Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Internal Medicine

Matthew D. Simson, MD

Sees patients in Syracuse, NY · New York

Summary

Matthew D. Simson, MD (Internal Medicine) is enrolled with Medicare at 1 practice location in Syracuse, NY. NPI 1245812403. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Matthew D. Simson, 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
5Years since medical school (graduated 2021)
MaleGender (as listed)

Quick answers

Where does Matthew D. Simson see patients?
Medicare's clinician data lists 1 practice location in Syracuse, NY. Call before your visit to confirm the address.
What is Matthew D. Simson's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Matthew D. Simson accept Medicare assignment?
Medicare's clinician data says Matthew D. Simson may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
What is Matthew D. Simson's NPI number?
1245812403. 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 Matthew D. Simson is enrolled with Medicare (CMS data updated 2026-10-02).

Specialties

Find other Internal Medicine doctors in New York →

Other internal medicine doctors in Syracuse

Clinicians with the same Medicare primary specialty in Syracuse, NY — not a recommendation.

All internal medicine doctors in Syracuse →

Clinician information

CredentialMD
Graduation year2021
Gender (as listed)Male
Medicare assignmentMay accept for some services
NPI (National Provider Identifier)1245812403
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