Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MRS. MARIAN ANN MATTERN CNP, PMHNP, RN
NPI 1366799082
Nurse Practitioner in Youngstown, OH

Q: What is Marian Mattern's NPI number?

The NPI number for Marian Mattern is 1366799082. It was assigned to this individual provider in the NPPES registry on August 13, 2012. The provider is also known as Marian Ann Steele.

Q: What is Marian Mattern's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

Q: When was this NPI record last updated?

The NPPES record for Marian Mattern was last updated on July 31, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 37 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since August 13, 2012PECOS EnrolledAccepts Medicare Assignment

550 W CHALMERS AVE, YOUNGSTOWN, OH 44511(330) 797-0070 Get Directions Write a Review

NPPES record last updated: July 31, 2026. Verified against the NPPES registry weekly; last sync: August 30, 2026.

Record update history: Jul 31, 2026, Jan 9, 2023, Feb 22, 2019 and 1 more (4 updates tracked since 2016).

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About Mrs. Marian Ann Mattern Cnp, Pmhnp, Rn NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MRS. MARIAN ANN MATTERN CNP, PMHNP, RN (NPI 1366799082) is an individual nurse practitioner in Youngstown, Ohio, licensed in Ohio (APRN.CNP.13427) and active in the NPI registry since August 2012. She is enrolled in Medicare PECOS, maintains 4 additional practice locations, and is a graduate of Other (2020).

NPPES Registry Identity

NPI1366799082

Entity TypeIndividualFemale

Primary Taxonomy363L00000X

Provider Legal NameMRS. MARIAN ANN MATTERNCredential: CNP, PMHNP, RN

Location Address550 W CHALMERS AVEYoungstown, OH 44511-1576

Mailing Address527 N Meridian RdYoungstown, OH 44509-1227 · (330) 797-0070 · Fax (330) 797-9146

Phone(330) 797-0070

Sole ProprietorNo

Medical School CMSOtherGraduated 2020

Enumeration DateAugust 13, 2012

Last NPPES UpdateJuly 31, 20264 updates tracked since enumeration

NPPES CertifiedJuly 31, 2026

✔ NPI 1366799082 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 5

★ Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363L00000X

Licenses✔ Licensed in OH · APRN.CNP.13427✔ Licensed in OH · COA.13427.NP

Definition

(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.

Also ListedRegistered NurseTaxonomy 163W00000X · License RN757290 (PA), RN.330047 (OH)

Also ListedPsychiatry & Neurology · Addiction PsychiatryTaxonomy 2084P0802X · License COA13427NP (OH)

Also ListedNurse Practitioner · Adult HealthTaxonomy 363LA2200X · License SP026529 (PA), APRN.CNP.13427 (OH)

Also ListedNurse Practitioner · Psychiatric/Mental HealthTaxonomy 363LP0808X · License APRN.CNP.13427 (OH), SP026528 (PA)

550 W CHALMERS AVE, Youngstown, OH 44511

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Other Names 1

Former Name (1)Marian Ann Steele

Secondary Practice Locations 4

Location 1726 Wick AveYoungstown, OH 44505-2827 · Phone (330) 747-9551 ext. 175 · Fax (330) 884-6120

Location 28255 South AveYoungstown, OH 44512-6483 · Phone (330) 797-0070 · Fax (330) 797-9146

Location 3320 High St NEWarren, OH 44481-1222 · Phone (330) 797-0070

Location 4527 N Meridian RdYoungstown, OH 44509-1227 · Phone (330) 797-0070 · Fax (330) 797-9146

Other Identifiers 2

Medicaid0082611OH

Other12428078OH · Caqh

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Buckeye Health Plan, Ambetter from Meridian, Ambetter Health and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Mrs. Marian Ann Mattern Cnp, Pmhnp, Rn is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID9436387420

PECOS Enrollment IDI20140121001556

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

51 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 44511 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$84.72 typical visit price

range $54.34 – $166.65

Typical copayment $21.18 (range $13.58 – $41.66)

Most-billed visit code 99203

Established Patient

$96.44 typical visit price

range $17.10 – $135.40

Typical copayment $24.11 (range $4.27 – $33.85)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

CHRISTIAN CLARK

Community/Behavioral Health