Thayaparan Mathanakaran, M.D
NPI 1891734430ActiveIndividual· Family Medicine, Adult Medicine· Olean, NY
Family Medicine, Adult Medicine (M.D) with General Physician PC and 1 other group, practicing in Olean, New York. Their prescriptions cost Medicare Part D more than their services did: $2,336,656 for 16,011 claims, against $141,417 paid for services in 2024. Sumitomo Pharma America, Inc. was the largest of 2 companies reporting payments in 2025, $50.38 in all, mostly food and beverage. Lists Kaleida Health and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1891734430 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D |
| Sole proprietor | Yes |
| NPI issued | Jun 6, 2006 |
| Last updated in NPPES | Jul 27, 2026 |
| Certified by provider | Jul 27, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine, Adult Medicine Primary | 207QA0505X | 251105 | NY |
| Emergency Medicine | 207P00000X | 251105 | NY |
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 - Family Practice (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 710 |
|---|---|
| Services billed | 7,881 across 128 procedure codes |
| Paid by Medicare | $141,417 |
Part D prescriptions in 2024
| Prescriptions (claims) | 16,011 · 36,078 30-day fills |
|---|---|
| Patients | 778 |
| Total drug cost | $2,336,656 |
| Generic share | 87% of claims |
Education and affiliations
| Graduation year | 2000 |
|---|---|
| Medicare specialty | Family Practice |
| Secondary specialties | Emergency Medicine |
Medical groups
- General Physician PCAmherst, NY · 501 clinicians
- Olean Medical Practice PLLCOlean, NY · 51 clinicians
Hospital affiliations
- Kaleida HealthBuffalo, NY
- Olean General HospitalOlean, NY
- Upmc ColeCoudersport, PA
Other facilities
- Cattaraugus County Department of Health ChhaHome health agency · Olean, NY
- Vna of Western Ny ChhaHome health agency · Cheektowaga, NY
- Homecare & HospiceHospice · Allegany, NY
Industry payments (Open Payments)
- 2025$50.38 · 2 payments from 2 companies
- 2024$83.28 · 4 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Sumitomo Pharma America, Inc. | $25.96 | 1 |
| Abbvie Inc. | $24.42 | 1 |
What the 2025 payments were for
- Food and Beverage$50.38 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Family Medicine, Adult Medicine providers in Olean
- 1851686679
- 1841153178