Marc Zitin, M.D.
NPI 1548237423 · Gastroenterology Physician · Wynnewood, PA
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marc Zitin, M.D. is a Gastroenterology Physician provider in Wynnewood, PA (NPI 1548237423).
Provider details
- NPI number
- 1548237423
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- MD038071E (PA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
533 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 109 | $255 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 83 | $93 |
| Biopsy of Large Bowel Using a Flexible Endoscope45380 | 80 | $148 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 70 | $101 |
| Colorectal Cancer Screening; Colonoscopy on Individual at High RiskG0105 | 59 | $183 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 17 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Pantoprazole Sodium | 346 | 85 |
| Famotidine | 203 | 55 |
| Omeprazole | 191 | 56 |
| Dicyclomine Hcl | 57 | 24 |
| Esomeprazole Magnesium | 35 | 11 |
| Mesalamine | 28 | — |
| Dexlansoprazolebrand: Dexlansoprazole Dr | 20 | — |
| Ustekinumab |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$2,218 across 119 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-03-01
- Last updated
- 2007-11-02
Frequently asked questions
- What is Marc Zitin's NPI number?
- Marc Zitin's National Provider Identifier (NPI) is 1548237423, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marc Zitin's specialty?
- Marc Zitin is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Marc Zitin located?
- Marc Zitin's practice location on file with NPPES is 100 E Lancaster Ave, Wynnewood, PA 19096-3450.
- What is Marc Zitin's phone number?
- The practice phone number listed in the NPPES registry for Marc Zitin is (610) 896-7360.
- Does Marc Zitin accept Medicare?
- Marc Zitin is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marc Zitin's NPI active?
- Yes — Marc Zitin's NPI (1548237423) is active in the NPPES registry as of the last update on 2007-11-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.