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Internal Medicine

Michael Nathan, MD

Sees patients in Boston, MA · Massachusetts

Summary

Michael Nathan, MD (Internal Medicine) is enrolled with Medicare at 1 practice location in Boston, MA. NPI 1821070160. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Michael Nathan, 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
30Years since medical school (graduated 1996)
Rush Medical College Of Rush UniversityMedical school
MaleGender (as listed)
Massachusetts General Physicians Organization IncGroup practice

Quick answers

Where does Michael Nathan see patients?
Medicare's clinician data lists 1 practice location in Boston, MA. Call before your visit to confirm the address.
What is Michael Nathan's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Michael Nathan accept Medicare assignment?
Yes. Medicare's clinician data says Michael Nathan 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 Michael Nathan offer telehealth?
Medicare's clinician data says Michael Nathan offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Michael Nathan?
(617) 724-0287, as listed in official Medicare / NPI Registry data.
What is Michael Nathan's NPI number?
1821070160. 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 Michael Nathan is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Michael Nathan as a member of this group (CMS data updated 2026-10-02).

  • Massachusetts General Physicians Organization Inc3,558 clinicians in the group

Specialties

Find other Internal Medicine doctors in Massachusetts →

Other internal medicine doctors in Boston

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

All internal medicine doctors in Boston →

Clinician information

CredentialMD
Medical schoolRush Medical College Of Rush University
Graduation year1996
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1821070160
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 2026-10-02, retrieved 2026-10-29
  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