Ying-An Chi
NPI 1639787310 · Psychologist · North Hollywood, CA
Enrolled with Medicare as Practitioner - Clinical Psychologist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ying-An Chi is a Psychologist provider in North Hollywood, CA (NPI 1639787310).
Provider details
- NPI number
- 1639787310
- Entity type
- Individual
- Primary specialty
- PsychologistBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- No
- License
- 35946 (CA)
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
5 yrs in NPPES 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
- 2020-07-17
- Last updated
- 2025-08-27
- Certified
- 2020-08-11
Frequently asked questions
- What is Ying-An Chi's NPI number?
- Ying-An Chi's National Provider Identifier (NPI) is 1639787310, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ying-An Chi's specialty?
- Ying-An Chi is listed in the NPPES registry with a primary specialty of Psychologist (Behavioral Health & Social Service Providers).
- Where is Ying-An Chi located?
- Ying-An Chi's practice location on file with NPPES is 4605 Lankershim Blvd., North Hollywood, CA 91602.
- What is Ying-An Chi's phone number?
- The practice phone number listed in the NPPES registry for Ying-An Chi is (323) 999-1395.
- Does Ying-An Chi accept Medicare?
- Ying-An Chi is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ying-An Chi's NPI active?
- Yes — Ying-An Chi's NPI (1639787310) is active in the NPPES registry as of the last update on 2025-08-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.