William H. Fritz, MD
NPI 1407820913ActiveIndividual· Internal Medicine· Washington, MO
Internal Medicine (MD) in Washington, Missouri, trained at University of Texas Medical School at Houston (class of 1987). Their prescriptions cost Medicare Part D more than their services did: $793,011 for 7,314 claims, against $36,247 paid for services in 2024. Abbvie Inc. reported $31.58 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1407820913 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Feb 14, 2006 |
| Last updated in NPPES | Jul 13, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 102131 | MO |
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 - Internal Medicine (MO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 145 |
|---|---|
| Services billed | 540 across 32 procedure codes |
| Paid by Medicare | $36,247 |
Part D prescriptions in 2024
| Prescriptions (claims) | 7,314 · 17,140 30-day fills |
|---|---|
| Patients | 592 |
| Total drug cost | $793,011 |
| Generic share | 85% of claims |
Education and affiliations
| Medical school | University of Texas Medical School at Houston |
|---|---|
| Graduation year | 1987 |
| Medicare specialty | Internal Medicine |
Medical group
- Mercy Clinic East CommunitiesSaint Louis, MO · 571 clinicians
Hospital affiliation
- Mercy Hospital WashingtonWashington, MO
Industry payments (Open Payments)
- 2025$31.58 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $31.58 | 1 |
What the 2025 payments were for
- Food and Beverage$31.58 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 25 internal medicine physicians in Washington · All internal medicine physicians in Missouri