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YIYI YIN PSY.D
NPI 1619341245
Psychologist - Clinical in San Jose, CA

Active since November 19, 2015PECOS Enrolled
2400 MOORPARK AVE STE 300, SAN JOSE, CA 95128(415) 701-5116 Get Directions Write a Review

NPPES record last updated: January 13, 2023. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jan 13, 2023, Nov 19, 2015 (2 updates tracked since 2015).

About Yiyi Yin Psy.d NPPES

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

YIYI YIN PSY.D (NPI 1619341245) is an individual clinical provider in San Jose, California, licensed in California (33508) and active in the NPI registry since November 2015. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1619341245
Entity TypeIndividualFemale
Primary Taxonomy103TC0700X
Provider Legal NameYIYI YINCredential: PSY.D
Location Address2400 MOORPARK AVE STE 300San Jose, CA 95128-2680
Mailing Address2400 Moorpark Ave Ste 300San Jose, CA 95128-2680
Phone(415) 701-5116
Sole ProprietorNo
Enumeration DateNovember 19, 2015
Last NPPES UpdateJanuary 13, 20232 updates tracked since enumeration
NPPES CertifiedJanuary 13, 2023
✔ NPI 1619341245 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPsychologist · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code103TC0700X
License✔ Licensed in CA · 33508
Definition
A psychologist who provides continuing and comprehensive mental and behavioral health care for individuals and families; consultation to agencies and communities; training, education and supervision; and research-based practice. It is a specialty in breadth -- one that is broadly inclusive of severe psychopathology -- and marked by comprehensiveness and integration of knowledge and skill from a broad array of disciplines within and outside of psychology proper. The scope of clinical psychology encompasses all ages, multiple diversities and varied systems.
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
2400 MOORPARK AVE STE 300, San Jose, CA 95128
Open in Google Maps ↗

Other Names 1

Other Name (5)Kook Yin

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Yiyi Yin Psy.d is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Yiyi Yin reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Asian Americans For Community Involvement Of Santa Clara County, Inc
Same address
Community/Behavioral Health
2400 MOORPARK AVE, SUITE 300
San Jose, CA 95128
  • Reassigned Medicare billing, California enrollment
  • 63 clinicians in this Medicare group
NPI 1326052291 (408) 975-2730

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 95128 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$206.04 typical visit price
range $70.37 – $206.04
Typical copayment $51.51 (range $17.59 – $51.51)
Most-billed visit code 99205
Established Patient
$121.77 typical visit price
range $23.96 – $169.60
Typical copayment $30.44 (range $5.99 – $42.40)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

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

JEE Y LEE
Marriage & Family Therapist
2400 MOORPARK AVE STE 300
SAN JOSE, CA 95128
Santa Clara County (408) 975-2730
FREEDMAN OUK
Community Health Worker
2400 MOORPARK AVE STE 300
SAN JOSE, CA 95128
Santa Clara County (408) 275-2730
CHRISTINA NGUYEN
Marriage & Family Therapist
2400 MOORPARK AVE STE 300
SAN JOSE, CA 95128
Santa Clara County (408) 975-2730
AIDOLE JINELYE ARTEAGA
Community Health Worker
2400 MOORPARK AVE STE 300
SAN JOSE, CA 95128
Santa Clara County (408) 975-2730
VIRA FOMENKO MD
Family Medicine
2400 MOORPARK AVE STE 300
SAN JOSE, CA 95128
Santa Clara County (408) 975-2730
BRICE GOODEN RN
Registered Nurse
2400 MOORPARK AVE STE 300
SAN JOSE, CA 95128
Santa Clara County (408) 975-2730
DR. MY LINH THI VO
Psychologist
2400 MOORPARK AVE STE 300
SAN JOSE, CA 95128
Santa Clara County (408) 975-2730
RUOXI CHI
Marriage & Family Therapist
2400 MOORPARK AVE STE 300
SAN JOSE, CA 95128
Santa Clara County (408) 975-2730

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 Yiyi Yin's NPI number?

The NPI number for Yiyi Yin is 1619341245. It was assigned to this individual provider in the NPPES registry on November 19, 2015. The provider is also known as Kook Yin.

Where is Yiyi Yin located?

Yiyi Yin practices at 2400 Moorpark Ave Ste 300, San Jose, CA 95128. The listed phone number is (415) 701-5116.

What is Yiyi Yin's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in Clinical, with taxonomy code 103TC0700X.

Is Yiyi Yin enrolled in Medicare?

Yes. Yiyi Yin is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Yiyi Yin's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Yiyi Yin reassigns Medicare benefits to Asian Americans For Community Involvement Of Santa Clara County, Inc (San Jose, 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 Yiyi Yin'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 Yiyi Yin was last updated on January 13, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years 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.