NPPES file of Aug 9, 2026

Peter Michael Mowschenson, MD

Surgery Physician · Brookline, MA

Peter Michael Mowschenson, MD is a surgery physician with a practice address in Brookline, Massachusetts, and NPI 1871671040, issued on Nov 2, 2006. Check the license (Massachusetts 39121, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1871671040
Name
Peter Michael Mowschenson
Credential
MD
Primary taxonomy
Surgery Physician 208600000X
License number
39121 MA
Self-reported in NPPES; status is on the state search
Practice location
1180 Beacon St, Brookline, MA 02446
Phone
(617) 735-8868
Enumerated
Nov 2, 2006
Record last updated
Jul 27, 2010 (not updated in 16 years: call before relying on the address or phone)
Fax
(617) 730-9845
Medicaid ID
2040921 MA
Medicare enrollment
Enrolled (PECOS I20100908000377); accepts Medicare assignment
Medical or professional school
Harvard Medical School, 1973
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 1180 Beacon St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Jeffrey Abraham, PTPhysical Therapist1053419838
  2. Tamra Adams, PA-CPhysician Assistant1275218448
  3. Mariam Adili Skinner, PTPhysical Therapist1598864696
  4. Derick Anderson, PHARMDPharmacist1093893984
  5. Leah Bass, LICSWClinical Social Worker1346339520
  6. Tammy Binder, M.D.Psychiatry Physician1336201607

Verify Peter Michael Mowschenson in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
    Search for license 39121
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Massachusetts license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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64% fewer Medicare Part D claims than the average surgery physician in 2024

53 Medicare Part D claims for 14 beneficiaries, against an average of 147 among the 20,115 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Peter Mowschenson53
  2. Specialty average147

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Peter Michael Mowschenson among 1,003 surgery physician records in Massachusetts

Peter Michael Mowschenson, MD is one of 1,003 surgery physician records with a practice address in Massachusetts. 66% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 13% of them.

  • NPI issued2006 · 13% of these records are older, 58% newer
  • In a Medicare fileYes · 66% of these records are
  • In the CMS Doctors and Clinicians fileYes · 50% of these records are
  • Graduated1973 · median 2003 among the 503 with a school on file
  • Record last updated2010 · 60% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208600000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Surgery Physician providers in Massachusetts

There are 1,003 surgery physician records in Massachusetts.

The 8 surgery physician records with the nearest ZIP codes

  1. Dana Fugelso, M.D.Brookline, MA 024461518925585
  2. Haytham Kaafarani, M.D., M.P.H.Brookline, MA 024461750570784
  3. Charles Siegert, M.D.Brookline, MA 024461811163207
  4. Kelley Zwicker, MSC, MD, FRCPCBrookline, MA 024461023358835
  5. Mamuka GventsadzeBrookline, MA 024451841003589
  6. Christeen Osborn, M.D.Brookline, MA 024451174787659
  7. Carly Rose, PA-CBrookline, MA 024451194204701
  8. Ahmed Sadek, MDBrookline, MA 024451588224232

Common questions

What is Peter Michael Mowschenson, MD's NPI number?

Peter Michael Mowschenson, MD's National Provider Identifier (NPI) is 1871671040, issued on Nov 2, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Peter Michael Mowschenson, MD located?

The NPPES record lists a practice address at 1180 Beacon St, Brookline, MA, 02446. Phone: (617) 735-8868. Providers update this record themselves, so call before visiting.

How can I verify Peter Michael Mowschenson, MD's license?

NPPES lists Massachusetts license number 39121, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://findmydoctor.mass.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Peter Michael Mowschenson, MD prescribe under Medicare Part D?

In 2024, Peter Michael Mowschenson, MD had 53 Medicare Part D claims for 14 beneficiaries; the average among surgery physician prescribers was 147. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.