Marc Happe, D.O.
NPI 1164580874 · Gastroenterology Physician · Uniontown, PA
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marc Happe, D.O. is a Gastroenterology Physician provider in Uniontown, PA (NPI 1164580874).
Provider details
- NPI number
- 1164580874
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- Yes
- License
- OS014664 (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
19 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
399 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) |
|---|---|---|
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 96 | $59 |
| Biopsy of Large Bowel Using a Flexible Endoscope45380 | 95 | $92 |
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 68 | $238 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 53 | $124 |
| Insertion of Guide Wire With Dilation of Esophagus Using a Flexible Endoscope43248 | 42 | $126 |
| Colorectal Cancer Screening; Colonoscopy on Individual at High Risk |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 10 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prochlorperazine Maleate | 389 | 374 |
| Pantoprazole Sodium | 201 | 78 |
| Omeprazole | 140 | 49 |
| Famotidine | 33 | 12 |
| Sodium, Potassium,mag Sulfatesbrand: Sod Sulf-Potass Sulf-Mag Sulf | 32 | 32 |
| Linaclotidebrand: Linzess | 26 | — |
| Sod Sulf/Pot Chloride/Mag Sulfbrand: Sutab | 22 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$941 across 50 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
- 2006-12-05
- Last updated
- 2011-08-05
Frequently asked questions
- What is Marc Happe's NPI number?
- Marc Happe's National Provider Identifier (NPI) is 1164580874, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marc Happe's specialty?
- Marc Happe is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Marc Happe located?
- Marc Happe's practice location on file with NPPES is 300 Spring Creek Ln, Uniontown, PA 15401-9069.
- What is Marc Happe's phone number?
- The practice phone number listed in the NPPES registry for Marc Happe is (724) 437-7677.
- Does Marc Happe accept Medicare?
- Marc Happe is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marc Happe's NPI active?
- Yes — Marc Happe's NPI (1164580874) is active in the NPPES registry as of the last update on 2011-08-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.