Trisha Tiamzon, AMFT
NPI 1609669597 · Marriage & Family Therapist · Fullerton, CA
Trisha Tiamzon, AMFT is a Marriage & Family Therapist provider in Fullerton, CA (NPI 1609669597).
Provider details
- NPI number
- 1609669597
- Entity type
- Individual
- Primary specialty
- Marriage & Family TherapistBehavioral Health & Social Service Providers
- Credential
- AMFT
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
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
Mailing address
Registry dates
- Enumerated
- 2025-05-23
- Last updated
- 2025-05-23
- Certified
- 2025-05-23
Frequently asked questions
- What is Trisha Tiamzon's NPI number?
- Trisha Tiamzon's National Provider Identifier (NPI) is 1609669597, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Trisha Tiamzon's specialty?
- Trisha Tiamzon is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).
- Where is Trisha Tiamzon located?
- Trisha Tiamzon's practice location on file with NPPES is 2246 N State College Blvd, Fullerton, CA 92831-1361.
- What is Trisha Tiamzon's phone number?
- The practice phone number listed in the NPPES registry for Trisha Tiamzon is (714) 485-5011.
- Is Trisha Tiamzon's NPI active?
- Yes — Trisha Tiamzon's NPI (1609669597) is active in the NPPES registry as of the last update on 2025-05-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.