William C Mosier, LPC

Primary specialty

Mental Health CounselorTaxonomy code 101YM0800X

License

E.2505702 Issued in OH

Practice address

1524 Sunset Blvd Ste a
Steubenville, OH 43952-1380

Phone

(740) 264-7751

Fax

(740) 264-2422

NPI assigned

Sep 30, 2021

Sex

Male

Sole proprietor

No

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 3

Addresses

Medicare fee-for-service enrollment

Enrolled in OH

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: No
• Power mobility devices: No
• Hospice: No

Green means eligible to order or refer.

Enrollment records 1

Specialty

Mental Health Counselor

Education

Other, 2022

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Chrysalis Health Ohio, LLCGroup PAC ID 0941610919, 11 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

State licenses

Practice roles

Locations

Interoperability endpoints

• FHIR API: https://fhir.nextgen.com/nge/prod/fhir-api-r4/fhir/r4/

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

• Chrysalis Health Ohio, LLC

  • Community/Behavioral Health Agency
  • Steubenville, OH
  • NPI 1003302886
  Medicare reassignment Care Compare group NPD
• L & P Services, Inc.

  • Public Health or Welfare Agency
  • Marietta, OH
  • NPI 1942289301
  NPD (past)
• Pfeifer Counseling, Consulting and Training LLC

  • Professional Counselor
  • Williamstown, WV
  • NPI 1841657749

  Mental Health

  NPD (past)

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1632960000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757030400000",
    "number": "1982376786",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "5801 BUCHANAN RD",
            "city": "WATERFORD",
            "state": "OH",
            "postal_code": "457866069",
            "telephone_number": "740-629-4095"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1524 SUNSET BLVD STE A",
            "city": "STEUBENVILLE",
            "state": "OH",
            "postal_code": "439521380",
            "telephone_number": "740-264-7751",
            "fax_number": "740-264-2422"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MOSIER",
        "first_name": "WILLIAM",
        "middle_name": "C",
        "credential": "LPC",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2021-09-30",
        "last_updated": "2025-09-05",
        "certification_date": "2025-09-05",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "101YM0800X",
            "taxonomy_group": "",
            "desc": "Counselor, Mental Health",
            "state": "OH",
            "license": "C.2204611",
            "primary": false
        },
        {
            "code": "101YM0800X",
            "taxonomy_group": "",
            "desc": "Counselor, Mental Health",
            "state": "OH",
            "license": "E.2505702",
            "primary": true
        },
        {
            "code": "101Y00000X",
            "taxonomy_group": "",
            "desc": "Counselor",
            "state": "OH",
            "license": "C.2103537-TRNE",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Morgantown Area Private Duty, LLC
• Theresa Lyn Morin
• Morisetty Medical Associates, Inc.
• Teresa A Morris, RN
• Wendy Morris
• Taylor M Mosti, QMHS
• Muhammad Mubeen, M.D.
• Edwin Thomas Mullavey Jr., P.C.C.
• Mupas-Chinakarn Associates, Inc
• Kristi N. Murphy, PT, DPT

• Mental Health Counselor in Steubenville, OH
• Providers in Steubenville, OH by specialty
• Mental Health Counselor in Ohio

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 5, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.