Lewis A. Hassell, M.D.
NPI 1831115120ActiveIndividual· Pathology, Anatomic Pathology & Clinical Pathology· Oklahoma City, OK
Pathology, Anatomic Pathology & Clinical Pathology (M.D.) in Oklahoma City, Oklahoma, trained at University of Utah School of Medicine (class of 1982). Medicare paid $22,585 for services to 316 patients in 2024. Astrazeneca Pharmaceuticals LP was the largest of 2 companies reporting payments in 2025, $926.05 in all, mostly consulting fees.
Overview
| NPI | 1831115120 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jul 14, 2006 |
| Last updated in NPPES | Jan 23, 2017 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Pathology, Anatomic Pathology & Clinical Pathology Primary | 207ZP0102X | 26094 | OK |
| Pathology, Cytopathology | 207ZC0500X | 26094 | OK |
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 - Pathology (OK) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 316 |
|---|---|
| Services billed | 863 across 13 procedure codes |
| Paid by Medicare | $22,585 |
Education and affiliations
| Medical school | University of Utah School of Medicine |
|---|---|
| Graduation year | 1982 |
| Medicare specialty | Pathology |
Medical group
- Ou Health Partners IncOklahoma City, OK · 1,184 clinicians
Hospital affiliation
- O U Medical CenterOklahoma City, OK
Industry payments (Open Payments)
- 2025$926.05 · 3 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $791.05 | 2 |
| Leica Microsystems Inc. | $135.00 | 1 |
What the 2025 payments were for
- Consulting Fee$730.00 · 1 payment
- Food and Beverage$196.05 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 85 pathologists in Oklahoma City · All pathologists in Oklahoma