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General Surgery

Peter M. Mowschenson, MD

Works at hospitals in Boston, MA · Massachusetts

Summary

Peter M. Mowschenson, MD (General Surgery) is listed by Medicare at 1 hospital in Boston, MA. NPI 1871671040. 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 Peter M. Mowschenson, 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
YesOffers telehealth
53Years since medical school (graduated 1973)
Harvard Medical SchoolMedical school
MaleGender (as listed)

Quick answers

Which hospitals does Peter M. Mowschenson work at?
Medicare's official clinician data lists Peter M. Mowschenson at 1 hospital: Beth Israel Deaconess Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Peter M. Mowschenson see patients?
Medicare's clinician data lists 1 practice location in Brookline, MA. Call before your visit to confirm the address.
What is Peter M. Mowschenson's specialty?
Medicare lists General Surgery as the primary specialty.
Does Peter M. Mowschenson accept Medicare assignment?
Yes. Medicare's clinician data says Peter M. Mowschenson 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.
Does Peter M. Mowschenson offer telehealth?
Medicare's clinician data says Peter M. Mowschenson offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Peter M. Mowschenson?
(617) 735-8868, as listed in official Medicare / NPI Registry data.
What is Peter M. Mowschenson's NPI number?
1871671040. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Peter M. Mowschenson works

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

Specialties

Find other General Surgery doctors in Massachusetts →

Other general surgeons in Massachusetts

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

All general surgeons in Massachusetts →

Clinician information

CredentialMD
Medical schoolHarvard Medical School
Graduation year1973
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1871671040
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