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

General Surgery

Theodore J. Patsos, MD

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

Summary

Theodore J. Patsos, MD (General Surgery) is listed by Medicare at 3 hospitals in Marlborough, MA, Milford, MA and Worcester, MA. NPI 1013024637. 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 Theodore J. Patsos, 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

General SurgeryPrimary specialty
YesAccepts Medicare assignment
45Years since medical school (graduated 1981)
Columbia University College Of Physicians And SurgeonsMedical school
MaleGender (as listed)
UMass Memorial Medical Group IncGroup practice

Quick answers

Which hospitals does Theodore J. Patsos work at?
Medicare's official clinician data lists Theodore J. Patsos at 3 hospitals: Marlborough Hospital, Milford Regional Medical Center and UMass Memorial Medical Center/University Campus. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Theodore J. Patsos see patients?
Medicare's clinician data lists 5 practice locations, including Milford, MA, Marlborough, MA and Worcester, MA. Call before your visit to confirm the address.
What is Theodore J. Patsos's specialty?
Medicare lists General Surgery as the primary specialty.
Does Theodore J. Patsos accept Medicare assignment?
Yes. Medicare's clinician data says Theodore J. Patsos 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 Theodore J. Patsos?
(508) 473-1190, as listed in official Medicare / NPI Registry data.
What is Theodore J. Patsos's NPI number?
1013024637. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Theodore J. Patsos works

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

Group practices

Medicare enrollment lists Theodore J. Patsos 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 General Surgery doctors in Massachusetts →

Other general surgeons in Milford

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

All general surgeons in Milford →

Clinician information

CredentialMD
Medical schoolColumbia University College Of Physicians And Surgeons
Graduation year1981
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1013024637
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