Maternal-Fetal Medicine Specialists in California
Data updated monthly · Last refresh October 2026
346 Maternal & Fetal Medicine providers practice in California, including 4 (1%) offering telehealth. The largest concentration is in Los Angeles. Profiles include federal Open Payments records of money received from drug and device companies in 2025. Listings are drawn from federal public records and are not endorsements.
346providers
4telehealth
Los Angelestop city
Maternal & Fetal Medicine by city in California
Choose a city to see providers there.
Maternal & Fetal Medicine providers in California
Listed by city, largest first. Payment figures come from the federal Open Payments program, which requires drug and device companies to report what they pay physicians for consulting, speaking, meals, travel and royalties. A disclosed payment is a financial relationship, not evidence of wrongdoing, and many totals reflect a single meal. Figures cover calendar year 2025.
Dr. Hanns Haesslein, M.D.Sacramento, CA · No drug or device payments recorded (2025) ·
(916) 678-5400 Dr. Herman Hedriana, M.D.Sacramento, CA · $1,082 in drug and device payments (2025) ·
(916) 734-6900 Dr. Jacquelyn Chyu, MDSacramento, CA · No drug or device payments recorded (2025) ·
(916) 736-6470 Dr. Karishma Rai, M.D.Sacramento, CA · No drug or device payments recorded (2025) ·
(916) 862-9900 Dr. Leanna Sudhof, MDSacramento, CA · No drug or device payments recorded (2025) ·
(916) 734-6900 Dr. Marwan Ali, MD, MBASacramento, CA · $117 in drug and device payments (2025) ·
(916) 603-5600 Dr. Nancy Field, M.D.Sacramento, CA · No drug or device payments recorded (2025) ·
(916) 734-6930 Dr. Nina Boe, M.D.Sacramento, CA · No drug or device payments recorded (2025) ·
(916) 734-6219 Dr. Sherrie Mcelvy, M.D.Sacramento, CA · No drug or device payments recorded (2025) ·
(916) 862-9900 Dr. Trevor MillerSacramento, CA · No drug or device payments recorded (2025) ·
(916) 734-6219 Dr. Unzila Nayeri, MDSacramento, CA · No drug or device payments recorded (2025) ·
(916) 758-6670 Dr. Veronique Tache, M.D.Sacramento, CA · No drug or device payments recorded (2025) ·
(916) 734-6912 Dr. William Gilbert, MDSacramento, CA · $70 in drug and device payments (2025) ·
(916) 862-9900 Dr. Zahabiya Chithiwala, M.H.S, M.DSacramento, CA · No drug or device payments recorded (2025) ·
(916) 734-6978 Dr. Arin Buresch, MDSan Diego, CA · No drug or device payments recorded (2025) ·
(619) 528-2593 Dr. Chia-ling Nhan-chang, M.D.San Diego, CA · $12,583 in drug and device payments (2025) ·
(009) 268-2738 Dr. Cynthia Gyamfi Bannerman, M.D.San Diego, CA · No drug or device payments recorded (2025) ·
(800) 926-8273 Dr. David Dowling, MDSan Diego, CA · No drug or device payments recorded (2025) ·
(858) 794-7700 Dr. David Schrimmer, MDSan Diego, CA · No drug or device payments recorded (2025) ·
(619) 543-2384 Dr. Deirdre Mccullough, M.D.San Diego, CA · No drug or device payments recorded (2025) ·
(858) 966-6710 Dr. Dora Melber, MDSan Diego, CA · No drug or device payments recorded (2025) ·
(858) 966-6710 Dr. Erica Berggren, MDSan Diego, CA · No drug or device payments recorded (2025) ·
(858) 794-7700 Dr. Gary Blake, M.D.San Diego, CA · No drug or device payments recorded (2025) ·
(858) 565-8100 Dr. Gladys Ramos, M.D.San Diego, CA · No drug or device payments recorded (2025) ·
(800) 926-8273 Dr. Hilary Roeder, M.D.San Diego, CA · No drug or device payments recorded (2025) ·
(619) 528-5000 Dr. Holly Casele, MDSan Diego, CA · $188 in drug and device payments (2025) ·
(858) 939-6880 Dr. Homer Chin, M.D.San Diego, CA · No drug or device payments recorded (2025) ·
(858) 657-8745 Dr. Jasmine Lai, M.D.San Diego, CA · $213 in drug and device payments (2025) ·
(858) 626-6261 Dr. Jennifer Ahn, M.D.San Diego, CA · $519 in drug and device payments (2025) ·
(858) 794-7700 Dr. Jerasimos Ballas, M.D.San Diego, CA · No drug or device payments recorded (2025) ·
(858) 249-1205 Dr. Joanna Adamczak, M.D.San Diego, CA · No drug or device payments recorded (2025) ·
