HealthcareDiscovery.AI / Doctors / California / Walnut Creek / Obstetrics & Gynecology

Obstetrics & Gynecology in Walnut Creek, California

Data updated monthly · Last refresh September 2026

56 Obstetrics & Gynecology providers practice in Walnut Creek, and 41% received drug or device company payments in 2025. Listings are drawn from federal public records and are not endorsements.

Obstetrics & Gynecology providers in Walnut Creek

Listed alphabetically. 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. Alan Kaplan, M.D.
Walnut Creek, CA · No drug or device payments recorded (2025) · (925) 932-1333
Dr. Anh Do, MD
Walnut Creek, CA · $31 in drug and device payments (2025) · (925) 627-3440
Dr. April Tritto, M.D.
Walnut Creek, CA · No drug or device payments recorded (2025) · (925) 295-7278
Dr. Brian Kellert, D.O.
Walnut Creek, CA · No drug or device payments recorded (2025) · (925) 891-9033
Dr. Christine Riley, M.D.
Walnut Creek, CA · No drug or device payments recorded (2025) · (925) 932-0390
Dr. Dale Tucker, MD
Walnut Creek, CA · No drug or device payments recorded (2025) · (925) 295-4000
Dr. David Niver, MD
Walnut Creek, CA · No drug or device payments recorded (2025) · (925) 295-4000
Dr. Derek Abbassi, MD
Walnut Creek, CA · No drug or device payments recorded (2025) · (925) 295-4000
Dr. Donna Di Cenzo, MD
Walnut Creek, CA · No drug or device payments recorded (2025) · (925) 295-4000
Dr. Elaine Carlitz, MD
Walnut Creek, CA · No drug or device payments recorded (2025) · (925) 295-4000
Dr. Emily Cronbach, MD
Walnut Creek, CA · No drug or device payments recorded (2025) · (925) 906-2000
Dr. Emma Judin
Walnut Creek, CA · $176 in drug and device payments (2025) · (925) 239-0012
Dr. Francis Wright, MD
Walnut Creek, CA · No drug or device payments recorded (2025) · (925) 295-4000
Dr. Gerald Katz, M.D.
Walnut Creek, CA · $626 in drug and device payments (2025) · (925) 933-4747
Dr. Heidi Chang, MD
Walnut Creek, CA · $1,237 in drug and device payments (2025) · Telehealth · (925) 393-0033
Dr. Janette Walker, MD
Walnut Creek, CA · $142 in drug and device payments (2025) · Telehealth · (925) 945-6600
Dr. Janine Senior, MD
Walnut Creek, CA · $783 in drug and device payments (2025) · (925) 239-0012
Dr. Jean Kayser, MD
Walnut Creek, CA · No drug or device payments recorded (2025) · (925) 295-4000
Dr. Jessica Johns, M.D.
Walnut Creek, CA · No drug or device payments recorded (2025) · (925) 254-9840
Dr. Johanne Poulin, MD
Walnut Creek, CA · No drug or device payments recorded (2025) · (781) 331-1999
Dr. Joseph Rose, MD
Walnut Creek, CA · $852 in drug and device payments (2025) · (925) 239-0012
Dr. Larry Dotson, MD
Walnut Creek, CA · No drug or device payments recorded (2025) · (925) 906-2000
Dr. Lauren Sobel, DO, MPH
Walnut Creek, CA · No drug or device payments recorded (2025) · (925) 295-4070
Dr. Lillian Lanka, MD
Walnut Creek, CA · No drug or device payments recorded (2025) · (925) 287-1750
Dr. Luman Hughes, M.D.
Walnut Creek, CA · $363 in drug and device payments (2025) · (925) 933-4747
Dr. Madhavi Vemulapalli, MD
Walnut Creek, CA · $720 in drug and device payments (2025) · (925) 239-0012
Dr. Mark Patterson, MD
Walnut Creek, CA · No drug or device payments recorded (2025) · (925) 954-8960
Dr. Megan Jarvis Lavin, MD
Walnut Creek, CA · No drug or device payments recorded (2025) · (925) 469-2239
Dr. Mehrnoosh Almassi, MD
Walnut Creek, CA · $187 in drug and device payments (2025) · (925) 356-8990
Dr. Michael Jordan, MD
Walnut Creek, CA · No drug or device payments recorded (2025) · (925) 906-2000
