NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Guy Christopher Charest, DO

Dermatology Physician in Flower Mound, TX · enumerated 2020.

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

National Provider Identifier

1770102600

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)
Name Guy Christopher Charest
Credential DO
Sex Male
Practice address 4471 Long Prairie Rd Ste 100, Flower Mound, TX, 75028
Fax (972) 316-4550
Enumeration date Apr 10, 2020
Last updated in NPPES May 16, 2024

Taxonomy & licenses

207N00000X Dermatology Physician Allopathic & Osteopathic Physicians · License U9868 (TX) 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

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 Guy Charest?
The National Provider Identifier (NPI) for Guy Charest is 1770102600, a Type 1 (individual) record in the CMS NPPES registry.
Where does Guy Charest practice?
The practice location on file with NPPES is in Flower Mound, TX. 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 2024-05-16.