(858) 939-6880 Dr. Larry Cousins, M.D.San Diego, CA · No drug or device payments recorded (2025) ·
(858) 939-6880 Dr. Leah Lamale-smith, M.D.San Diego, CA · No drug or device payments recorded (2025) ·
(800) 926-8273 Dr. Lorraine Stanco, MDSan Diego, CA · No drug or device payments recorded (2025) ·
(858) 278-7400 Dr. Melissa Westermann, MDSan Diego, CA · $206 in drug and device payments (2025) ·
(858) 966-6710 Dr. Michael Miller, M.D.San Diego, CA · $41 in drug and device payments (2025) ·
(319) 230-6746 Dr. Michelle Nguyen, MDSan Diego, CA · No drug or device payments recorded (2025) ·
(858) 794-7700 Dr. Neha Trivedi, M.D.San Diego, CA · No drug or device payments recorded (2025) ·
(858) 939-6880 Dr. Norman Duerbeck, MDSan Diego, CA · No drug or device payments recorded (2025) ·
(858) 794-7700 Dr. Rebecca Adami, M.D.San Diego, CA · $206 in drug and device payments (2025) ·
(858) 966-6710 Dr. Rebecca Reimers, MDSan Diego, CA · $60 in drug and device payments (2025) ·
(858) 966-6710 Dr. Shahram Daneshmand, M.D.San Diego, CA · $206 in drug and device payments (2025) ·
(858) 882-8350 Dr. Stacey Schmiedecke, M.D.San Diego, CA · No drug or device payments recorded (2025) ·
(619) 532-7020 Dr. Steven Thomas, MDSan Diego, CA · No drug or device payments recorded (2025) ·
(619) 543-6600 Dr. Tevy Tith, M.D.San Diego, CA · $517 in drug and device payments (2025) ·
(858) 966-6710 Dr. Thomas Kelly, M.D.San Diego, CA · No drug or device payments recorded (2025) ·
(619) 543-7878 Dr. Tracey Deyoung, MDSan Diego, CA · No drug or device payments recorded (2025) ·
(619) 532-6400 Dr. Valerian Catanzarite, M.D., PH.D.San Diego, CA · No drug or device payments recorded (2025) ·
(858) 966-6710 Dr. Wade Schwendemann, MDSan Diego, CA · $26 in drug and device payments (2025) ·
(858) 939-6880 Dr. Adrian Hernandez Lopez, MDSan Francisco, CA · No drug or device payments recorded (2025) ·
(415) 353-2566 Common questions
How many Maternal & Fetal Medicine providers are in California?There are 346 Maternal & Fetal Medicine providers with active NPI records practicing in California, according to federal NPPES data refreshed monthly.
Do Maternal & Fetal Medicine providers in California offer telehealth?Yes. 4 of the 346 Maternal & Fetal Medicine providers in California (about 1%) report offering telehealth services in CMS data.
Which cities in California have the most Maternal & Fetal Medicine providers?Los Angeles (45), San Diego (35), San Francisco (32) have the highest concentration of Maternal & Fetal Medicine providers in California.
How many Maternal & Fetal Medicine providers in California received drug or device company payments?74 of 346 Maternal & Fetal Medicine providers in California (21%) received at least one payment from a drug or device company in 2025, according to the federal Open Payments program.
Where does this data come from?Provider counts and profiles come from the federal NPPES registry and CMS Doctors and Clinicians files. Payment figures come from the CMS Open Payments program for calendar year 2025. The directory refreshes monthly.
Do most Maternal-Fetal Medicine Specialists in California work in independent practices or large health systems?Among 162 Maternal-Fetal Medicine Specialists in California enrolled in Medicare, 14% bill through a solo or small practice with fewer than 10 clinicians, 20% through a mid-size group of 10 to 99, and 65% through a large group or health system with 100 or more clinicians, according to CMS enrollment records.
Which hospitals do Maternal-Fetal Medicine Specialists in California work at?According to CMS facility affiliation records, the California hospitals where the most Maternal-Fetal Medicine Specialists hold privileges are University of California Davis Medical Center in Sacramento; UC San Diego Health Hillcrest - Hillcrest Med Ctr in San Diego; UCSF Medical Center in San Francisco.
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