Active NPI
Chien Shien Yang, MD
- Psychiatry Physician
- San Jose, CA
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Psychiatry Physician
- License
- A146578
- Practice address
- 1190 Park Ave
San Jose, CA 95126-2913 - Phone
- (415) 655-0952
- NPI assigned
- Jul 9, 2013
- Sex
- Male
- Sole proprietor
- Yes
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Psychiatry Physician | 2084P0800X | A146578 | CA | Primary |
Addresses
Primary practice location
1190 Park Ave
San Jose, CA 95126-2913
Mailing address
1190 Park Ave
San Jose, CA 95126-2913
Phone (415) 655-0952
Other practice location 1
3880 S Bascom Ave Ste 216
San Jose, CA 95124-2675
Phone (415) 655-0952
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in CA
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 1
| Enrollment ID | State | Provider type | PAC ID | Details |
|---|---|---|---|---|
| I20170928001907 | CA | Practitioner - Psychiatry | 3375774995 |
Reassigns benefits to 2 organizations Practice locations: Fremont, CA |
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| A146578 | CA | MD | Psychiatry Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| County of Santa Clara | Current | Accepting new patients | |
| County of Santa Clara | Current | Accepting new patients | |
| County of Santa Clara | Current | Accepting new patients | |
| Alameda County | Current | Accepting new patients | |
| Innergrove Psychiatry PC | Psychiatry | Current | Accepting new patients |
| Alameda County | Current | Accepting new patients | |
| County of Alameda | Past | Accepting new patients | |
| Chien Shien Yang MD Inc | Psychiatry | Past | Accepting new patients |
Locations
7475 Camino Arroyo
Gilroy, CA 95020
Phone (408) 852-2400
409 Jackson St
Ste 100
Hayward, CA 94544
Phone (510) 383-5103
7200 Bancroft Ave
Ste 125A
Oakland, CA 94605
Phone (510) 777-3800
751 S Bascom Ave
San Jose, CA 95128
Phone (408) 885-5110
1993 McKee Rd
San Jose, CA 95116
Phone (408) 254-6320
500 Tully Rd
San Jose, CA 95111
Phone (408) 817-1433
750 S Bascom Ave
San Jose, CA 95128
Phone (408) 885-2320
1190 Park Ave
San Jose, CA 95126
Phone (415) 655-0952
660 S Fair Oaks Ave
Sunnyvale, CA 94086
Phone (408) 885-7366
Interoperability endpoints
- cyang190337@santaclaravalley.direct-ci.net
Organizations & group practices 8
Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.
-
- Mental Health Clinic/Center (Including Community Mental Health Center)
- San Jose, CA
- NPI 1699885079
CA
-
- Community/Behavioral Health Agency
- Hayward, CA
- NPI 1669504288
-
- Pharmacy
- San Jose, CA
- NPI 1891871919
-
- Federally Qualified Health Center (FQHC)
- San Jose, CA
- NPI 1972598449
-
- Community/Behavioral Health Agency
- Alameda, CA
- NPI 1548392145
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1373328000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1766102400000",
"number": "1780025692",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "1190 PARK AVE",
"city": "SAN JOSE",
"state": "CA",
"postal_code": "951262913",
"telephone_number": "415-655-0952"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "1190 PARK AVE",
"city": "SAN JOSE",
"state": "CA",
"postal_code": "951262913",
"telephone_number": "415-655-0952"
}
],
"practiceLocations": [
{
"address_1": "3880 S Bascom Ave Ste 216",
"address_purpose": "LOCATION",
"city": "San Jose",
"state": "CA",
"postal_code": "951242675",
"country_code": "US",
"telephone_number": "415-655-0952",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "YANG",
"first_name": "CHIEN SHIEN",
"credential": "MD",
"sole_proprietor": "YES",
"sex": "M",
"enumeration_date": "2013-07-09",
"last_updated": "2025-12-19",
"certification_date": "2025-12-19",
"status": "A"
},
"taxonomies": [
{
"code": "2084P0800X",
"taxonomy_group": "",
"desc": "Psychiatry & Neurology, Psychiatry",
"state": "CA",
"license": "A146578",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in San Jose, CA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Dec 19, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.