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Orthopedic Surgery

Byron V. Hartunian, MD

Sees patients in Cambridge, MA · Massachusetts

Summary

Dr. Byron V. Hartunian, MD is an orthopedic surgeon at 777 Concord Ave, Cambridge, MA 02138. Phone: (617) 864-5700. Accepts Medicare assignment. NPI 1700986122. Source: CMS National Downloadable File, updated October 2, 2026.

  • Specialty: Orthopedic surgeon (Medicare lists Orthopedic Surgery)
  • Address: 777 Concord Ave, Cambridge, MA 02138 · Directions (1 more location)
  • Phone: (617) 864‑5700
  • Medicare: Accepts Medicare assignment
  • Medical school: Tufts University School Of Medicine · graduated 1975 (51 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Byron V. Hartunian, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Byron V. Hartunian accept Medicare assignment?
Yes. Medicare's clinician data says Byron V. Hartunian accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
What is Byron V. Hartunian's NPI number?
1700986122. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Byron V. Hartunian is enrolled with Medicare (CMS data updated October 2, 2026).

Specialties

Find other Orthopedic Surgery doctors in Massachusetts →

Other orthopedic surgeons in Cambridge

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

All orthopedic surgeons in Cambridge →

Clinician information

CredentialMD
Medical schoolTufts University School Of Medicine
Graduation year1975 (51 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1700986122
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. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians