “Inspiring Conversations with Dr. Behnaz Behmanesh”

Eat This, Not That: “Eating Habits to Avoid if You Don't Want a Heart Attack, Say Experts”

Born in the small rural ski resort town of Show Low, Arizona, Cristal Sumerlin is a dedicated Physician Assistant specializing in Internal Medicine. With a strong passion for patient care and a desire to play an active role in their treatment and well-being, she chose the professional career path of a Physician Assistant after working as an X-Ray Technician. Cristal fell in love with medicine and recognized the need to further her education to better serve her patients and the community.

Cristal takes great pride in both her personal and professional accomplishments. As a mother and military spouse, she has successfully balanced the demands of family life while pursuing her professional goals. Her commitment to her patients and dedication to her work make her a source of pride and inspiration.

In the field of Internal Medicine, Cristal's strengths lie in managing complex disease processes such as diabetes. Her previous experience as an orthopedic technician and x-ray tech in an orthopedic practice has also honed her skills in orthopedics. She finds fulfillment in working with patients facing orthopedic conditions and providing comprehensive care.

Beyond her career, Cristal enjoys spending time outdoors and engaging in activities such as camping, hiking, and traveling. She cherishes these moments with her friends and family, as they provide a source of rejuvenation and happiness outside of her job.

With her unwavering dedication, clinical expertise, and compassionate approach, Cristal Sumerlin is an invaluable asset to Dr. Richard Lam's office. She strives to make a positive impact on her patients' lives and is committed to providing comprehensive and personalized care to improve their overall well-being.

Eugenie Kim, DDS, is a senior dentist and a clinical director of her four practices located in Hesperia, Apple Valley, Moreno Valley, and Redlands.

With over a decade of experience in the dental field, Dr. Kim matches each patient with the best possible treatment option tailored to their individual needs. Additionally, she strongly believes in the value of patient comfort and therefore strives to make every visit a comfortable and pleasant one.

Graduating with honors from the University of Toronto, Dr. Kim earned a dual Bachelor of Science in psychology and physiology with a minor in linguistics. She then went on to receive her Doctor of Dental Surgery from Loma Linda University School of Dentistry. Dr. Kim immediately found herself above the curve in handling dental cases and patient care, which resulted in the early completion of her clinical requirements, and she graduated at the top of her class.

Dr. Kim taught at Loma Linda Dental School as an assistant professor and her primary focus is on dental implants. She believes in doing God’s work through dentistry and is moved by the incredible relationships she has developed with her patients. Service is her highest value, and she looks forward to the opportunity to serve each of her patients and their families for decades to come.

Primary care physician Douglas Wise, DO, is dedicated to ensuring patients in Temecula, California, have access to high-quality health care. He provides a comprehensive range of general health services at Temecula Valley Primary Care Physicians. 

Dr. Wise grew up in the suburbs of Philadelphia. After studying at the Philadelphia College of Osteopathic Medicine, he completed his residency in general practice at the Osteopathic Medical Center of Philadelphia. 

In 1981, Dr. Wise started his own private practice in Swedesboro, New Jersey. He moved to the Temecula Valley area in 1987, where he has continued practicing medicine ever since. He has worked with Dr. Zebrack for 10 years and is proud to partner with him in providing care for the residents of Temecula. 

Dr. Wise is an active member of his church and community. He volunteers annually for musical productions, and when he’s not in the office, he enjoys jogging and other fitness activities.

David Zebrack, DO, is a conscientious and friendly primary care physician and founder of Temecula Valley Primary Care Physicians. He has been in practice for more than 20 years and has cared for patients in Temecula, California, since 2004.

Dr. Zebrack began his education at UCLA where he earned his bachelor’s degree in psychobiology. He then went on to complete his medical education at the College of Osteopathic Medicine of the Pacific in Pomona, California. After earning his doctorate, Dr. Zebrack completed a one-year rotating internship at Rio Hondo Hospital in Downey, California, and a three-year family practice residency at San Bernardino County Medical Center in San Bernardino, California.

