Riley M. Guest
NPI 1033885256ActiveIndividual· Physician Assistant· Columbus, OH
Physician Assistant with Central Ohio Urology Group, LLC. and 1 other group, practicing in Columbus, Ohio. 389 Medicare patients in 2024, $33,128 paid; nearly all of their 563 Part D prescriptions were generic (92%). Medtronic, Inc. was the largest of 13 companies reporting payments in 2025, $2,189 in all, mostly food and beverage. Lists Fairfield Medical Center and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1033885256 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | No |
| NPI issued | Aug 18, 2021 |
| Last updated in NPPES | Oct 28, 2026 |
| Certified by provider | Oct 28, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | — | — |
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 (OH) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 389 |
|---|---|
| Services billed | 1,535 across 37 procedure codes |
| Paid by Medicare | $33,128 |
Part D prescriptions in 2024
| Prescriptions (claims) | 563 · 912 30-day fills |
|---|---|
| Patients | 214 |
| Total drug cost | $46,119 |
| Generic share | 92% of claims |
Education and affiliations
| Graduation year | 2021 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical groups
- Central Ohio Urology Group, LLC.Gahanna, OH · 48 clinicians
- Hocking Valley Medical Group, Inc.Logan, OH · 20 clinicians
Hospital affiliations
- Fairfield Medical CenterLancaster, OH
- Hocking Valley Community HospitalLogan, OH
- Holzer Medical CenterGallipolis, OH
- Riverside Methodist HospitalColumbus, OH
Industry payments (Open Payments)
- 2025$2,189 · 41 payments from 13 companies
- 2024$608.38 · 15 payments from 13 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Medtronic, Inc. | $1,215 | 13 |
| Sumitomo Pharma America, Inc. | $328.37 | 4 |
| Abbvie Inc. | $129.28 | 6 |
| Bayer Healthcare Pharmaceuticals Inc. | $128.01 | 2 |
| Endo USA, Inc. | $111.10 | 5 |
What the 2025 payments were for
- Food and Beverage$1,375 · 34 payments
- Travel and Lodging$778.50 · 6 payments
- Education$36.00 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 766 physician assistants in Columbus · All physician assistants in Ohio