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Internal Medicine

Mark Tsinker, MD

Sees patients in Brooklyn, NY · New York

Summary

Mark Tsinker, MD (Internal Medicine) is enrolled with Medicare at 1 practice location in Brooklyn, NY. NPI 1467423012. 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 Tsinker, 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
51Years since medical school (graduated 1975)
MaleGender (as listed)

Quick answers

Where does Mark Tsinker see patients?
Medicare's clinician data lists 1 practice location in Brooklyn, NY. Call before your visit to confirm the address.
What is Mark Tsinker's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Mark Tsinker accept Medicare assignment?
Yes. Medicare's clinician data says Mark Tsinker 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 Tsinker?
(718) 234-0009, as listed in official Medicare / NPI Registry data.
What is Mark Tsinker's NPI number?
1467423012. 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 Tsinker is enrolled with Medicare (CMS data updated 2026-10-02).

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
Graduation year1975
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1467423012
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