YING-AN CHI
NPI 1639787310
Psychologist in North Hollywood, CA

Active since July 17, 2020PECOS EnrolledAccepts Medicare Assignment
4605 LANKERSHIM BLVD., SUITE 545, NORTH HOLLYWOOD, CA 91602(323) 999-1395(855) 568-6438 Get Directions Write a Review

NPPES record last updated: August 27, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Aug 11, 2020, Jul 17, 2020 (2 updates tracked since 2020).

About Ying-an Chi NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

YING-AN CHI (NPI 1639787310) is an individual psychologist in North Hollywood, California, licensed in California (35946) and active in the NPI registry since July 2020. She is enrolled in Medicare PECOS and is a graduate of Other (2023).

NPPES Registry Identity

NPI1639787310
Entity TypeIndividualFemale
Primary Taxonomy103T00000X
Provider Legal NameYING-AN CHI
Location Address4605 LANKERSHIM BLVD., SUITE 545North Hollywood, CA 91602
Mailing Address4605 Lankershim Blvd., Suite 545North Hollywood, CA 91602 · (323) 999-1395 · Fax (855) 568-6438
Fax(855) 568-6438
Sole ProprietorNo
Medical School CMSOtherGraduated 2023
Enumeration DateJuly 17, 2020
Last NPPES UpdateAugust 27, 20252 updates tracked since enumeration
NPPES CertifiedAugust 11, 2020
✔ NPI 1639787310 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychologistBehavioral Health & Social Service Providers
Taxonomy Code103T00000X
License✔ Licensed in CA · 35946
Definition
A psychologist is an individual who is licensed to practice psychology which is defined as the observation, description, evaluation, interpretation, and modification of human behavior by the application of psychological principles, methods, and procedures, for the purpose of preventing or eliminating symptomatic, maladaptive, or undesired behavior and of enhancing interpersonal relationships, work and life adjustment, personal effectiveness, behavioral health, and mental health. The practice of psychology includes, but is not limited to, psychological testing and the evaluation or assessment of personal characteristics, such as intelligence, personality, abilities, interests, aptitudes, and neuropsychological functioning; counseling, psychoanalysis, psychotherapy, hypnosis, biofeedback, and behavior analysis and therapy; diagnosis and treatment of mental and emotional disorder or disability, alcoholism and substance abuse, disorders of habit or conduct, as well as of the psychological aspects of physical illness, accident, injury, or disability; and psycheducational evaluation, therapy, remediation, and consultation. Psychological services may be rendered to individuals, families, groups and the public.
4605 LANKERSHIM BLVD., North Hollywood, CA 91602

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Ying-an Chi is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID4688176241
PECOS Enrollment IDI20250904001644
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Ying-an Chi reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Clinical
4605 LANKERSHIM BLVD # 545
North Hollywood, CA 91602
  • Reassigned Medicare billing, California enrollment
  • 13 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Community/Behavioral Health
4605 LANKERSHIM BLVD., STE 720
NORTH HOLLYWOOD, CA 91602

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Ying-an Chi's NPI number?

The NPI number for Ying-an Chi is 1639787310. It was assigned to this individual provider in the NPPES registry on July 17, 2020.

Where is Ying-an Chi located?

Ying-an Chi practices at 4605 Lankershim Blvd. Suite 545, North Hollywood, CA 91602. The listed phone number is (323) 999-1395.

What is Ying-an Chi's specialty?

The primary specialty registered for this NPI is Psychologist with taxonomy code 103T00000X.

Is Ying-an Chi enrolled in Medicare?

Yes. Ying-an Chi is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Ying-an Chi's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Ying-an Chi reassigns Medicare benefits to Spencer Scott Psychologist Corp (North Hollywood, CA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Ying-an Chi's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Ying-an Chi was last updated on August 27, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.