Active NPI
Yang Xu, M.D.
- Psychiatry Physician
- Mountain View, CA
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Psychiatry Physician
- License
- A130870
- Practice address
- 2490 Hospital Dr Ste 212
Mountain View, CA 94040-4125 - Phone
- (650) 727-1523
- NPI assigned
- Apr 26, 2011
- Last updated
- Oct 24, 2025
- Sex
- Female
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 2
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Psychiatry Physician | 2084P0800X | A130870 | CA | Primary |
| Child & Adolescent Psychiatry Physician | 2084P0804X | A130870 | CA |
Addresses
Primary practice location
2490 Hospital Dr Ste 212
Mountain View, CA 94040-4125
Mailing address
2400 Moorpark Ave Ste 300
San Jose, CA 95128-2680
Phone (408) 975-2730
Other practice location 1
2400 Moorpark Ave Ste 300
San Jose, CA 95128-2680
Phone (408) 975-2730
Other practice location 2
120 Santa Margarita Ave Bldg B
Menlo Park, CA 94025-2725
Phone (650) 727-1523
Other names 1
- Ada Yang Xu
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
Care Compare profile
Medicare Care Compare- Specialty
- Psychiatry
- Education
- Other, 2004
- Medicare assignment
- May accept Medicare assignment
- Group practices
Practice addresses (Care Compare)
2400 Moorpark Ave
Suite 300
San Jose, CA 95128-2680
Phone (408) 975-2763
Merit-based Incentive Payment System (MIPS)
- Final score
- 61 of 100
- Quality
- 59.41
- Promoting interoperability
- 0
- Improvement activities
- 40
- Cost
- 71.45
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| A130870 | CA | MD | Psychiatry Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Comprehensive Psychiatric Services, a Medical Group | Psychiatry | Current | Accepting new patients |
| Regents of the University of California - UCSF | Current | Accepting new patients | |
| Asian Americans for Community Involvement of Santa Clara County, Inc | Current | Accepting new patients | |
| Asian Americans for Community Involvement of Santa Clara County, Inc | Current | Accepting new patients | |
| Arc (Achieving Resilience Through Connection) | Psychiatry | Current | Accepting new patients |
| County of Santa Clara | Child & Adolescent Psychiatry | Current | Accepting new patients |
| County of Santa Cruz | Current | Accepting new patients | |
| County of Santa Clara | Current | Accepting new patients | |
| Asian Americans for Community Involvement of Santa Clara County, Inc | Current | Accepting new patients | |
| County of Santa Clara | Current | Accepting new patients | |
| Puentes Al Sur | Past | