Michael J. Rack, MD
NPI 1639194566ActiveIndividual· Psychiatry & Neurology, Psychiatry· Memphis, TN
Psychiatry & Neurology, Psychiatry (MD) in Memphis, Tennessee, trained at University of Iowa, Rj & L Carver College of Medicine (class of 1997). 84 Medicare patients in 2024, $5,209 paid; nearly all of their 330 Part D prescriptions were generic (94%). Iti, Inc. (D/B/A Intra-Cellular Therapies, Inc.) was the largest of 11 companies reporting payments in 2025, $296.54 in all, mostly food and beverage.
Overview
| NPI | 1639194566 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Jul 13, 2006 |
| Last updated in NPPES | Jul 13, 2020 |
| Certified by provider | Jul 13, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Psychiatry & Neurology, Psychiatry Primary | 2084P0800X | 52844 | TN |
| Specialist | 174400000X | 17682 | MS |
| Psychiatry & Neurology, Psychiatry | 2084P0800X | 17682 | MS |
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 - Sleep Medicine (AR); Practitioner - Psychiatry (MS); Practitioner - Psychiatry (TN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 84 |
|---|---|
| Services billed | 104 across 9 procedure codes |
| Paid by Medicare | $5,209 |
Part D prescriptions in 2024
| Prescriptions (claims) | 330 · 338 30-day fills |
|---|---|
| Patients | 24 |
| Total drug cost | $6,155 |
| Generic share | 94% of claims |
Education and affiliations
| Medical school | University of Iowa, Rj & L Carver College of Medicine |
|---|---|
| Graduation year | 1997 |
| Medicare specialty | Psychiatry |
| Secondary specialties | Internal Medicine, Sleep Medicine |
| Telehealth | Offers telehealth |
Medical group
- Vogelfanger and Struble ClinicMemphis, TN · 11 clinicians
Industry payments (Open Payments)
- 2025$296.54 · 15 payments from 11 companies
- 2024$308.29 · 16 payments from 8 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Iti, Inc. (D/B/A Intra-Cellular Therapies, Inc.) | $78.99 | 4 |
| Collegium Pharmaceutical, Inc. | $35.63 | 2 |
| Vanda Pharmaceuticals Inc. | $25.98 | 1 |
| Takeda Pharmaceuticals U.S.A., Inc. | $22.39 | 1 |
| Axsome Therapeutics, Inc. | $21.25 | 1 |
What the 2025 payments were for
- Food and Beverage$296.54 · 15 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 102 psychiatrists in Memphis · All psychiatrists in Tennessee