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Obstetrics & Gynecology, Gynecology

GREENFIELD OB-GYN ASSOCIATES, PC

Identity confirmed via CMS NPPES · September 30, 2026 · A directory match is not a coverage approval.

Is this your practice? This listing was imported from public provider identity data (CMS NPPES) and has not yet been claimed. Claim this listing to confirm the practice details. Plan acceptance stays unpublished until the practice reports it.

Public record

NPI 1306915285 · enumerated 2006-11-07 · record updated 2008-10-21. Source: CMS NPPES. A listing is not a TRICARE network approval.

Authorized official: WILLIAM CALLAHAN MD, OWNER · (413) 773-5481

Addresses and phones

Specialties

  • Obstetrics & Gynecology, Gynecology 207VG0400X · Primary · License 28664 MA

In this directory

Locations and evidence

  • Practice location GREENFIELD, MA, 013012909
    Accepting new patientsNot reportedCMS NPPES · September 30, 2026

Plan acceptance

  • No published plan acceptance yet. Confirm directly with the practice, or claim this listing if it's yours.