William L. Fesler, MD
NPI 1730171679ActiveIndividual· Family Medicine· Bartlesville, OK
Family Medicine (MD) in Bartlesville, Oklahoma, trained at University of Oklahoma College of Medicine (class of 1970). Their prescriptions cost Medicare Part D more than their services did: $642,129 for 6,972 claims, against $34,907 paid for services in 2024. Exact Sciences Corporation was the largest of 2 companies reporting payments in 2025, $36.86 in all, mostly food and beverage.
Overview
| NPI | 1730171679 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Aug 17, 2005 |
| Last updated in NPPES | Mar 13, 2018 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | 9428 | 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 - Family Practice (OK) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 168 |
|---|---|
| Services billed | 2,418 across 37 procedure codes |
| Paid by Medicare | $34,907 |
Part D prescriptions in 2024
| Prescriptions (claims) | 6,972 · 11,773 30-day fills |
|---|---|
| Patients | 309 |
| Total drug cost | $642,129 |
| Generic share | 87% of claims |
Education and affiliations
| Medical school | University of Oklahoma College of Medicine |
|---|---|
| Graduation year | 1970 |
| Medicare specialty | Family Practice |
Medical group
- St. John Physicians, Inc.Tulsa, OK · 259 clinicians
Industry payments (Open Payments)
- 2025$36.86 · 2 payments from 2 companies
- 2024$137.17 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Exact Sciences Corporation | $20.76 | 1 |
| Amgen Inc. | $16.10 | 1 |
What the 2025 payments were for
- Food and Beverage$36.86 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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