Gretchen G. Barnas, M.D.
NPI 1013124114ActiveIndividual· Psychiatry & Neurology, Psychiatry· Kalamazoo, MI
Psychiatry & Neurology, Psychiatry (M.D.) in Kalamazoo, Michigan, trained at Michigan State University College of Human Medicine (class of 2004). Their prescriptions cost Medicare Part D more than their services did: $65,990 for 320 claims, against $6,055 paid for services in 2024.
Overview
| NPI | 1013124114 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | May 17, 2007 |
| Last updated in NPPES | May 28, 2013 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Psychiatry & Neurology, Psychiatry Primary | 2084P0800X | 4301084808 | MI |
| Psychiatry & Neurology, Psychiatry | 2084P0800X | MD442333 | PA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Psychiatry (MI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 17 |
|---|---|
| Services billed | 136 across 5 procedure codes |
| Paid by Medicare | $6,055 |
Part D prescriptions in 2024
| Prescriptions (claims) | 320 · 326 30-day fills |
|---|---|
| Patients | 26 |
| Total drug cost | $65,990 |
| Generic share | 90% of claims |
Education and affiliations
| Medical school | Michigan State University College of Human Medicine |
|---|---|
| Graduation year | 2004 |
| Medicare specialty | Psychiatry |
Medical group
- State of Michigan Office of Financial ManagementKalamazoo, MI · 22 clinicians
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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