Karen Guy Grajewski, MD
NPI 1518351477ActiveIndividual· Radiology, Diagnostic Radiology· Ann Arbor, MI
Radiology, Diagnostic Radiology (MD) in Ann Arbor, Michigan, trained at University of Michigan Medical School (class of 2015). Medicare paid $81,521 for services to 1,766 patients in 2024.
Overview
| NPI | 1518351477 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Mar 27, 2015 |
| Last updated in NPPES | Jul 1, 2020 |
| Certified by provider | Jul 1, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Radiology, Diagnostic Radiology Primary | 2085R0202X | 4301119185 | 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 - Diagnostic Radiology (MI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 1,766 |
|---|---|
| Services billed | 2,171 across 101 procedure codes |
| Paid by Medicare | $81,521 |
Education and affiliations
| Medical school | University of Michigan Medical School |
|---|---|
| Graduation year | 2015 |
| Medicare specialty | Diagnostic Radiology |
Medical groups
- Huron Valley Radiology PCAnn Arbor, MI · 76 clinicians
- X-Ray Consultants IncClarkston, MI · 40 clinicians
Hospital affiliations
- Chelsea HospitalChelsea, MI
- St Joe Mercy Hospital System LivoniaLivonia, MI
- Trinity Health Ann Arbor HospitalAnn Arbor, MI
- Trinity Health Livingston HospitalHowell, MI
- Trinity Health Oakland HospitalPontiac, MI
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 258 diagnostic radiologists in Ann Arbor · All diagnostic radiologists in Michigan