NPI Portal NPI Lookup & Verification

Frank A Trefny, MD

Frank A Trefny is a General Practice Physician provider (General Practice) practicing in Kingstree, SC, registered in the NPPES registry with NPI 1336270651 since 2007. The credential MD stands for Doctor of Medicine.

✓ Active NPI ✓ Valid NPI checksum

NPI 1336270651
Entity type Individual (Type 1)
Name Frank A Trefny
Credential MD
Sex Male
Practice address 500 THURGOOD MARSHALL BLVD, SUITE H, Kingstree, SC, 29556
Phone 8433545426
Fax 8433547115
Enumeration date 2007-03-08
Last updated in NPPES 2007-07-08

Taxonomy & licenses

Taxonomy code Specialty Primary License State
208D00000X General Practice Physician Primary 7009 SC

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
070096 Medicaid SC
Copy-ready billing details
Provider: Frank Trefny, MD
NPI: 1336270651
Taxonomy: 208D00000X (General Practice Physician)
Address: 500 THURGOOD MARSHALL BLVD, SUITE H, Kingstree, SC, 29556

Other providers at this practice address

NPI Name Type Specialty Location
1356489579 Harry Floyd Individual General Practice Physician Kingstree, SC
1073652137 Williamsburg Medical Associates PA Organization Rural Health Clinic/Center Kingstree, SC
1851425458 Frank A Trefny MD PA Organization General Practice Physician Kingstree, SC

Verify this record

Cross-check NPI 1336270651 against the authoritative CMS record: view Frank A Trefny 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 Frank Trefny practice?
The practice location on file with NPPES is in Kingstree, SC. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Frank Trefny?
The National Provider Identifier (NPI) for Frank Trefny is 1336270651, a Type 1 (individual) record in the CMS NPPES registry.

Source: CMS NPPES (public data). Snapshot 2026-07-11. Provider record last updated 2007-07-08.