Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mr. Alden Ralph Gardner, SR. PSYCH EXAMINER

Specialist in Knoxville, TN · enumerated 2006.

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

National Provider Identifier

1598834624

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Registry record

Entity type Individual (Type 1)

Name Mr. Alden Ralph Gardner

Credential SR. PSYCH EXAMINER

Sex Male

Practice address 1901 W Clinch Ave, Patricia Neal Rehabilitation Center, Knoxville, TN, 37916

Phone (865) 541-1699

Fax (865) 541-4909

Enumeration date Nov 6, 2006

Last updated in NPPES Jul 8, 2007

Taxonomy & licenses

174400000X Specialist Other Service Providers · License PE 0000000032 (TN) Primary

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 Alden Gardner?

The National Provider Identifier (NPI) for Alden Gardner is 1598834624, a Type 1 (individual) record in the CMS NPPES registry.

Where does Alden Gardner practice?

The practice location on file with NPPES is in Knoxville, TN. Providers can have multiple locations; NPPES lists the primary practice address.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.