What is Tanya Gustin's NPI number?

Tanya Gustin's National Provider Identifier (NPI) is 1063393676, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Tanya Gustin's specialty?

Tanya Gustin is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).

Where is Tanya Gustin located?

Tanya Gustin's practice location on file with NPPES is 1100 W Olive Ave, Fullerton, CA 92833-4132.

What is Tanya Gustin's phone number?

The practice phone number listed in the NPPES registry for Tanya Gustin is (714) 447-7775.

Is Tanya Gustin's NPI active?

Yes — Tanya Gustin's NPI (1063393676) is active in the NPPES registry as of the last update on 2025-09-10.

IndividualActive

Tanya Gustin

NPI 1063393676 · Marriage & Family Therapist · Fullerton, CA

Tanya Gustin is a Marriage & Family Therapist provider in Fullerton, CA (NPI 1063393676).

Provider details

NPI number: 1063393676
Entity type: Individual
Primary specialty: Marriage & Family TherapistBehavioral Health & Social Service Providers
Sex: Female
Sole proprietor: Yes
License: LMFT104475 (CA)

Specialties & taxonomies

Marriage & Family TherapistPrimary106H00000XLicense LMFT104475 (CA)
Behavioral Health & Social Service Providers

Profile Score

Established profile(54/100 index)

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

Registry tenure38% of score
Under 1 yr in registry
Profile completeness38% of score
100% 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

1100 W Olive Ave

Fullerton, CA 92833-4132

Phone: (714) 447-7775

Street-level locationGet directions

More CA providers

Mailing address