Eric J. Thierman, MD
NPI 1235101908ActiveIndividual· Internal Medicine· Williamsville, NY
Internal Medicine (MD) in Williamsville, New York, trained at State University of New York at Buffalo School of Medicine (class of 1999). Their prescriptions cost Medicare Part D more than their services did: $838,535 for 7,992 claims, against $30,776 paid for services in 2024. Novo Nordisk Inc was the largest of 15 companies reporting payments in 2025, $712.82 in all, mostly food and beverage.
Overview
| NPI | 1235101908 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Feb 6, 2006 |
| Last updated in NPPES | Jul 21, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 219381 | NY |
| Pediatrics | 208000000X | 219381 | NY |
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 - Internal Medicine (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 130 |
|---|---|
| Services billed | 496 across 27 procedure codes |
| Paid by Medicare | $30,776 |
Part D prescriptions in 2024
| Prescriptions (claims) | 7,992 · 17,959 30-day fills |
|---|---|
| Patients | 706 |
| Total drug cost | $838,535 |
| Generic share | 88% of claims |
Education and affiliations
| Medical school | State University of New York at Buffalo School of Medicine |
|---|---|
| Graduation year | 1999 |
| Medicare specialty | Internal Medicine |
| Secondary specialties | Pediatric Medicine |
Medical groups
- Maple Internal Medicine and Pediatrics PLLCWilliamsville, NY · 8 clinicians
- Internal Med Id Associates, LLCGetzville, NY · 5 clinicians
Hospital affiliations
- Kaleida HealthBuffalo, NY
- Olean General HospitalOlean, NY
- Sisters of Charity HospitalBuffalo, NY
Other facilities
- Vna of Western Ny ChhaHome health agency · Cheektowaga, NY
Industry payments (Open Payments)
- 2025$712.82 · 45 payments from 15 companies
- 2024$986.70 · 63 payments from 14 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novo Nordisk Inc | $213.03 | 20 |
| Lilly USA, LLC | $67.56 | 3 |
| Phathom Pharmaceuticals, Inc. | $66.75 | 3 |
| Glaxosmithkline, LLC. | $65.70 | 4 |
| Axsome Therapeutics, Inc. | $52.33 | 2 |
What the 2025 payments were for
- Food and Beverage$712.82 · 45 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 85 internal medicine physicians in Williamsville · All internal medicine physicians in New York