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Internal Medicine

Mary Gulla, MD

Works at hospitals in Milford, MA · Worcester, MA · Southbridge, MA · Massachusetts

Summary

Mary Gulla, MD (Internal Medicine) is listed by Medicare at 4 hospitals in Milford, MA, Worcester, MA and Southbridge, MA. NPI 1902869571. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Mary Gulla, 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

Internal MedicinePrimary specialty
YesAccepts Medicare assignment
41Years since medical school (graduated 1985)
FemaleGender (as listed)
UMass Memorial Medical Group IncGroup practice

Quick answers

Which hospitals does Mary Gulla work at?
Medicare's official clinician data lists Mary Gulla at 4 hospitals: Milford Regional Medical Center, St Vincent Hospital, UMass Memorial Health - Harrington Hospital and UMass Memorial Medical Center/University Campus. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Mary Gulla see patients?
Medicare's clinician data lists 3 practice locations, including Sutton, MA, Sterling, MA and Worcester, MA. Call before your visit to confirm the address.
What is Mary Gulla's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Mary Gulla accept Medicare assignment?
Yes. Medicare's clinician data says Mary Gulla 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 Mary Gulla?
(508) 865-3650, as listed in official Medicare / NPI Registry data.
What is Mary Gulla's NPI number?
1902869571. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Mary Gulla works

Medicare's Facility Affiliation Data lists Mary Gulla 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 Mary Gulla is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Mary Gulla as a member of this group (CMS data updated 2026-10-02).

  • UMass Memorial Medical Group Inc2,516 clinicians in the group

Specialties

Find other Internal Medicine doctors in Massachusetts →

Other internal medicine doctors in Massachusetts

Clinicians with the same Medicare primary specialty in Massachusetts — not a recommendation.

All internal medicine doctors in Massachusetts →

Clinician information

CredentialMD
Graduation year1985
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1902869571
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