Mark Diaz III, PA-C
NPI 1700370020ActiveIndividual· Physician Assistant· Madison, WI
Physician Assistant (PA-C) in Madison, Wisconsin, licensed in WI, with an NPI issued in June 2018. 352 Medicare patients in 2024, $28,998 paid; nearly all of their 215 Part D prescriptions were generic (91%). Abbvie Inc. reported $121.12 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1700370020 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | No |
| NPI issued | Jun 20, 2018 |
| Last updated in NPPES | Jun 20, 2018 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | 4404-23 | WI |
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 - Physician Assistant (WI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 352 |
|---|---|
| Services billed | 454 across 31 procedure codes |
| Paid by Medicare | $28,998 |
Part D prescriptions in 2024
| Prescriptions (claims) | 215 · 216 30-day fills |
|---|---|
| Patients | 157 |
| Total drug cost | $5,036 |
| Generic share | 91% of claims |
Industry payments (Open Payments)
- 2025$121.12 · 1 payment from 1 company
- 2024$108.84 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $121.12 | 1 |
What the 2025 payments were for
- Food and Beverage$121.12 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 396 physician assistants in Madison · All physician assistants in Wisconsin