Keegan Parrish Olmstead, DO
NPI 1609338813ActiveIndividual· Hospitalist· Montgomery, OH
Hospitalist (DO) in Montgomery, Ohio, trained at University of North Texas Hsc, College of Osteopathic Med (class of 2019). Part D covered 108 prescriptions written in 2024, 74% of them generic. Stryker Corporation was the largest of 4 companies reporting payments in 2025, $383.48 in all, mostly food and beverage.
Overview
| NPI | 1609338813 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | No |
| NPI issued | Apr 5, 2019 |
| Last updated in NPPES | Oct 31, 2022 |
| Certified by provider | Oct 31, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Hospitalist Primary | 208M00000X | 34.015895 | OH |
| Internal Medicine | 207R00000X | 58.030855 | OH |
| Internal Medicine | 207R00000X | 34.015895 | OH |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | — |
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 Order and Referring Only - Interventional Cardiology (TX) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 108 · 189 30-day fills |
|---|---|
| Patients | 15 |
| Total drug cost | $19,515 |
| Generic share | 74% of claims |
Education and affiliations
| Medical school | University of North Texas Hsc, College of Osteopathic Med |
|---|---|
| Graduation year | 2019 |
| Medicare specialty | Internal Medicine |
Hospital affiliation
- University of Cincinnati Medical Center, LLCCincinnati, OH
Industry payments (Open Payments)
- 2025$383.48 · 5 payments from 4 companies
- 2024$272.88 · 5 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Stryker Corporation | $132.72 | 2 |
| Cook Medical LLC | $127.52 | 1 |
| W. L. Gore & Associates, Inc. | $94.98 | 1 |
| Abiomed | $28.26 | 1 |
What the 2025 payments were for
- Food and Beverage$383.48 · 5 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 31 hospitalists in Montgomery · All hospitalists in Ohio