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NPISignal

Individual Healthcare Provider

Marian Ann Mattern, CNP, PMHNP, RN

NPI Record: ActiveNurse Practitioner
NPI1366799082
Youngstown, Ohio

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 identified

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

Not checked

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.

Run a name-based screening

Searches OIG LEIE and SAM.gov by name and reviews every potential match.

Specialties & Taxonomies

  • Nurse Practitioner

    Physician Assistants & Advanced Practice Nursing Providers

    Primary

    (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 163W00000X
  • Nurse Practitioner

    Psychiatric/Mental Health

    Physician Assistants & Advanced Practice Nursing Providers

    Definition to come...

    Taxonomy code 363LP0808X
  • Psychiatry & 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 2084P0802X
  • Nurse 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
License numbers are reported by the provider to NPPES and are not independently verified by NPISignal against any state licensing board. Confirm current license status directly with the issuing state board.

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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