Matthew S. Markis, D.O.
NPI 1780944470ActiveIndividual· Psychiatry & Neurology, Psychiatry· Calabasas, CA
Opted out of Medicare from March 2017 to March 2027. Psychiatry & Neurology, Psychiatry (D.O.) in Calabasas, California, licensed in CA, with an NPI issued in May 2012. Part D covered 192 prescriptions written in 2024, 76% of them generic. Abbvie Inc. was the largest of 14 companies reporting payments in 2025, $1,827 in all, mostly food and beverage.
Overview
| NPI | 1780944470 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | Yes |
| NPI issued | May 29, 2012 |
| Last updated in NPPES | Sep 24, 2026 |
| Certified by provider | Sep 24, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Psychiatry & Neurology, Psychiatry Primary | 2084P0800X | 20A14557 | CA |
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 Mar 13, 2017 – Mar 13, 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) | 192 · 284 30-day fills |
|---|---|
| Patients | 18 |
| Total drug cost | $93,701 |
| Generic share | 76% of claims |
Industry payments (Open Payments)
- 2025$1,827 · 63 payments from 14 companies
- 2024$1,112 · 46 payments from 11 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $733.90 | 24 |
| Iti, Inc. (D/B/A Intra-Cellular Therapies, Inc.) | $231.74 | 6 |
| Otsuka America Pharmaceutical, Inc. | $211.40 | 5 |
| Lundbeck LLC | $119.24 | 4 |
| Takeda Pharmaceuticals U.S.A., Inc. | $93.46 | 4 |
What the 2025 payments were for
- Food and Beverage$1,827 · 63 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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