Mark Zibelman, MD
Internal Medicine Physician · Philadelphia, PA
Mark Zibelman, MD is an internal medicine physician with a practice address in Philadelphia, Pennsylvania, and NPI 1205934890, issued on Sep 20, 2006. Check the license (Pennsylvania MD015925E, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Mark Zibelman
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- MD015925E PA
Self-reported in NPPES; status is on the state search - Practice location
- 1818 E Passyunk Ave, Philadelphia, PA 19148
- Phone
- (215) 468-2553
- Enumerated
- Sep 20, 2006
- Record last updated
- Sep 4, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (215) 468-1096
- Medicaid ID
- 000655665 PA
- Medicare enrollment
- Enrolled (PECOS I20110330000085); accepts Medicare assignment
- Medical or professional school
- Hahnemann University College Of Medicine, 1973
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 7,300 in Pennsylvania → Look up another NPI →
Also registered at 1818 E Passyunk Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Joseph Badolato, D.O.Family Medicine Physician1235298662
- Helen Evers-Hunt, ANP-BCAdult Health Nurse Practitioner1518389410
Verify Mark Zibelman in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD015925ECheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
53% fewer Medicare Part D claims than the average internal medicine physician in 2024
1,504 Medicare Part D claims for 264 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims.
Most prescribed
- Atorvastatin Calcium110 claims
- Rosuvastatin Calcium95 claims
- Levothyroxine Sodium79 claims
- Metformin Hcl60 claims
- Amlodipine Besylate57 claims
- Hydrochlorothiazide38 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $76.40
5 payments; by number, the most common kind was food and beverage; the largest payer was GlaxoSmithKline, LLC. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Jefferson University PhysiciansPhiladelphia, PA
- Methodist Associates IN Healthcare, IncPhiladelphia, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mark Zibelman among 7,300 internal medicine physician records in Pennsylvania
Mark Zibelman, MD is one of 7,300 internal medicine physician records with a practice address in Pennsylvania. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 9% of them.
- NPI issued2006 · 9% of these records are older, 64% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated1973 · median 2008 among the 4,208 with a school on file
- Record last updated2019 · 56% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1,855 internal medicine physician records list a practice address in Philadelphia
They are 1,855 of the 42,849 NPPES records with a practice address in Philadelphia, and 7,300 internal medicine physician records in Pennsylvania.
All 7,300 in Pennsylvania → Every provider in Philadelphia → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Waheeda Ali, M.D.Philadelphia, PA 191481306829783
- Karl Benedict, M.D.Philadelphia, PA 191481215955448
- Jennifer Cowan, M.D.Philadelphia, PA 191481801867361
- Robert Fortino, D.O.Philadelphia, PA 191481104939578
- Mark Graham, M.D.Philadelphia, PA 191481245258482
- Joseph Mangel, D.O.Philadelphia, PA 191481093759409
- Jeffrey Maron, DOPhiladelphia, PA 191481295775963
- Andrew Miller, M.D.Philadelphia, PA 191481366458549
Common questions
What is Mark Zibelman, MD's NPI number?
Mark Zibelman, MD's National Provider Identifier (NPI) is 1205934890, issued on Sep 20, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mark Zibelman, MD located?
The NPPES record lists a practice address at 1818 E Passyunk Ave, Philadelphia, PA, 19148. Phone: (215) 468-2553. Providers update this record themselves, so call before visiting.
How can I verify Mark Zibelman, MD's license?
NPPES lists Pennsylvania license number MD015925E, as entered by the provider. Search the Pennsylvania Department of State (PALS) at https://www.pals.pa.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Mark Zibelman, MD prescribe under Medicare Part D?
In 2024, Mark Zibelman, MD had 1,504 Medicare Part D claims for 264 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.