Craig A. Lemmen, MD
NPI 1679586002ActiveIndividual· Psychiatry & Neurology, Psychiatry· Ann Arbor, MI
Psychiatry & Neurology, Psychiatry (MD) in Ann Arbor, Michigan, trained at University of Michigan Medical School (class of 1993). Their prescriptions cost Medicare Part D more than their services did: $17,114 for 427 claims, against $6,490 paid for services in 2024.
Overview
| NPI | 1679586002 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Aug 15, 2006 |
| Last updated in NPPES | Aug 13, 2015 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Psychiatry & Neurology, Psychiatry Primary | 2084P0800X | 4301048150 | MI |
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 | 20 |
|---|---|
| Services billed | 87 across 4 procedure codes |
| Paid by Medicare | $6,490 |
Part D prescriptions in 2024
| Prescriptions (claims) | 427 · 838 30-day fills |
|---|---|
| Patients | 45 |
| Total drug cost | $17,114 |
| Generic share | 98% of claims |
Education and affiliations
| Medical school | University of Michigan Medical School |
|---|---|
| Graduation year | 1993 |
| Medicare specialty | Psychiatry |
| Telehealth | Offers telehealth |
Medical group
- Rmj1Ann Arbor, MI · 6 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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