Mathew Amprayil Cherian, MD
NPI 1639258379ActiveIndividual· Internal Medicine, Medical Oncology· Oklahoma City, OK
Internal Medicine, Medical Oncology (MD) with Ou Health Partners Inc, practicing in Oklahoma City, Oklahoma. Their prescriptions cost Medicare Part D more than their services did: $1,213,394 for 338 claims, against $22,160 paid for services in 2024. Genentech, Inc. was the largest of 2 companies reporting payments in 2025, $164.94 in all, mostly food and beverage. Lists O U Medical Center and 1 other hospital as hospital affiliations.
Overview
| NPI | 1639258379 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Nov 3, 2006 |
| Last updated in NPPES | Nov 25, 2025 |
| Certified by provider | Nov 25, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Medical Oncology Primary | 207RX0202X | 46352 | OK |
| Internal Medicine, Medical Oncology | 207RX0202X | 35.133906 | OH |
| Internal Medicine, Medical Oncology | 207RX0202X | 2009006300 | MO |
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 - Internal Medicine (OK) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 98 |
|---|---|
| Services billed | 219 across 9 procedure codes |
| Paid by Medicare | $22,160 |
Part D prescriptions in 2024
| Prescriptions (claims) | 338 · 650 30-day fills |
|---|---|
| Patients | 80 |
| Total drug cost | $1,213,394 |
| Generic share | 73% of claims |
Education and affiliations
| Graduation year | 2000 |
|---|---|
| Medicare specialty | Internal Medicine |
Medical group
- Ou Health Partners IncOklahoma City, OK · 1,184 clinicians
Hospital affiliations
- O U Medical CenterOklahoma City, OK
- Ohio State University State Health SystemColumbus, OH
Industry payments (Open Payments)
- 2025$164.94 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Genentech, Inc. | $102.02 | 1 |
| Astrazeneca Pharmaceuticals LP | $62.92 | 1 |
What the 2025 payments were for
- Food and Beverage$164.94 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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