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Internal Medicine

Mark C. Joseph, MD

Sees patients in Brooklyn, NY · New York

Summary

Mark C. Joseph, MD (Internal Medicine) is enrolled with Medicare at 1 practice location in Brooklyn, NY. NPI 1053479816. 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 Mark C. Joseph, 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
36Years since medical school (graduated 1990)
Georgetown University School Of MedicineMedical school
MaleGender (as listed)
JSJ Medical Group PCGroup practice

Quick answers

Where does Mark C. Joseph see patients?
Medicare's clinician data lists 1 practice location in Brooklyn, NY. Call before your visit to confirm the address.
What is Mark C. Joseph's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Mark C. Joseph accept Medicare assignment?
Yes. Medicare's clinician data says Mark C. Joseph 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.
What is the phone number for Mark C. Joseph?
(718) 927-0027, as listed in official Medicare / NPI Registry data.
What is Mark C. Joseph's NPI number?
1053479816. 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 Mark C. Joseph is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Mark C. Joseph as a member of this group (CMS data updated 2026-10-02).

  • JSJ Medical Group PC2 clinicians in the group

Specialties

Find other Internal Medicine doctors in New York →

Other internal medicine doctors in Brooklyn

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

All internal medicine doctors in Brooklyn →

Clinician information

CredentialMD
Medical schoolGeorgetown University School Of Medicine
Graduation year1990
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1053479816
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