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CHIEN SHIEN YANG MD
NPI 1780025692
Psychiatry & Neurology - Psychiatry in San Jose, CA

Active since July 09, 2013PECOS Enrolled
1190 PARK AVE, SAN JOSE, CA 95126(415) 655-0952 Get Directions Write a Review

NPPES record last updated: December 19, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Dec 19, 2025, Dec 8, 2022, Jul 13, 2021 and 3 more (6 updates tracked since 2018).

About Chien Shien Yang Md NPPES

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

CHIEN SHIEN YANG MD (NPI 1780025692) is an individual psychiatry provider in San Jose, California, licensed in California (A146578) and active in the NPI registry since July 2013. He is enrolled in Medicare PECOS and maintains a secondary practice location in San Jose.

NPPES Registry Identity

NPI1780025692
Entity TypeIndividualMale
Primary Taxonomy2084P0800X
Provider Legal NameCHIEN SHIEN YANGCredential: MD
Location Address1190 PARK AVESan Jose, CA 95126-2913
Mailing Address1190 Park AveSan Jose, CA 95126-2913 · (415) 655-0952
Phone(415) 655-0952
Sole ProprietorYes
Enumeration DateJuly 9, 2013
Last NPPES UpdateDecember 19, 20256 updates tracked since enumeration
NPPES CertifiedDecember 19, 2025
✔ NPI 1780025692 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
License✔ Licensed in CA · A146578
Definition
A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.
1190 PARK AVE, San Jose, CA 95126
Open in Google Maps ↗

Secondary Practice Location 1

Location 13880 S Bascom Ave Ste 216San Jose, CA 95124-2675 · Phone (415) 655-0952

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Chien Shien Yang Md 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 Reassignments

2

Medicare enrollment records show Chien Shien Yang reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

County Of Santa Clara
1.2 mi
Clinic/Center
828 S BASCOM AVE STE 250
San Jose, CA 95128
  • Reassigned Medicare billing, California enrollment
  • 2,460 clinicians in this Medicare group
NPI 1154906634 (408) 885-5000
Alameda County
16 mi
Community/Behavioral Health
39155 LIBERTY ST
Fremont, CA 94538
  • Reassigned Medicare billing, California enrollment
  • Medicare enrollment name: County Of Alameda
  • 50 clinicians in this Medicare group
NPI 1043342728 (800) 878-1313

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 95126 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
$86.56 typical visit price
range $23.96 – $169.60
Typical copayment $21.64 (range $5.99 – $42.40)
Most-billed visit code 99213
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

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

INNERGROVE PSYCHIATRY PC
Psychiatry & Neurology (Psychiatry)
1190 PARK AVE
SAN JOSE, CA 95126
Santa Clara County (415) 655-0952

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 Chien Shien Yang's NPI number?

The NPI number for Chien Shien Yang is 1780025692. It was assigned to this individual provider in the NPPES registry on July 9, 2013.

Where is Chien Shien Yang located?

Chien Shien Yang practices at 1190 Park Ave, San Jose, CA 95126. The listed phone number is (415) 655-0952.

What is Chien Shien Yang's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Is Chien Shien Yang enrolled in Medicare?

Yes. Chien Shien Yang is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Chien Shien Yang's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Chien Shien Yang reassigns Medicare benefits to 2 organizations: County Of Santa Clara (San Jose, CA) and Alameda County (Fremont, CA). Each 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 Chien Shien Yang'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 Chien Shien Yang was last updated on December 19, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.