William Carl Mercer, MD
NPI 1780687558ActiveIndividual· Family Medicine· Wheeling, WV
Family Medicine (MD) in Wheeling, West Virginia, trained at West Virginia University School of Medicine (class of 1979). Their prescriptions cost Medicare Part D more than their services did: $1,671,412 for 21,275 claims, against $61,223 paid for services in 2024. Sanofi-Aventis U.S. LLC reported $125.00 in payments in 2024, mostly food and beverage.
Overview
| NPI | 1780687558 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | May 24, 2005 |
| Last updated in NPPES | Sep 19, 2022 |
| Certified by provider | Sep 19, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | 12007 | WV |
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 (WV) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 174 |
|---|---|
| Services billed | 895 across 10 procedure codes |
| Paid by Medicare | $61,223 |
Part D prescriptions in 2024
| Prescriptions (claims) | 21,275 · 21,359 30-day fills |
|---|---|
| Patients | 316 |
| Total drug cost | $1,671,412 |
| Generic share | 83% of claims |
Education and affiliations
| Medical school | West Virginia University School of Medicine |
|---|---|
| Graduation year | 1979 |
| Medicare specialty | Family Practice |
| Secondary specialties | Geriatric Medicine |
Medical group
- Wheeling Hospital IncWheeling, WV · 444 clinicians
Hospital affiliation
- Wheeling Hospital, IncWheeling, WV
Other facilities
- Valley Hospice, IncorporatedHospice · Wheeling, WV
- Continuous Care Center Wheeling HospitalNursing home · Wheeling, WV
- Good Shepherd Nursing HomeNursing home · Wheeling, WV
- Peterson Rehabilitation and HealthcareNursing home · Wheeling, WV
Industry payments (Open Payments)
- 2024$125.00 · 1 payment from 1 company
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| Sanofi-Aventis U.S. LLC | $125.00 | 1 |
What the 2024 payments were for
- Food and Beverage$125.00 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other family medicine physicians in Wheeling
- 1033788104
- 1043692593
- 1215386966
- 1265881999
- 1336145630
- 1366488702
- 1376537191
- 1467655712
- 1528355070
- 1700977592
- 1780004093
- 1952750465
All 71 family medicine physicians in Wheeling · All family medicine physicians in West Virginia