During his postgraduate training, Dr. Zebrack served as the president of his residency program. He has held various leadership positions over the years and has enjoyed mentoring medical students. Upon earning his board certification in family medicine, Dr. Zebrack joined a multispecialty medical group in Torrance, California.

In 2004, Dr. Zebrack relocated with his family to Temecula, California, where he joined Dr. Douglas Wise and eventually founded Temecula Valley Primary Care Physicians. In addition to his primary care practice, Dr. Zebrack has acted as a preceptor to train medical students, participated in research and clinical trials, and served as the department chief of family medicine at Southwest Healthcare System in Wildomar, California.

When he is out of the office, Dr. Zebrack has been a fundraiser for the United Jewish Welfare Fund and served multiple terms on the board of his homeowners' association. Dr. Zebrack enjoys spending time  time withife and three children. He stays active through tap dancing, golfing and traveling.

Dr. Zebrack is currently accepting new patients.

Board-Certified: Family Practice

Residency: San Bernadino Medical Center
DO: College of Osteopathic Medicine of the Pacific
BS: University of California, Los Angeles
Member: AMA, American Academy of Family Physicians, California Academy of Family Physicians

Joanna Ayala, MD, is a board-certified physician with over a decade of experience in family medicine. She proudly leads the team at Murrieta Primary Care Clinic in Murrieta, California.

Dr. Ayala earned her medical degree from the University of Guadalajara School of Medicine in Jalisco’s capital city of Guadalajara in Mexico. She served the community of Guadalajara for four years before completing a three-year residency in family medicine at the University of Texas Health Science Center in Houston.

After completing her residency in 2011, Dr. Ayala gained experience practicing in Texas and New Mexico. She moved to Southern California in 2017 and established Murrieta Primary Care Clinic.

Dr. Ayala is proud to offer comprehensive health care services to adults and children over the age of 5. The team takes an open, personalized approach to wellness. Dr. Ayala specializes in primary care and managing chronic conditions, while also offering skin treatments and the latest cosmetic services. 

To better serve the Murrieta, California, community, Dr. Ayala is fluent in Spanish and English. She is affiliated with Temecula Valley Hospital in California and prioritizes patient comfort at every stage of the health care journey. 

Schedule a consultation online or on the phone to meet Dr. Ayala and the team at Murrieta Primary Care Clinic.

Donna Cashdan, DO, FAAFP, is a board certified family medicine physician at Sherman Oaks Family Medicine located in Sherman Oaks, California. She is committed to providing each patient with an exceptional level of care and attention regardless of their age. 

Dr. Cashdan graduated Cum Laude from the State University of New York at Albany with a Bachelor of Science Degree in Biology/Chemistry in 1986. She then went on to earn her Doctor of Osteopathic Medicine in 1994 from Western University of Health Sciences before completing a subsequent residency at The Glendale Adventist Medical Center Family Practice Residency Program, where she was Chief Resident in her last year. 

She is currently serving on the Board of Directors of the Osteopathic Physicians & Surgeons of California OPSC.

To schedule an appointment with Dr. Cashdan and the skilled team at Sherman Oaks Family Medicine, Inc., call the office today. 

She is a graduate of University of Southern California with a Masters of Science, Family Nurse Practitioner, and is Board Certified. She will be caring for patients for wellness and sick visits as well as implementing a nutrition program for our patients.

Jabeen Fatima, MD, is a family medicine physician at Molani Medical Group in Sherman Oaks, California.

Dr. Fatima is a concerned and attentive family physician who delivers the best medical treatments available. She's dedicated to her patients and focused on providing attentive and personalized service to each person in her care.

During her consultations, Dr. Fatima thoroughly explains your conditions and works with you to choose the most appropriate treatment plan for your unique needs. In addition to running her practice, Dr. Fatima is affiliated with Encino Hospital Medical Center.

After earning her medical degree at Dow Medical College in Pakistan, Dr. Fatima moved to the United States where she completed her residency in family medicine as chief resident at Erie County Medical Center in Buffalo, New York.

Dr. Fatima board-certified by the American Board of Family Medicine. She is a member of the American Academy of Family Practice, and is fluent in is fluent in both English and Urdu.