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Internal Medicine

Jon Pehrson, MD

Works at hospitals in Boston, MA · Jamaica Plain, MA · South Weymouth, MA · Massachusetts

Summary

Jon Pehrson, MD (Internal Medicine) is listed by Medicare at 4 hospitals in Boston, MA, Jamaica Plain, MA and South Weymouth, MA. NPI 1457306714. 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 Jon Pehrson, 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

Internal MedicinePrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
49Years since medical school (graduated 1977)
Georgetown University School Of MedicineMedical school
MaleGender (as listed)
Mass General Brigham Medical Group Suburban Massachusetts IncGroup practice (+1 more)

Quick answers

Which hospitals does Jon Pehrson work at?
Medicare's official clinician data lists Jon Pehrson at 4 hospitals: Beth Israel Deaconess Medical Center, Brigham and Women Faulkner Hospital, Brigham and Women's Hospital and South Shore Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Jon Pehrson see patients?
Medicare's clinician data lists 2 practice locations, including Newton, MA and South Weymouth, MA. Call before your visit to confirm the address.
What is Jon Pehrson's specialty?
Medicare lists Internal Medicine as the primary specialty, and also Endocrinology.
Does Jon Pehrson accept Medicare assignment?
Yes. Medicare's clinician data says Jon Pehrson 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 Jon Pehrson offer telehealth?
Medicare's clinician data says Jon Pehrson offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Jon Pehrson?
(617) 243-6000, as listed in official Medicare / NPI Registry data.
What is Jon Pehrson's NPI number?
1457306714. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Jon Pehrson works

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

Group practices

Medicare enrollment lists Jon Pehrson as a member of these groups (CMS data updated 2026-10-02).

  • Mass General Brigham Medical Group Suburban Massachusetts Inc602 clinicians in the group
  • Harbor Medical Associates Inc127 clinicians in the group

Specialties

Find other Internal Medicine doctors in Massachusetts →

Other internal medicine doctors in Newton

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

All internal medicine doctors in Newton →

Clinician information

CredentialMD
Medical schoolGeorgetown University School Of Medicine
Graduation year1977
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1457306714
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