NPPES file of Aug 9, 2026

Clayton Ross Peterson, MD

Surgery Physician · Boston, MA

Clayton Ross Peterson, MD is a surgery physician with a practice address in Boston, Massachusetts, and NPI 1750528477, issued on Jan 16, 2009. Check the license (Massachusetts 232158, 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
1750528477
Name
Clayton Ross Peterson
Credential
MD
Primary taxonomy
Surgery Physician 208600000X
License number
232158 MA
Self-reported in NPPES; status is on the state search
Practice location
330 Brookline Ave, Boston, MA 02215
Phone
(617) 667-7000
Enumerated
Jan 16, 2009
Record last updated
Jan 16, 2009 (not updated in 17 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20151223001136); accepts Medicare assignment
Medical or professional school
Columbia University College Of Physicians And Surgeons, 2007
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 330 Brookline Ave

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

  1. Amtul Aala, MDNephrology Physician1174946347
  2. Elijah AbassStudent in an Organized Health Care Education/Training Program1306784947
  3. Omar Abdel-Razek, MDInterventional Cardiology Physician1912780008
  4. Youssef Abdullah, MD, MBAStudent in an Organized Health Care Education/Training Program1346983442
  5. Najma Abdullahi, MD, MPHStudent in an Organized Health Care Education/Training Program1669213054
  6. Elisabeth AbelesStudent in an Organized Health Care Education/Training Program1528659760

Verify Clayton Ross Peterson 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 232158
    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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86% fewer Medicare Part D claims than the average surgery physician in 2024

21 Medicare Part D claims for 12 beneficiaries, against an average of 147 among the 20,115 providers of this specialty who prescribed in Part D.

  1. Clayton Peterson21
  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.

Bills Medicare through one group practice

  1. Berkshire Faculty Services IncPittsfield, MA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Clayton Ross Peterson among 1,003 surgery physician records in Massachusetts

Clayton Ross Peterson, 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 2009, is newer than 54% of them.

  • NPI issued2009 · 54% of these records are older, 43% newer
  • In a Medicare fileYes · 66% of these records are
  • In the CMS Doctors and Clinicians fileYes · 50% of these records are
  • Graduated2007 · median 2003 among the 503 with a school on file
  • Record last updated2009 · 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).

443 surgery physician records list a practice address in Boston

They are 443 of the 41,865 NPPES records with a practice address in Boston, and 1,003 surgery physician records in Massachusetts.

The 8 surgery physician records with the nearest ZIP codes

  1. Christopher Boyd, M.D.Boston, MA 022151760422299
  2. Michael Cahalane, M.D.Boston, MA 022151073553731
  3. Charles Cook, MDBoston, MA 022151588616148
  4. Claire Cronin, M.D.Boston, MA 022151720084833
  5. Devin Eckhoff, MDBoston, MA 022151033152160
  6. Amy Evenson, MDBoston, MA 022151184601197
  7. Per-Olof Hasselgren, M.D.Boston, MA 022151700833035
  8. Mary Jane Houlihan, M.D.Boston, MA 022151093755738

Common questions

What is Clayton Ross Peterson, MD's NPI number?

Clayton Ross Peterson, MD's National Provider Identifier (NPI) is 1750528477, issued on Jan 16, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Clayton Ross Peterson, MD located?

The NPPES record lists a practice address at 330 Brookline Ave, Boston, MA, 02215. Phone: (617) 667-7000. Providers update this record themselves, so call before visiting.

How can I verify Clayton Ross Peterson, MD's license?

NPPES lists Massachusetts license number 232158, 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 Clayton Ross Peterson, MD prescribe under Medicare Part D?

In 2024, Clayton Ross Peterson, MD had 21 Medicare Part D claims for 12 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.