Olesya Grinenko, MD, PHD
NPI 1306345210ActiveIndividual· Psychiatry & Neurology, Neurology· Ames, IA
Psychiatry & Neurology, Neurology (MD, PHD) with McFarland Clinic PC, practicing in Ames, Iowa. Their prescriptions cost Medicare Part D more than their services did: $144,818 for 1,576 claims, against $89,683 paid for services in 2024. Abbvie Inc. was the largest of 3 companies reporting payments in 2025, $200.57 in all, mostly food and beverage. Lists Hansen Family Hospital and 1 other hospital as hospital affiliations.
Overview
| NPI | 1306345210 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD, PHD |
| Sole proprietor | Yes |
| NPI issued | Feb 6, 2018 |
| Last updated in NPPES | Nov 15, 2023 |
| Certified by provider | Nov 15, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Psychiatry & Neurology, Neurology Primary | 2084N0400X | MD-50464 | IA |
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 - Neurology (CA); Practitioner - Neurology (IA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 439 |
|---|---|
| Services billed | 3,339 across 53 procedure codes |
| Paid by Medicare | $89,683 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,576 · 2,321 30-day fills |
|---|---|
| Patients | 325 |
| Total drug cost | $144,818 |
| Generic share | 94% of claims |
Education and affiliations
| Graduation year | 2007 |
|---|---|
| Medicare specialty | Neurology |
| Telehealth | Offers telehealth |
Medical group
- McFarland Clinic PCAmes, IA · 363 clinicians
Hospital affiliations
- Hansen Family HospitalIowa Falls, IA
- Mary Greeley Medical CenterAmes, IA
Industry payments (Open Payments)
- 2025$200.57 · 8 payments from 3 companies
- 2024$62.28 · 3 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $94.24 | 4 |
| Biogen, Inc. | $57.94 | 2 |
| Livanova USA, Inc. | $48.39 | 2 |
What the 2025 payments were for
- Food and Beverage$200.57 · 8 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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