William Alexander Clark, MD, MPH
NPI 1821899717ActiveIndividual· Surgery· Maywood, IL
Surgery (MD, MPH) in Maywood, Illinois, licensed in IL, with an NPI issued in March 2025. Enrolled in Medicare as order and referring only - general surgery. Davol Inc. was the largest of 2 companies reporting payments in 2025, $305.78 in all, mostly food and beverage.
Overview
| NPI | 1821899717 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD, MPH |
| Sole proprietor | Yes |
| NPI issued | Mar 24, 2025 |
| Last updated in NPPES | May 20, 2025 |
| Certified by provider | May 20, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Surgery Primary | 208600000X | 125.085748 | IL |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | — |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Order and Referring Only - General Surgery (IL) |
|---|
Industry payments (Open Payments)
- 2025$305.78 · 3 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Davol Inc. | $163.06 | 2 |
| Polynovo North America LLC | $142.72 | 1 |
What the 2025 payments were for
- Food and Beverage$305.78 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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