Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Clark D Gaston, N.M.D.

Q: What is the NPI number for Clark Gaston?

The National Provider Identifier (NPI) for Clark Gaston is 1437601135, a Type 1 (individual) record in the CMS NPPES registry.

Naturopath in Phoenix, AZ · enumerated 2016.

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

National Provider Identifier

1437601135

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Registry record

Entity type Individual (Type 1)

Name Clark D Gaston

Credential N.M.D.

Sex Male

Practice address Phoenix, AZ, 85042

Phone (423) 650-9133

Enumeration date Oct 28, 2016

Last updated in NPPES Oct 28, 2016

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

175F00000X Naturopath Other Service Providers · License 16-1583 (AZ) Primary

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

Where does Clark Gaston practice?

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

What is the NPI number for Clark Gaston?

The National Provider Identifier (NPI) for Clark Gaston is 1437601135, a Type 1 (individual) record in the CMS NPPES registry.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2016-10-28.