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Internal Medicine

Mark Zibelman, MD

Works at hospitals in Philadelphia, PA · Pennsylvania

Summary

Mark Zibelman, MD (Internal Medicine) is listed by Medicare at 1 hospital in Philadelphia, PA. NPI 1205934890. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Mark Zibelman, 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
53Years since medical school (graduated 1973)
Hahnemann University College Of MedicineMedical school
MaleGender (as listed)
Jefferson University PhysiciansGroup practice (+1 more)

Quick answers

Which hospitals does Mark Zibelman work at?
Medicare's official clinician data lists Mark Zibelman at 1 hospital: Thomas Jefferson University Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Mark Zibelman see patients?
Medicare's clinician data lists 4 practice locations, including Philadelphia, PA. Call before your visit to confirm the address.
What is Mark Zibelman's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Mark Zibelman accept Medicare assignment?
Yes. Medicare's clinician data says Mark Zibelman 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 Mark Zibelman offer telehealth?
Medicare's clinician data says Mark Zibelman offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Mark Zibelman?
(215) 468-2553, as listed in official Medicare / NPI Registry data.
What is Mark Zibelman's NPI number?
1205934890. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Mark Zibelman works

Medicare's Facility Affiliation Data lists Mark Zibelman at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Mark Zibelman is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Mark Zibelman as a member of these groups (CMS data updated 2026-10-02).

  • Jefferson University Physicians1,531 clinicians in the group
  • Methodist Associates in Healthcare, Inc390 clinicians in the group

Specialties

Find other Internal Medicine doctors in Pennsylvania →

Other internal medicine doctors in Philadelphia

Clinicians with the same Medicare primary specialty in Philadelphia, PA — not a recommendation.

All internal medicine doctors in Philadelphia →

Clinician information

CredentialMD
Medical schoolHahnemann University College Of Medicine
Graduation year1973
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1205934890
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. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians