William A. Martinez, MD
NPI 1144212382ActiveIndividual· Family Medicine· Libertyville, IL
Family Medicine (MD) in Libertyville, Illinois, licensed in IL, with an NPI issued in August 2005. Their prescriptions cost Medicare Part D more than their services did: $208,462 for 2,167 claims, against $18,790 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 8 companies reporting payments in 2025, $1,274 in all, mostly food and beverage. Lists Advocate Condell Medical Center as a hospital affiliation.
Overview
| NPI | 1144212382 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Aug 15, 2005 |
| Last updated in NPPES | Dec 9, 2021 |
| Certified by provider | Dec 9, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | 036099225 | IL |
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 (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 67 |
|---|---|
| Services billed | 304 across 12 procedure codes |
| Paid by Medicare | $18,790 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,167 · 5,301 30-day fills |
|---|---|
| Patients | 153 |
| Total drug cost | $208,462 |
| Generic share | 85% of claims |
Education and affiliations
| Graduation year | 1986 |
|---|---|
| Medicare specialty | Family Practice |
Hospital affiliation
- Advocate Condell Medical CenterLibertyville, IL
Industry payments (Open Payments)
- 2025$1,274 · 27 payments from 8 companies
- 2024$1,283 · 44 payments from 8 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $399.42 | 9 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $385.01 | 4 |
| Novo Nordisk Inc | $175.78 | 5 |
| Abbott Laboratories | $131.54 | 2 |
| Lilly USA, LLC | $70.00 | 2 |
What the 2025 payments were for
- Food and Beverage$1,229 · 26 payments
- Education$45.00 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 47 family medicine physicians in Libertyville · All family medicine physicians in Illinois