Dr. Mindy Plotkin, MD
Walnut Creek, CA · $505 in drug and device payments (2025) · (925) 933-4747
Dr. Mona Orady, M.D.
Walnut Creek, CA · $12,830 in drug and device payments (2025) · (415) 500-8133
Dr. Nadine Hanna, M.D.
Walnut Creek, CA · $682 in drug and device payments (2025) · (925) 933-4747
Dr. Nicole Yee, M.D.
Walnut Creek, CA · $167 in drug and device payments (2025) · Telehealth · (925) 945-6600
Dr. Phuong-anh Bui, MD
Walnut Creek, CA · $132 in drug and device payments (2025) · (925) 295-4000
Dr. Richard Kaplan, M.D.
Walnut Creek, CA · No drug or device payments recorded (2025) · (925) 352-4676
Dr. Robert Cole, MD
Walnut Creek, CA · $30 in drug and device payments (2025) · (925) 935-6952
Dr. Robert Hubbell, MD
Walnut Creek, CA · No drug or device payments recorded (2025) · (925) 933-0664
Dr. Robert Mayo, MD
Walnut Creek, CA · No drug or device payments recorded (2025) · (925) 930-7740
Dr. Rosemary Delgado
Walnut Creek, CA · No drug or device payments recorded (2025) · (925) 937-9345
Dr. Rusna Jhita, MD
Walnut Creek, CA · $695 in drug and device payments (2025) · (925) 239-0012
Dr. Sara Mark, MD
Walnut Creek, CA · No drug or device payments recorded (2025) · (925) 295-4000
Dr. Sara Won, MD
Walnut Creek, CA · No drug or device payments recorded (2025) · (925) 295-4040
Dr. Sari Kasper, D.O.
Walnut Creek, CA · $84 in drug and device payments (2025) · (925) 945-6600
Dr. Serena Lin
Walnut Creek, CA · No drug or device payments recorded (2025) · (925) 295-4040
Dr. Shani Lerner, MD
Walnut Creek, CA · No drug or device payments recorded (2025) · (925) 906-2000
Dr. Shannon Sullivan-cramer, M.D.
Walnut Creek, CA · $8,547 in drug and device payments (2025) · Telehealth · (925) 945-6600
Dr. Sruthi Sakamuri, MD
Walnut Creek, CA · $3,425 in drug and device payments (2025) · (925) 945-6600
Dr. Stephen Weinstein, MD
Walnut Creek, CA · No drug or device payments recorded (2025) · (925) 932-2565
Dr. Stephen Wells, MD
Walnut Creek, CA · $713 in drug and device payments (2025) · (925) 935-5356

Conditions Obstetrics & Gynecology providers in Walnut Creek, California commonly treat

Patients often search by condition rather than specialty. These are conditions typically managed by Obstetrics & Gynecology providers. Individual practices vary, so confirm with the provider before booking.

Common questions

How many Obstetrics & Gynecology providers are in Walnut Creek, California?

There are 56 Obstetrics & Gynecology providers with active NPI records practicing in Walnut Creek, according to federal NPPES data refreshed monthly.

How many Obstetrics & Gynecology providers in Walnut Creek received drug or device company payments?

23 of 56 (41%) received at least one payment from a drug or device company in 2025, according to the federal Open Payments program.

What conditions do Obstetrics & Gynecology providers in Walnut Creek treat?

Obstetrics & Gynecology providers in Walnut Creek commonly treat pregnancy care, endometriosis, fibroids, PCOS, menopause and related conditions. Individual practices vary, so confirm with the provider before booking.

Where does this data come from?

Provider records 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.

All specialties in Walnut Creek Obstetrics & Gynecology across California

Sources: NPPES (CMS), Doctors and Clinicians national files, CMS Open Payments 2025. Updated monthly. Records are public federal data and are not verified credentials, licensure checks, or endorsements. This directory is informational and not medical advice. How we build this directory.