Allan Peck, M.D.
NPI 1588663561ActiveIndividual· Internal Medicine, Gastroenterology· Cincinnati, OH
Internal Medicine, Gastroenterology (M.D.) in Cincinnati, Ohio, trained at University of Cincinnati College of Medicine (class of 1988). Their prescriptions cost Medicare Part D more than their services did: $1,412,603 for 1,329 claims, against $125,691 paid for services in 2024. Abbvie Inc. was the largest of 16 companies reporting payments in 2025, $50,098 in all, mostly speaking and faculty fees.
Overview
| NPI | 1588663561 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jul 20, 2005 |
| Last updated in NPPES | Jul 13, 2022 |
| Certified by provider | Jul 13, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 35064627 | OH |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Gastroenterology (OH) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 401 |
|---|---|
| Services billed | 5,086 across 36 procedure codes |
| Paid by Medicare | $125,691 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,329 · 2,669 30-day fills |
|---|---|
| Patients | 542 |
| Total drug cost | $1,412,603 |
| Generic share | 72% of claims |
Education and affiliations
| Medical school | University of Cincinnati College of Medicine |
|---|---|
| Graduation year | 1988 |
| Medicare specialty | Gastroenterology |
| Telehealth | Offers telehealth |
Medical group
- Gcga Physicians Inc.Lima, OH · 77 clinicians
Hospital affiliations
- Bethesda NorthCincinnati, OH
- Christ HospitalCincinnati, OH
- Good Samaritan HospitalCincinnati, OH
- Mercy Health - West HospitalCincinnati, OH
- The Jewish Hospital-Mercy HealthCincinnati, OH
Industry payments (Open Payments)
- 2025$50,098 · 163 payments from 16 companies
- 2024$119,710 · 272 payments from 18 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $28,188 | 85 |
| Phathom Pharmaceuticals, Inc. | $18,223 | 28 |
| Janssen Biotech, Inc. | $2,057 | 14 |
| Madrigal Pharmaceuticals | $403.28 | 4 |
| Janssen Scientific Affairs, LLC | $397.99 | 3 |
What the 2025 payments were for
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$42,500 · 20 payments
- Food and Beverage$4,473 · 124 payments
- Consulting Fee$2,800 · 4 payments
- Travel and Lodging$325.40 · 15 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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