What is Mason Stewart's NPI number?

Mason Stewart's National Provider Identifier (NPI) is 1518778794, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Mason Stewart's specialty?

Mason Stewart is listed in the NPPES registry with a primary specialty of Social Worker (Behavioral Health & Social Service Providers).

Where is Mason Stewart located?

Mason Stewart's practice location on file with NPPES is 2705 E 17th St, Ammon, ID 83406-6669.

What is Mason Stewart's phone number?

The practice phone number listed in the NPPES registry for Mason Stewart is (208) 346-7500.

Is Mason Stewart's NPI active?

Yes — Mason Stewart's NPI (1518778794) is active in the NPPES registry as of the last update on 2025-01-16.

IndividualActive

Mason Stewart

NPI 1518778794 · Social Worker · Ammon, ID

Mason Stewart is a Social Worker provider in Ammon, ID (NPI 1518778794).

Provider details

NPI number: 1518778794
Entity type: Individual
Primary specialty: Social WorkerBehavioral Health & Social Service Providers
Sex: Male
Sole proprietor: No

Specialties & taxonomies

Social WorkerPrimary104100000X
Behavioral Health & Social Service Providers

Profile Score

Basic profile(49/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
1 yr in NPPES registry
Profile completeness38% of score
83% of core fields populated
Practice footprint23% of score
1 documented practice location

Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.

Practice location

2705 E 17th St

Ammon, ID 83406-6669

Phone: (208) 346-7500

Street-level locationGet directions

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Mailing address