Marian Ann Mattern, CNP, PMHNP, RN
NPI 1366799082ActiveIndividual· Nurse Practitioner· Youngstown, OH
Nurse Practitioner (CNP, PMHNP, RN) with Meridian Healthcare and 1 other group, practicing in Youngstown, Ohio. Their prescriptions cost Medicare Part D more than their services did: $80,596 for 1,402 claims, against $3,462 paid for services in 2024. Iti, Inc. (D/B/A Intra-Cellular Therapies, Inc.) was the largest of 7 companies reporting payments in 2025, $259.97 in all, mostly food and beverage.
Overview
| NPI | 1366799082 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | CNP, PMHNP, RN |
| Sole proprietor | No |
| NPI issued | Aug 13, 2012 |
| Last updated in NPPES | Jul 31, 2026 |
| Certified by provider | Jul 31, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner Primary | 363L00000X | APRN.CNP.13427 | OH |
| Registered Nurse | 163W00000X | RN757290 | PA |
| Nurse Practitioner, Psych/Mental Health | 363LP0808X | APRN.CNP.13427 | OH |
| Psychiatry & Neurology, Addiction Psychiatry | 2084P0802X | COA13427NP | OH |
| Nurse Practitioner | 363L00000X | COA.13427.NP | OH |
| Nurse Practitioner, Adult Health | 363LA2200X | SP026529 | PA |
| Registered Nurse | 163W00000X | RN.330047 | OH |
| Nurse Practitioner, Adult Health | 363LA2200X | APRN.CNP.13427 | OH |
| Nurse Practitioner, Psych/Mental Health | 363LP0808X | SP026528 | 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 - Nurse Practitioner (OH) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 11 |
|---|---|
| Services billed | 58 across 3 procedure codes |
| Paid by Medicare | $3,462 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,402 · 1,429 30-day fills |
|---|---|
| Patients | 92 |
| Total drug cost | $80,596 |
| Generic share | 89% of claims |
Education and affiliations
| Graduation year | 2020 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical groups
- Meridian HealthcareYoungstown, OH · 24 clinicians
- H O P E Counseling and Addiction Services LLCYoungstown, OH · 2 clinicians
Industry payments (Open Payments)
- 2025$259.97 · 9 payments from 7 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Iti, Inc. (D/B/A Intra-Cellular Therapies, Inc.) | $130.00 | 1 |
| Lundbeck LLC | $31.17 | 2 |
| Otsuka America Pharmaceutical, Inc. | $28.51 | 2 |
| Alkermes, Inc. | $20.93 | 1 |
| Braeburn Inc. | $18.30 | 1 |
What the 2025 payments were for
- Food and Beverage$259.97 · 9 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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