Marc A. Zitin, M.D.
Gastroenterology Physician · Wynnewood, PA
Marc A. Zitin, M.D. is a gastroenterology physician with a practice address in Wynnewood, Pennsylvania, and NPI 1548237423, issued on Mar 1, 2006. Check the license (Pennsylvania MD038071E, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Marc A. Zitin
- Credential
- M.D.
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- MD038071E PA
Self-reported in NPPES; status is on the state search - Practice location
- 100 E Lancaster Ave, Wynnewood, PA 19096
- Phone
- (610) 896-7360
- Enumerated
- Mar 1, 2006
- Record last updated
- Nov 2, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (610) 896-5207
- Medicaid ID
- 121910 PA
- Medicare enrollment
- Enrolled (PECOS I20100423000324); accepts Medicare assignment
- Medical or professional school
- Hahnemann University College Of Medicine, 1985
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 1,049 in Pennsylvania → Look up another NPI →
Also registered at 100 E Lancaster Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Nicholas Abate, DOStudent in an Organized Health Care Education/Training Program1508568676
- John Abramson, M.D.Gastroenterology Physician1710953633
- Sandra Abramson, MDCardiovascular Disease Physician1275538282
- Olivia Ackley, MDInternal Medicine Physician1174453930
- Ashley Adams, CRNPWomen's Health Nurse Practitioner1497225635
- Bonnie Adelman, M.S.P.A.Audiologist1568718088
Verify Marc A. Zitin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD038071ECheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
52% more Medicare Part D claims than the average gastroenterology physician in 2024
1,231 Medicare Part D claims for 307 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D.
Most prescribed
- Pantoprazole Sodium346 claims
- Famotidine203 claims
- Omeprazole191 claims
- Dicyclomine Hcl57 claims
- Esomeprazole Magnesium35 claims
- Mesalamine28 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: $2,218.36
119 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 13,350 providers of this specialty with any payment received $5,015.95 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 one group practice
- Regional Gastroenterology Associates OF Lancaster, Ltd.Wynnewood, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Marc A. Zitin among 1,049 gastroenterology physician records in Pennsylvania
Marc A. Zitin, M.D. is one of 1,049 gastroenterology physician records with a practice address in Pennsylvania. 85% 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 14% of them.
- NPI issued2006 · 14% of these records are older, 47% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 73% of these records are
- Graduated1985 · median 2003 among the 769 with a school on file
- Record last updated2007 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
15 gastroenterology physician records list a practice address in Wynnewood
They are 15 of the 1,246 NPPES records with a practice address in Wynnewood, and 1,049 gastroenterology physician records in Pennsylvania.
All 1,049 in Pennsylvania → Every provider in Wynnewood → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- John Abramson, M.D.Wynnewood, PA 190961710953633
- Om Amin, MDWynnewood, PA 190961588957435
- Babak Etemad, MDWynnewood, PA 190961942268057
- Scott Fink, MDWynnewood, PA 190961023060480
- Helen LeeWynnewood, PA 190961770882243
- Giancarlo Mercogliano, M.D.Wynnewood, PA 190961144296013
- Gary Newman, M.D.Wynnewood, PA 190961023085990
- Vishal Patel, M.D.Wynnewood, PA 190961770787749
Common questions
What is Marc A. Zitin, M.D.'s NPI number?
Marc A. Zitin, M.D.'s National Provider Identifier (NPI) is 1548237423, issued on Mar 1, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Marc A. Zitin, M.D. located?
The NPPES record lists a practice address at 100 E Lancaster Ave, Wynnewood, PA, 19096. Phone: (610) 896-7360. Providers update this record themselves, so call before visiting.
How can I verify Marc A. Zitin, M.D.'s license?
NPPES lists Pennsylvania license number MD038071E, 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 Marc A. Zitin, M.D. prescribe under Medicare Part D?
In 2024, Marc A. Zitin, M.D. had 1,231 Medicare Part D claims for 307 beneficiaries; the average among gastroenterology physician prescribers was 811. 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.