NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Clifton Raymond Tennison Jr., MD

Psychiatry Physician in Knoxville, TN · enumerated 2006 · practices at Helen Ross Mcnabb Center.

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

National Provider Identifier

1598855322

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)
Name Clifton Raymond Tennison Jr.
Credential MD
Sex Male
Practice address 201 W Springdale Ave, Knoxville, TN, 37917
Enumeration date Oct 13, 2006
Last updated in NPPES Apr 26, 2011

Taxonomy & licenses

2084P0800X Psychiatry Physician Allopathic & Osteopathic Physicians · License MD14706 (TN) Primary
MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

Other identifiers

Identifier Type State Issuer
65214 Other TN BLUE CROSS

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

How do I verify Clifton Tennison's NPI record?
Cross-check NPI 1598855322 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.
Is NPI 1598855322 active?
Yes, as of the latest NPPES snapshot, NPI 1598855322 is active (record last updated 2011-04-26).

Other providers at this practice address

Browse all →

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2011-04-26.