Individual Healthcare Provider
Marian Ann Mattern, CNP, PMHNP, RN
Provider's NPPES record last updated: July 31, 2026
Overview
- Entity Type
- Individual Healthcare Provider
- NPI
- 1366799082
- Primary Specialty
- Nurse Practitioner
- Practice Location
- Youngstown, Ohio
- Sole Proprietor
- No
Federal Screening
NPISignal checked this NPI against federal exclusion sources. Results below are based on the NPI number itself — an identifier match, not a name match.
List of Excluded Individuals/Entities (LEIE)
HHS Office of Inspector General
No potential match was identified in NPISignal's indexed List of Excluded Individuals/Entities (LEIE) records as of 2026-09-10.
- Source data
- September 10, 2026
- Records indexed
- 84,001
- Screened
- Sep 20, 2026, 3:51 AM UTC
This reflects only the records NPISignal currently holds and the identity information supplied. It is not a verification of eligibility, licensure, or compliance. Verify decisions that matter against the authoritative source.
SAM.gov Exclusions
U.S. General Services Administration
SAM.gov Exclusions was not checked.
SAM.gov screening is not configured on this deployment. No SAM check has been performed.
- Screened
- Not checked
This is an NPI-based check only. NPISignal does not publish name-based exclusion matches on a provider profile. A shared or similar name is a lead that requires human review, not an identification, and this page is not the place to make one. Run a name-based screening below to see potential matches with the reasons for each.
This reflects only the records NPISignal currently holds and the identity information supplied. It is not a verification of eligibility, licensure, or compliance. Verify decisions that matter against the authoritative source.
Searches OIG LEIE and SAM.gov by name and reviews every potential match.
Specialties & Taxonomies
- Primary
Nurse Practitioner
Physician Assistants & Advanced Practice Nursing Providers
(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.
Taxonomy code 363L00000X Registered Nurse
Nursing Service Providers
(1) A registered nurse is a person qualified by graduation from an accredited nursing school (depending upon schooling, a registered nurse may receive either a diploma from a hospital program, an associate degree in nursing (A.D.N.) or a Bachelor of Science degree in nursing (B.S.N.), who is licensed or certified by the state, and is practicing within the scope of that license or certification. R.N.'s assist patient in recovering and maintaining their physical or mental health. They assist physicians during treatments and examinations and administer medications. (2) A provider who is trained and educated in a formal nursing education program at an accredited school of nursing, passes a national certification examination, and is licensed by the state to practice nursing. The individual provides nursing services to patients or clients in areas such as health promotion, disease prevention, acute and chronic care and restoration and maintenance of health across the life span.
Taxonomy code 163W00000XNurse Practitioner
Psychiatric/Mental Health
Physician Assistants & Advanced Practice Nursing Providers
Definition to come...
Taxonomy code 363LP0808XPsychiatry & Neurology
Addiction Psychiatry
Allopathic & Osteopathic Physicians
Addiction Psychiatry is a subspecialty of psychiatry that focuses on evaluation and treatment of individuals with alcohol, drug, or other substance-related disorders, and of individuals with dual diagnosis of substance-related and other psychiatric disorders.
Taxonomy code 2084P0802XNurse Practitioner
Adult Health
Physician Assistants & Advanced Practice Nursing Providers
Definition to come...
Taxonomy code 363LA2200X
Provider-Reported License Information
- Nurse Practitioner (Ohio)
- APRN.CNP.13427
- Registered Nurse (Pennsylvania)
- RN757290
- Nurse Practitioner (Ohio)
- APRN.CNP.13427
- Psychiatry & Neurology (Ohio)
- COA13427NP
- Nurse Practitioner (Ohio)
- COA.13427.NP
- Nurse Practitioner (Pennsylvania)
- SP026529
- Registered Nurse (Ohio)
- RN.330047
- Nurse Practitioner (Ohio)
- APRN.CNP.13427
- Nurse Practitioner (Pennsylvania)
- SP026528
Practice Locations
Practice Location
550 W Chalmers Ave
Youngstown, Ohio 44511-1576
Phone: (330) 797-0070
Additional Practice Location
726 Wick Ave
Youngstown, Ohio 44505-2827
Phone: (330) 747-9551
Fax: (330) 884-6120
Additional Practice Location
8255 South Ave
Youngstown, Ohio 44512-6483
Phone: (330) 797-0070
Fax: (330) 797-9146
Additional Practice Location
320 High St Ne
Warren, Ohio 44481-1222
Phone: (330) 797-0070
Additional Practice Location
527 N Meridian Rd
Youngstown, Ohio 44509-1227
Phone: (330) 797-0070
Fax: (330) 797-9146
Record Information
- Enumeration Date
- August 13, 2012
- Provider's NPPES Record Last Updated
- July 31, 2026
- Certification Date
- July 31, 2026
- NPISignal NPPES Dataset
- August 2026
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