Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

On-Site Companionship Services LLC

Assisted Living Facility in Pittsburgh, PA · enumerated 2020 · authorized official Steven Williams, Ceo.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1467079319

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Registry record

Entity type Organization (Type 2)

Legal business name On-Site Companionship Services LLC

Practice address 1425 Oberlin St, Pittsburgh, PA, 15206

Phone (412) 901-1341

Enumeration date Jun 26, 2020

Last updated in NPPES Jul 16, 2020

Taxonomy & classification

310400000X Assisted Living Facility Nursing & Custodial Care Facilities Primary

3104A0625X Assisted Living Facility (Mental Illness) Nursing & Custodial Care Facilities Secondary

3104A0630X Assisted Living Facility (Behavioral Disturbances) Nursing & Custodial Care Facilities Secondary

385H00000X Respite Care Respite Care Facility Secondary

Authorized official

Name Steven Williams

Title Ceo

Phone (412) 606-7095

Other identifiers

Identifier	Type	State	Issuer
103499208	Medicaid	PA	-

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

What type of organization is On-Site Companionship Services LLC?

On-Site Companionship Services LLC is registered in NPPES as a Assisted Living Facility (its primary provider taxonomy).

What is a Type 2 NPI?

A Type 2 NPI identifies an organization (group practice, hospital, pharmacy, lab), while Type 1 NPIs identify individual providers. Organizations bill under their Type 2 NPI.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2020-07-16.