Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Obstetrics/Gynecology

Jacquelyn E. O'Sullivan, MD

Sees patients in Framingham, MA · Massachusetts

Summary

Jacquelyn E. O'Sullivan, MD (Obstetrics/Gynecology) is enrolled with Medicare at 2 practice locations in Framingham, MA. NPI 1619555380. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Jacquelyn E. O'Sullivan, 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
YesAccepts Medicare assignment
5Years since medical school (graduated 2021)
Tufts University School Of MedicineMedical school
FemaleGender (as listed)
VHM Services IncGroup practice

Quick answers

Where does Jacquelyn E. O'Sullivan see patients?
Medicare's clinician data lists 2 practice locations, including Framingham, MA. Call before your visit to confirm the address.
What is Jacquelyn E. O'Sullivan's specialty?
Medicare lists Obstetrics/Gynecology as the primary specialty.
Does Jacquelyn E. O'Sullivan accept Medicare assignment?
Yes. Medicare's clinician data says Jacquelyn E. O'Sullivan accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for Jacquelyn E. O'Sullivan?
(508) 383-1012, as listed in official Medicare / NPI Registry data.
What is Jacquelyn E. O'Sullivan's NPI number?
1619555380. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Jacquelyn E. O'Sullivan is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Jacquelyn E. O'Sullivan as a member of this group (CMS data updated 2026-10-02).

  • VHM Services Inc24 clinicians in the group

Specialties

Find other Obstetrics/Gynecology doctors in Massachusetts →

Other OB-GYNs in Framingham

Clinicians with the same Medicare primary specialty in Framingham, MA — not a recommendation.

All OB-GYNs in Framingham →

Clinician information

CredentialMD
Medical schoolTufts University School Of Medicine
Graduation year2021
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1619555380
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. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians