Christiana Angelina Dewys, PA-C
NPI 1225515349ActiveIndividual· Physician Assistant· Kalamazoo, MI
Physician Assistant (PA-C) with Advantage Health/Saint Mary's Medical Group, practicing in Kalamazoo, Michigan. Their prescriptions cost Medicare Part D more than their services did: $778,062 for 236 claims, against $4,357 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 2 companies reporting payments in 2025, $120.00 in all, mostly education. Lists Mercy Health Saint Mary's and 1 other hospital as hospital affiliations.
Overview
| NPI | 1225515349 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | No |
| NPI issued | Jul 21, 2018 |
| Last updated in NPPES | Oct 3, 2023 |
| Certified by provider | Oct 3, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | 5601008753 | 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) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 36 |
|---|---|
| Services billed | 103 across 11 procedure codes |
| Paid by Medicare | $4,357 |
Part D prescriptions in 2024
| Prescriptions (claims) | 236 · 301 30-day fills |
|---|---|
| Patients | 65 |
| Total drug cost | $778,062 |
| Generic share | 69% of claims |
Education and affiliations
| Graduation year | 2018 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical group
- Advantage Health/Saint Mary's Medical GroupCaledonia, MI · 505 clinicians
Hospital affiliations
- Mercy Health Saint Mary'sGrand Rapids, MI
- Trinity Health Muskegon HospitalMuskegon, MI
Industry payments (Open Payments)
- 2025$120.00 · 2 payments from 2 companies
- 2024$258.93 · 5 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $99.00 | 1 |
| Merck Sharp & Dohme LLC | $21.00 | 1 |
What the 2025 payments were for
- Education$99.00 · 1 payment
- Food and Beverage$21.00 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 180 physician assistants in Kalamazoo · All physician assistants in Michigan