Peter Dryer, MD
NPI 1639380934ActiveIndividual· Internal Medicine, Gastroenterology· Cincinnati, OH
Internal Medicine, Gastroenterology (MD) with Gcga Physicians Inc., practicing in Cincinnati, Ohio. Their prescriptions cost Medicare Part D more than their services did: $885,842 for 1,558 claims, against $169,334 paid for services in 2024. Abbvie Inc. was the largest of 17 companies reporting payments in 2025, $1,251 in all, mostly food and beverage. Lists Bethesda North and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1639380934 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 25, 2007 |
| Last updated in NPPES | Apr 18, 2024 |
| Certified by provider | Apr 18, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 35.093415 | OH |
| Internal Medicine | 207R00000X | 57011605 | 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 | 402 |
|---|---|
| Services billed | 6,198 across 56 procedure codes |
| Paid by Medicare | $169,334 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,558 · 3,278 30-day fills |
|---|---|
| Patients | 453 |
| Total drug cost | $885,842 |
| Generic share | 85% of claims |
Education and affiliations
| Graduation year | 2006 |
|---|---|
| Medicare specialty | Gastroenterology |
| Secondary specialties | Internal Medicine |
| 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 - Fairfield HospitalFairfield, OH
- The Jewish Hospital-Mercy HealthCincinnati, OH
Industry payments (Open Payments)
- 2025$1,251 · 53 payments from 17 companies
- 2024$1,293 · 66 payments from 18 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $486.70 | 30 |
| Madrigal Pharmaceuticals | $236.24 | 5 |
| Medtronic, Inc. | $114.24 | 1 |
| Aimmune Therapeutics, Inc. | $111.18 | 1 |
| Regeneron Healthcare Solutions, Inc. | $51.63 | 2 |
What the 2025 payments were for
- Food and Beverage$1,251 · 53 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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