Marie McMillen, DO
NPI 1255712618ActiveIndividual· Psychiatry & Neurology, Neurology· Waterloo, IA
Psychiatry & Neurology, Neurology (DO) with Covenant Medical Center Inc, practicing in Waterloo, Iowa. Medicare paid $32,137 for services to 160 patients in 2024. Emd Serono, Inc. was the largest of 2 companies reporting payments in 2025, $61.91 in all, mostly food and beverage. Lists Mercyone Waterloo Medical Center and 1 other hospital as hospital affiliations.
Overview
| NPI | 1255712618 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | No |
| NPI issued | Jun 11, 2015 |
| Last updated in NPPES | Dec 14, 2020 |
| Certified by provider | Dec 14, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Psychiatry & Neurology, Neurology Primary | 2084N0400X | DO-05614 | IA |
| Psychiatry & Neurology, Neurology | 2084N0400X | 02005698B | IN |
| Psychiatry & Neurology, Neurology | 2084N0400X | R2489 | AZ |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Neurology (IA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 160 |
|---|---|
| Services billed | 474 across 12 procedure codes |
| Paid by Medicare | $32,137 |
Education and affiliations
| Graduation year | 2015 |
|---|---|
| Medicare specialty | Neurology |
Medical group
- Covenant Medical Center IncWaterloo, IA · 235 clinicians
Hospital affiliations
- Mercyone Waterloo Medical CenterWaterloo, IA
- Sartori Memorial Hospital, IncCedar Falls, IA
Industry payments (Open Payments)
- 2025$61.91 · 3 payments from 2 companies
- 2024$14.84 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Emd Serono, Inc. | $43.43 | 2 |
| Sk Life Science, Inc. | $18.48 | 1 |
What the 2025 payments were for
- Food and Beverage$61.91 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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