NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Todd David Merchen, M.D.

Transplant Surgery Physician in Greenville, SC · enumerated 2006.

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

National Provider Identifier

1730135252

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)
Name Todd David Merchen
Credential M.D.
Sex Male
Practice address 200 Patewood Dr Ste C300, Greenville, SC, 29615
Fax (864) 454-2875
Enumeration date May 26, 2006
Last updated in NPPES May 25, 2021

Taxonomy & licenses

204F00000X Transplant Surgery Physician Allopathic & Osteopathic Physicians · License MD00044042 (WA) Secondary
208600000X Surgery Physician Allopathic & Osteopathic Physicians · License MD00044042 (WA) Secondary
204F00000X Transplant Surgery Physician Allopathic & Osteopathic Physicians · License 85586 (SC) 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
618788011A Medicaid GA -
G58986 Medicaid SC -
8402638 Medicaid WA -

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 Todd Merchen?
The National Provider Identifier (NPI) for Todd Merchen is 1730135252, a Type 1 (individual) record in the CMS NPPES registry.
Where does Todd Merchen practice?
The practice location on file with NPPES is in Greenville, SC. 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 2021-05-25.