Mark P. McLain, MD
NPI 1649318486ActiveIndividual· Psychiatry & Neurology, Psychiatry· Ridgeland, MS
Opted out of Medicare from January 2013 to January 2027. Psychiatry & Neurology, Psychiatry (MD) in Ridgeland, Mississippi, trained at Mississippi Medical College (class of 1989). Part D covered 1,452 prescriptions written in 2024, 98% of them generic. Abbvie Inc. was the largest of 9 companies reporting payments in 2025, $738.24 in all, mostly food and beverage.
Overview
| NPI | 1649318486 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Feb 2, 2007 |
| Last updated in NPPES | Dec 17, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Psychiatry & Neurology, Psychiatry Primary | 2084P0800X | 11748 | MS |
| Psychiatry & Neurology, Psychiatry | 2084P0800X | 11748 | MO |
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) | Not in the public enrollment file of Oct 1, 2026 |
|---|---|
| Opt-out | Opted out Jan 1, 2013 – Jan 1, 2027 |
| Can order and refer | Yes |
During an opt-out period the provider sees Medicare patients only under private contracts, and Medicare does not pay claims for their services.
Part D prescriptions in 2024
| Prescriptions (claims) | 1,452 · 2,120 30-day fills |
|---|---|
| Patients | 105 |
| Total drug cost | $41,213 |
| Generic share | 98% of claims |
Education and affiliations
| Medical school | Mississippi Medical College |
|---|---|
| Graduation year | 1989 |
| Medicare specialty | Psychiatry |
Industry payments (Open Payments)
- 2025$738.24 · 37 payments from 9 companies
- 2024$817.68 · 40 payments from 11 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $226.82 | 13 |
| E.R. Squibb & Sons, L.L.C. | $152.63 | 7 |
| Vanda Pharmaceuticals Inc. | $89.64 | 3 |
| Neurocrine Biosciences, Inc. | $88.50 | 4 |
| Supernus Pharmaceuticals, Inc. | $60.63 | 4 |
What the 2025 payments were for
- Food and Beverage$738.24 · 37 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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