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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: October 25, 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
Phone(740) 264-7751
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
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, CareSource, Molina Healthcare and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

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.

Medicare Billing Reassignment

Medicare enrollment records show William Mosier reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Chrysalis Health Ohio, LLC
Same address
Community/Behavioral Health
1524 SUNSET BLVD STE A
Steubenville, OH 43952
  • Reassigned Medicare billing, Ohio enrollment
  • 15 clinicians in this Medicare group
NPI 1003302886 (800) 691-6113

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Other Providers at the Same Location NPPES 16

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

CHRYSALIS HEALTH OHIO, LLC
Community/Behavioral Health
1524 SUNSET BLVD STE A
STEUBENVILLE, OH 43952
Jefferson County (800) 691-6113
MS. STACY JO BOSTON SOCIAL WORKER
Social Worker
1524 SUNSET BLVD STE A
STEUBENVILLE, OH 43952
Jefferson County (800) 691-6113
JORDAN STOMMES
Counselor (Mental Health)
1524 SUNSET BLVD STE A
STEUBENVILLE, OH 43952
Jefferson County (800) 691-6113
REBECCA MARIE MALINOWSKI B.F.A
Case Manager/Care Coordinator
1524 SUNSET BLVD STE A
STEUBENVILLE, OH 43952
Jefferson County (800) 691-6113
CHRYSALIS HEALTH OHIO, LLC
Counselor (Mental Health)
1524 SUNSET BLVD STE A
STEUBENVILLE, OH 43952
Jefferson County (800) 691-6113
RUBY ROESSLER LISW
Social Worker (Clinical)
1524 SUNSET BLVD STE A
STEUBENVILLE, OH 43952
Jefferson County (216) 302-8648
CARISSA KAY HENRY LPCC-S
Counselor (Mental Health)
1524 SUNSET BLVD STE A
STEUBENVILLE, OH 43952
Jefferson County (740) 264-7751
MS. RHONDA J. COOPER APRN-BC
Nurse Practitioner (Psychiatric/Mental Health)
1524 SUNSET BLVD STE A
STEUBENVILLE, OH 43952
Jefferson County (740) 264-7751

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.

Which organization bills Medicare for William Mosier's services?

According to the CMS Revalidation Reassignment List (October 2026 release), William Mosier reassigns Medicare benefits to Chrysalis Health Ohio, LLC (Steubenville, OH). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for William Mosier's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does William Mosier accept?

Health plans from Anthem Blue Cross and Blue Shield, CareSource, Molina Healthcare, Oscar Health Insurance and Oscar Insurance Corporation of Ohio 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 13 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.