Diego Marin, MD
NPI 1750818746ActiveIndividual· Psychiatry & Neurology, Psychiatry· Waukesha, WI
Psychiatry & Neurology, Psychiatry (MD) in Waukesha, Wisconsin, licensed in IL and WI, with an NPI issued in May 2017. 75 Medicare patients in 2024, $48,809 paid; nearly all of their 317 Part D prescriptions were generic (98%). Otsuka America Pharmaceutical, Inc. reported $68.52 in payments in 2025, mostly food and beverage. Lists Presence Saints Mary and Elizabeth Medical Center as a hospital affiliation.
Overview
| NPI | 1750818746 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | May 22, 2017 |
| Last updated in NPPES | Aug 28, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Psychiatry & Neurology, Psychiatry Primary | 2084P0800X | 150249 | IL |
| Psychiatry & Neurology, Psychiatry | 2084P0800X | 70972 | 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 - Psychiatry (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 75 |
|---|---|
| Services billed | 708 across 5 procedure codes |
| Paid by Medicare | $48,809 |
Part D prescriptions in 2024
| Prescriptions (claims) | 317 · 330 30-day fills |
|---|---|
| Patients | 65 |
| Total drug cost | $9,434 |
| Generic share | 98% of claims |
Education and affiliations
| Graduation year | 2016 |
|---|---|
| Medicare specialty | Psychiatry |
| Telehealth | Offers telehealth |
Hospital affiliation
Industry payments (Open Payments)
- 2025$68.52 · 3 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Otsuka America Pharmaceutical, Inc. | $68.52 | 3 |
What the 2025 payments were for
- Food and Beverage$68.52 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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