NPI Portal NPI Lookup & Verification

Dr. Charles G Miller II, DO

Dr. Charles G Miller II is a Internal Medicine Physician provider (Internal Medicine) practicing in Erwin, TN, registered in the NPPES registry with NPI 1366492639 since 2006. The credential DO stands for Doctor of Osteopathic Medicine. Practices at Unaka Internal Medicine, LLC (listed at the same practice address in NPPES).

✓ Active NPI ✓ Valid NPI checksum

NPI 1366492639
Entity type Individual (Type 1)
Name Dr. Charles G Miller II
Credential DO
Sex Male
Practice address 500 LOVE ST, Erwin, TN, 37650
Phone 4237354160
Fax 4237354159
Enumeration date 2006-05-10
Last updated in NPPES 2020-02-13

Taxonomy & licenses

Taxonomy code Specialty Primary License State
207R00000X Internal Medicine Physician Primary DO0000001740 TN

DO — Doctor of Osteopathic Medicine: A fully licensed physician trained in osteopathic medical schools, with the same practice rights as an MD. About the DO credential

Copy-ready billing details
Provider: Charles Miller, DO
NPI: 1366492639
Taxonomy: 207R00000X (Internal Medicine Physician)
Address: 500 LOVE ST, Erwin, TN, 37650

Other providers at this practice address

NPI Name Type Specialty Location
1619904570 Unaka Internal Medicine, LLC Organization Internal Medicine Physician Erwin, TN
1336700889 Laura Berry Individual Family Nurse Practitioner Erwin, TN
1629741434 Brooklyn Whitson Individual Nurse Practitioner Erwin, TN

Verify this record

Cross-check NPI 1366492639 against the authoritative CMS record: view Dr. Charles G Miller II on the official NPPES registry .

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 or validate an NPI number.

Frequently asked questions

Where does Charles Miller practice?
The practice location on file with NPPES is in Erwin, TN. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Charles Miller?
The National Provider Identifier (NPI) for Charles Miller is 1366492639, a Type 1 (individual) record in the CMS NPPES registry.

Source: CMS NPPES (public data). Snapshot 2026-07-11. Provider record last updated 2020-02-13.