What is Ria Diddee's NPI number?

Ria Diddee's National Provider Identifier (NPI) is 1063384170, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Ria Diddee's specialty?

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

Where is Ria Diddee located?

Ria Diddee's practice location on file with NPPES is 17772 Irvine Blvd Ste 209, Tustin, CA 92780-3234.

What is Ria Diddee's phone number?

The practice phone number listed in the NPPES registry for Ria Diddee is (714) 388-6119.

Is Ria Diddee's NPI active?

Yes — Ria Diddee's NPI (1063384170) is active in the NPPES registry as of the last update on 2025-09-18.

IndividualActive

Ria Diddee

NPI 1063384170 · Marriage & Family Therapist · Tustin, CA

Ria Diddee is a Marriage & Family Therapist provider in Tustin, CA (NPI 1063384170).

Provider details

NPI number: 1063384170
Entity type: Individual
Primary specialty: Marriage & Family TherapistBehavioral Health & Social Service Providers
Sex: Female
Sole proprietor: No
License: 156316 (CA)

Specialties & taxonomies

Marriage & Family TherapistPrimary106H00000XLicense 156316 (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

17772 Irvine Blvd Ste 209

Tustin, CA 92780-3234

Phone: (714) 388-6119

Street-level locationGet directions

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Mailing address