Trihaven Assisted Living
NPI 1619844636 · Assisted Living Facility · Fullerton, CA
Trihaven Assisted Living is a Assisted Living Facility organization in Fullerton, CA (NPI 1619844636).
Provider details
- NPI number
- 1619844636
- Entity type
- Organization
- Primary specialty
- Assisted Living FacilityNursing & Custodial Care Facilities
- Organization subpart
- No
- Authorized official
- Amr Abdelfattah Fattah, Administrator(714) 425-0445
Specialties & taxonomies
Nursing & Custodial Care Facilities
Profile Score
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
Mailing address
Registry dates
- Enumerated
- 2025-10-22
- Last updated
- 2025-10-22
- Certified
- 2025-10-22
Frequently asked questions
- What is Trihaven Assisted Living's NPI number?
- Trihaven Assisted Living's National Provider Identifier (NPI) is 1619844636, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Trihaven Assisted Living?
- Trihaven Assisted Living is classified in the NPPES registry as Assisted Living Facility (Nursing & Custodial Care Facilities).
- Where is Trihaven Assisted Living located?
- Trihaven Assisted Living's practice location on file with NPPES is 3650 Randee Way, Fullerton, CA 92833-2830.
- What is Trihaven Assisted Living's phone number?
- The practice phone number listed in the NPPES registry for Trihaven Assisted Living is (714) 425-0445.
- Who is the authorized official for Trihaven Assisted Living?
- The authorized official listed on Trihaven Assisted Living's NPPES record is Amr Abdelfattah Fattah, Administrator. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Trihaven Assisted Living's NPI active?
- Yes — Trihaven Assisted Living's NPI (1619844636) is active in the NPPES registry as of the last update on 2025-10-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.