NPI Portal NPI Lookup & Verification

Dr. Byron Blasdell Harder, M.D.

Dr. Byron Blasdell Harder is a General Practice Physician provider (General Practice) practicing in Clemson, SC, registered in the NPPES registry with NPI 1518086180 since 2007. The credential MD stands for Doctor of Medicine.

✓ Active NPI ✓ Valid NPI checksum

NPI 1518086180
Entity type Individual (Type 1)
Name Dr. Byron Blasdell Harder
Credential M.D.
Sex Male
Practice address 344054 MCMILLAN, CLEMSON UNIVERSITY, Clemson, SC, 29634
Phone 8646562233
Fax 8646560760
Enumeration date 2007-03-28
Last updated in NPPES 2007-07-08

Taxonomy & licenses

Taxonomy code Specialty Primary License State
208D00000X General Practice Physician Primary 5533 SC

MD — Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

Copy-ready billing details
Provider: Byron Harder, M.D.
NPI: 1518086180
Taxonomy: 208D00000X (General Practice Physician)
Address: 344054 MCMILLAN, CLEMSON UNIVERSITY, Clemson, SC, 29634

Verify this record

Cross-check NPI 1518086180 against the authoritative CMS record: view Dr. Byron Blasdell Harder 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

What is the NPI number for Byron Harder?
The National Provider Identifier (NPI) for Byron Harder is 1518086180, a Type 1 (individual) record in the CMS NPPES registry.
Where does Byron Harder practice?
The practice location on file with NPPES is in Clemson, SC. Providers can have multiple locations; NPPES lists the primary practice address.

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