William Mosier, LPC
NPI 1982376786 · Mental Health Counselor · Steubenville, OH
Enrolled with Medicare as Practitioner - Mental Health Counselor · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Mosier, LPC is a Mental Health Counselor provider in Steubenville, OH (NPI 1982376786).
Provider details
- NPI number
- 1982376786
- Entity type
- Individual
- Primary specialty
- Mental Health CounselorBehavioral Health & Social Service Providers
- Credential
- LPC
- Sex
- Male
- Sole proprietor
- No
- License
- C.2204611 (OH)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Behavioral Health & Social Service Providers
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
4 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2021-09-30
- Last updated
- 2025-09-05
- Certified
- 2025-09-05
Frequently asked questions
- What is William Mosier's NPI number?
- William Mosier's National Provider Identifier (NPI) is 1982376786, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Mosier's specialty?
- William Mosier is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).
- Where is William Mosier located?
- William Mosier's practice location on file with NPPES is 1524 Sunset Blvd Ste a, Steubenville, OH 43952-1380.
- What is William Mosier's phone number?
- The practice phone number listed in the NPPES registry for William Mosier is (740) 264-7751.
- Does William Mosier accept Medicare?
- William Mosier is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Mosier's NPI active?
- Yes — William Mosier's NPI (1982376786) is active in the NPPES registry as of the last update on 2025-09-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.