Dr. Darwin I Griffeth IV, D.C.

Dr. Darwin I Griffeth IV is a Chiropractor provider (Chiropractor) practicing in Irving, TX, registered in the NPPES registry with NPI 1396784492 since 2006. The credential DC stands for Doctor of Chiropractic. Practices at Mercedes S Dominguez, DDS, Ms, PA (listed at the same practice address in NPPES).

✓ Active NPI ✓ Valid NPI checksum

NPI	1396784492
Entity type	Individual (Type 1)
Name	Dr. Darwin I Griffeth IV
Credential	D.C.
Sex	Male
Practice address	7200 N HIGHWAY 161, SUITE 300, Irving, TX, 75039
Phone	9727558119
Fax	2146159734
Enumeration date	2006-06-05
Last updated in NPPES	2008-07-16

Taxonomy & licenses

Taxonomy code	Specialty	Primary	License	State
111N00000X	Chiropractor	Primary	10065	TX

DC — Doctor of Chiropractic: A licensed chiropractor focusing on musculoskeletal and nervous system disorders. About the DC credential

Copy-ready billing details

Provider: Darwin Griffeth, D.C.
NPI: 1396784492
Taxonomy: 111N00000X (Chiropractor)
Address: 7200 N HIGHWAY 161, SUITE 300, Irving, TX, 75039

Other providers at this practice address

NPI	Name	Type	Specialty	Location
1962731927	Mercedes S Dominguez, DDS, Ms, PA	Organization	Specialist	Irving, TX

Verify this record

Cross-check NPI 1396784492 against the authoritative CMS record: view Dr. Darwin I Griffeth IV 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 Darwin Griffeth?

The National Provider Identifier (NPI) for Darwin Griffeth is 1396784492, a Type 1 (individual) record in the CMS NPPES registry.

Where does Darwin Griffeth practice?

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

Source: CMS NPPES (public data). Snapshot 2026-07-11. Provider record last updated 2008-07-16.