WILLIAM C MOSIER LPC
NPI 1982376786
Counselor - Mental Health in Steubenville, OH

Active since September 30, 2021PECOS EnrolledAccepts Medicare Assignment
1524 SUNSET BLVD STE A, STEUBENVILLE, OH 43952(740) 264-7751(740) 264-2422 Get Directions Write a Review

NPPES record last updated: September 5, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Sep 5, 2025, Sep 6, 2023, Sep 30, 2021 (3 updates tracked since 2021).

About William C Mosier Lpc NPPES

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

WILLIAM C MOSIER LPC (NPI 1982376786) is an individual mental health provider in Steubenville, Ohio, licensed in Ohio (E.2505702) and active in the NPI registry since September 2021. He is enrolled in Medicare PECOS and is a graduate of Other (2022).

NPPES Registry Identity

NPI1982376786
Entity TypeIndividualMale
Primary Taxonomy101YM0800X
Provider Legal NameWILLIAM C MOSIERCredential: LPC
Location Address1524 SUNSET BLVD STE ASteubenville, OH 43952-1380
Mailing Address5801 Buchanan RdWaterford, OH 45786-6069 · (740) 629-4095
Fax(740) 264-2422
Sole ProprietorNo
Medical School CMSOtherGraduated 2022
Enumeration DateSeptember 30, 2021
Last NPPES UpdateSeptember 5, 20253 updates tracked since enumeration
NPPES CertifiedSeptember 5, 2025
NPI 1982376786 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyCounselor · Mental HealthBehavioral Health & Social Service Providers
Taxonomy Code101YM0800X
Licenses Licensed in OH · E.2505702 Licensed in OH · C.2204611
Also ListedCounselorTaxonomy 101Y00000X · License C.2103537-TRNE (OH)
1524 SUNSET BLVD STE A, Steubenville, OH 43952

Accepted 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

William C Mosier Lpc 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 ID5799276044
PECOS Enrollment IDI20251114000095
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.

Other Providers at the Same Location NPPES 17

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

Community/Behavioral Health
1524 SUNSET BLVD STE A
STEUBENVILLE, OH 43952
Social Worker
1524 SUNSET BLVD STE A
STEUBENVILLE, OH 43952
Counselor (Mental Health)
1524 SUNSET BLVD STE A
STEUBENVILLE, OH 43952
Case Manager/Care Coordinator
1524 SUNSET BLVD STE A
STEUBENVILLE, OH 43952
Counselor (Mental Health)
1524 SUNSET BLVD STE A
STEUBENVILLE, OH 43952
Social Worker (Clinical)
1524 SUNSET BLVD STE A
STEUBENVILLE, OH 43952
Counselor (Mental Health)
1524 SUNSET BLVD STE A
STEUBENVILLE, OH 43952
Nurse Practitioner (Psychiatric/Mental Health)
1524 SUNSET BLVD STE A
STEUBENVILLE, OH 43952

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is William Mosier's NPI number?

The NPI number for William Mosier is 1982376786. It was assigned to this individual provider in the NPPES registry on September 30, 2021.

Where is William Mosier located?

William Mosier practices at 1524 Sunset Blvd Ste A, Steubenville, OH 43952. The listed phone number is (740) 264-7751.

What is William Mosier's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Mental Health, with taxonomy code 101YM0800X.

Is William Mosier enrolled in Medicare?

Yes. William Mosier is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does William Mosier accept?

Health plans from Anthem Blue Cross and Blue Shield and CareSource list William Mosier as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for William Mosier was last updated on September 5, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 months 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.