Ryan Robert Johnston, PA-C
NPI 1881777373ActiveIndividual· Physician Assistant· Highland, MI
Physician Assistant (PA-C) with Cedar Bay Medicine PC, practicing in Highland, Michigan. Part D covered 3,749 prescriptions written in 2024, 86% of them generic. Astellas Pharma US Inc was the largest of 18 companies reporting payments in 2025, $1,281 in all, mostly food and beverage. Lists Huron Valley-Sinai Hospital and 1 other hospital as hospital affiliations.
Overview
| NPI | 1881777373 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | No |
| NPI issued | Oct 20, 2006 |
| Last updated in NPPES | Jan 6, 2022 |
| Certified by provider | Jan 6, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | 5601004679 | MI |
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 (MI) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 3,749 · 7,463 30-day fills |
|---|---|
| Patients | 520 |
| Total drug cost | $367,907 |
| Generic share | 86% of claims |
Education and affiliations
| Graduation year | 2005 |
|---|---|
| Medicare specialty | Physician Assistant |
| Telehealth | Offers telehealth |
Medical group
- Cedar Bay Medicine PCHighland, MI · 7 clinicians
Hospital affiliations
- Huron Valley-Sinai HospitalCommerce Township, MI
- Trinity Health Oakland HospitalPontiac, MI
Industry payments (Open Payments)
- 2025$1,281 · 61 payments from 18 companies
- 2024$1,004 · 57 payments from 21 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astellas Pharma US Inc | $260.81 | 6 |
| Astrazeneca Pharmaceuticals LP | $143.17 | 9 |
| Lilly USA, LLC | $132.75 | 8 |
| Pfizer Inc. | $111.94 | 6 |
| Otsuka America Pharmaceutical, Inc. | $110.32 | 7 |
What the 2025 payments were for
- Food and Beverage$1,103 · 59 payments
- Education$177.99 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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