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Internal Medicine

Chad B. Sussman, MD

Sees patients in Somerville, MA · Charlestown, MA · Massachusetts

Summary

Chad B. Sussman, MD (Internal Medicine) is enrolled with Medicare at 2 practice locations in Somerville, MA and Charlestown, MA. NPI 1407558752. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Chad B. Sussman, 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
May acceptAccepts Medicare assignment
3Years since medical school (graduated 2023)
Harvard Medical SchoolMedical school
MaleGender (as listed)

Quick answers

Where does Chad B. Sussman see patients?
Medicare's clinician data lists 2 practice locations, including Somerville, MA and Charlestown, MA. Call before your visit to confirm the address.
What is Chad B. Sussman's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Chad B. Sussman accept Medicare assignment?
Medicare's clinician data says Chad B. Sussman may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
What is Chad B. Sussman's NPI number?
1407558752. 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 Chad B. Sussman is enrolled with Medicare (CMS data updated 2026-10-02).

  • 399 Revolution Dr, Suite 580Somerville, MA 02145
  • 62 13th StCharlestown, MA 02129

Specialties

Find other Internal Medicine doctors in Massachusetts →

Other internal medicine doctors in Somerville

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

All internal medicine doctors in Somerville →

Clinician information

CredentialMD
Medical schoolHarvard Medical School
Graduation year2023
Gender (as listed)Male
Medicare assignmentMay accept for some services
NPI (National Provider Identifier)1407558752
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