Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Trenton L Mefford, DO

Family Medicine Physician in Frederick, OK · enumerated 2006.

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

National Provider Identifier

1982670816

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)

Name Dr. Trenton L Mefford

Credential DO

Sex Male

Practice address 319 E Josephine Ave, Frederick, OK, 73542

Phone (580) 335-7545

Fax (580) 335-7619

Enumeration date Feb 28, 2006

Last updated in NPPES Jul 18, 2025

Taxonomy & licenses

207Q00000X Family Medicine Physician Allopathic & Osteopathic Physicians · License 4360 (OK) Primary

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

Other identifiers

Identifier	Type	State	Issuer
200077580A	Medicaid	OK	-

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 Trenton Mefford?

The National Provider Identifier (NPI) for Trenton Mefford is 1982670816, a Type 1 (individual) record in the CMS NPPES registry.

Where does Trenton Mefford practice?

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

Other providers at this practice address

Browse all →

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-07-18.