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Caleb Warren, M.D.

Family Medicine Physician in Knoxville, TN · enumerated 2006.

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

National Provider Identifier

1801861786

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Registry record

Entity type Individual (Type 1)
Name Caleb Warren
Credential M.D.
Sex Male
Practice address 3403 Tazewell Pike, Suite 102, Knoxville, TN, 37918
Phone (865) 689-9966
Fax (865) 689-0910
Enumeration date Feb 22, 2006
Last updated in NPPES Jun 22, 2020

Taxonomy & licenses

207Q00000X Family Medicine Physician Allopathic & Osteopathic Physicians · License MD028800 (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
4317845 Other TN BCBS
080129118 Other TN RAILROAD MEDICARE
01-41213 Other TN UNITED HEALTHCARE PROVIDE
3104837 Other TN BLUE CROSS BLUE SHIELD TN
3827019 Medicaid TN -
5374697 Other TN AETNA PROVIDER NUMBER
62175607102 Other TN JOHN DEERE HEALTH PROVIDE

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.

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Frequently asked questions

What is the NPI number for Caleb Warren?
The National Provider Identifier (NPI) for Caleb Warren is 1801861786, a Type 1 (individual) record in the CMS NPPES registry.
Where does Caleb Warren practice?
The practice location on file with NPPES is in Knoxville, TN. Providers can have multiple locations; NPPES lists the primary practice address.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2020-06-22.