Thomas Robert Geisler, D.O.
NPI 1740608538ActiveIndividual· Internal Medicine, Gastroenterology· Erie, PA
Internal Medicine, Gastroenterology (D.O.) in Erie, Pennsylvania, trained at Des Moines University of Osteopathic Medicine and Health Sciences (class of 2014). Their prescriptions cost Medicare Part D more than their services did: $257,059 for 731 claims, against $87,879 paid for services in 2024. Abbvie Inc. was the largest of 14 companies reporting payments in 2025, $754.50 in all, mostly food and beverage.
Overview
| NPI | 1740608538 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | No |
| NPI issued | Mar 31, 2014 |
| Last updated in NPPES | Mar 6, 2023 |
| Certified by provider | Mar 6, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 012519 | OH |
| Internal Medicine | 207R00000X | 012519 | OH |
| Internal Medicine, Gastroenterology | 207RG0100X | OS020445 | PA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 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 | 351 |
|---|---|
| Services billed | 912 across 53 procedure codes |
| Paid by Medicare | $87,879 |
Part D prescriptions in 2024
| Prescriptions (claims) | 731 · 1,003 30-day fills |
|---|---|
| Patients | 219 |
| Total drug cost | $257,059 |
| Generic share | 77% of claims |
Education and affiliations
| Medical school | Des Moines University of Osteopathic Medicine and Health Sciences |
|---|---|
| Graduation year | 2014 |
| Medicare specialty | Gastroenterology |
Medical group
- Triad Health Services LLCYoungstown, OH · 258 clinicians
Hospital affiliations
- Hmhp St Elizabeth Boardman Health CenterBoardman, OH
- Mh St Elizabeth Youngstown HospitalYoungstown, OH
- Salem Regional Medical CenterSalem, OH
- Surgical Hospital at SouthwoodsYoungstown, OH
Industry payments (Open Payments)
- 2025$754.50 · 49 payments from 14 companies
- 2024$1,417 · 78 payments from 13 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $232.22 | 23 |
| Takeda Pharmaceuticals U.S.A., Inc. | $105.66 | 5 |
| Janssen Biotech, Inc. | $99.00 | 1 |
| Phathom Pharmaceuticals, Inc. | $70.41 | 7 |
| Boston Scientific Corporation | $47.05 | 2 |
What the 2025 payments were for
- Food and Beverage$655.50 · 48 payments
- Education$99.00 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine, Gastroenterology providers in Erie
- 1295772861
- 1134054448
- 1952481624
- 1659302669
- 1952786543
- 1235237090
- 1689796120
- 1295787356
- 1861471302
- 1083927297
- 1871598565
- 1053407155
All Internal Medicine, Gastroenterology providers in Pennsylvania →