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Obstetrics/Gynecology

William B. Clark, MD

Works at hospitals in Albany, NY · Schenectady, NY · Troy, NY · New York

Summary

William B. Clark, MD (Obstetrics/Gynecology) is listed by Medicare at 4 hospitals in Albany, NY, Schenectady, NY and Troy, NY. NPI 1235202599. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about William B. Clark, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Obstetrics/GynecologyPrimary specialty
May acceptAccepts Medicare assignment
55Years since medical school (graduated 1971)
MaleGender (as listed)
W Bruce Clark MD PCGroup practice

Quick answers

Which hospitals does William B. Clark work at?
Medicare's official clinician data lists William B. Clark at 4 hospitals: Albany Medical Center Hospital, Ellis Hospital, Samaritan Hospital of Troy, New York and St Peter's Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does William B. Clark see patients?
Medicare's clinician data lists 1 practice location in Latham, NY. Call before your visit to confirm the address.
What is William B. Clark's specialty?
Medicare lists Obstetrics/Gynecology as the primary specialty.
Does William B. Clark accept Medicare assignment?
Medicare's clinician data says William B. Clark may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
What is the phone number for William B. Clark?
(518) 783-1472, as listed in official Medicare / NPI Registry data.
What is William B. Clark's NPI number?
1235202599. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where William B. Clark works

Medicare's Facility Affiliation Data lists William B. Clark at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where William B. Clark is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists William B. Clark as a member of this group (CMS data updated 2026-10-02).

  • W Bruce Clark MD PC5 clinicians in the group

Specialties

Find other Obstetrics/Gynecology doctors in New York →

Other OB-GYNs in Latham

Clinicians with the same Medicare primary specialty in Latham, NY — not a recommendation.

All OB-GYNs in Latham →

Clinician information

CredentialMD
Graduation year1971
Gender (as listed)Male
Medicare assignmentMay accept for some services
NPI (National Provider Identifier)1235202599
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians