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Maternal & Fetal Medicine in Walnut Creek, California

Data updated monthly · Last refresh September 2026

5 Maternal & Fetal Medicine providers practice in Walnut Creek. Listings are drawn from federal public records and are not endorsements.

Maternal & Fetal Medicine 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. Jeffrey Maier, MD
Walnut Creek, CA · No drug or device payments recorded (2025) · (925) 295-4000
Dr. Jeffrey Traynor, M.D.
Walnut Creek, CA · No drug or device payments recorded (2025) · (925) 891-9033
Dr. Justin Collingham, M.D.
Walnut Creek, CA · No drug or device payments recorded (2025) · (925) 937-5214
Dr. Rosa Won, M.D.
Walnut Creek, CA · No drug or device payments recorded (2025) · (925) 941-7955
Dr. Vanitha Mohta, MD
Walnut Creek, CA · No drug or device payments recorded (2025) · (925) 295-5099

Common questions

How many Maternal & Fetal Medicine providers are in Walnut Creek, California?

There are 5 Maternal & Fetal Medicine providers with active NPI records practicing in Walnut Creek, according to federal NPPES data refreshed monthly.

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 Maternal & Fetal Medicine 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.