Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Alexander Guest House

Q: What is the NPI number for Alexander Guest House?

The NPI for Alexander Guest House is 1225578024, a Type 2 (organization) record in the CMS NPPES registry.

Assisted Living Facility in Oak Ridge, TN · enumerated 2017 · authorized official Christina Trentham, Vp of Operations.

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

National Provider Identifier

1225578024

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Registry record

Entity type Organization (Type 2)

Legal business name Alexander Guest House

Practice address 210 E Madison Rd, Oak Ridge, TN, 37830

Phone (865) 294-5489

Fax (865) 294-5491

Enumeration date Feb 28, 2017

Last updated in NPPES Feb 28, 2017

Taxonomy & classification

310400000X Assisted Living Facility Nursing & Custodial Care Facilities · License ACL0000000444 (TN) Primary

Authorized official

Name Christina Trentham

Title Vp of Operations

Phone (865) 293-6563

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 is the NPI number for Alexander Guest House?

The NPI for Alexander Guest House is 1225578024, a Type 2 (organization) record in the CMS NPPES registry.

Who is the authorized official for Alexander Guest House?

NPPES lists Christina Trentham (Vp of Operations) as the authorized official for this organization.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2017-02-28.