William James Lewis, MD
NPI 1063496859ActiveIndividual· Internal Medicine, Infectious Disease· Tulsa, OK
Internal Medicine, Infectious Disease (MD) in Tulsa, Oklahoma, trained at University of Texas Medical Branch at Galveston (class of 1990). Their prescriptions cost Medicare Part D more than their services did: $3,934,081 for 3,708 claims, against $106,932 paid for services in 2024.
Overview
| NPI | 1063496859 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Dec 5, 2005 |
| Last updated in NPPES | Jul 23, 2025 |
| Certified by provider | Jul 23, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Infectious Disease Primary | 207RI0200X | 19697 | 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 - Infectious Disease (OK) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 389 |
|---|---|
| Services billed | 1,513 across 10 procedure codes |
| Paid by Medicare | $106,932 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,708 · 4,460 30-day fills |
|---|---|
| Patients | 409 |
| Total drug cost | $3,934,081 |
| Generic share | 73% of claims |
Education and affiliations
| Medical school | University of Texas Medical Branch at Galveston |
|---|---|
| Graduation year | 1990 |
| Medicare specialty | Infectious Disease |
Medical group
- Warren Clinic IncTulsa, OK · 883 clinicians
Hospital affiliations
- Saint Francis Hospital MuskogeeMuskogee, OK
- Saint Francis Hospital South, LLCTulsa, OK
- Saint Francis Hospital Vinita, IncVinita, OK
- Saint Francis Hospital, IncTulsa, OK
- Stillwater Medical CenterStillwater, OK
Other facilities
- Saint Francis Home HealthHome health agency · Tulsa, OK
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 30 infectious disease specialists in Tulsa · All infectious disease specialists in Oklahoma