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Obstetrics & Gynecology in Bay City, Michigan

Data updated monthly · Last refresh September 2026

7 Obstetrics & Gynecology providers practice in Bay City. Listings are drawn from federal public records and are not endorsements.

Obstetrics & Gynecology providers in Bay City

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. Becky Lang, M.D.
Bay City, MI · $389 in drug and device payments (2025) · (989) 667-3377
Dr. Bradley Merrills, MD
Bay City, MI · $58 in drug and device payments (2025) · (989) 667-3777
Dr. Douglas Saylor, MD
Bay City, MI · No drug or device payments recorded (2025) · (989) 667-3377
Dr. Mary Durbin, MD
Bay City, MI · $658 in drug and device payments (2025) · (989) 895-9500
Dr. Sang Oh, MD
Bay City, MI · No drug or device payments recorded (2025) · (989) 892-5548
Dr. Vanessa Rondinelli, MD
Bay City, MI · $139 in drug and device payments (2025) · (917) 200-1749
Dr. William Vandenbelt, MD
Bay City, MI · No drug or device payments recorded (2025) · (989) 667-3377

Conditions Obstetrics & Gynecology providers in Bay City, Michigan 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 Bay City, Michigan?

There are 7 Obstetrics & Gynecology providers with active NPI records practicing in Bay City, according to federal NPPES data refreshed monthly.

What conditions do Obstetrics & Gynecology providers in Bay City treat?

Obstetrics & Gynecology providers in Bay City 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 Bay City Obstetrics & Gynecology across Michigan

Try a city like Tucson, a zip like 85016, or a specialty like psychiatry. For a doctor by name, use the full search.
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.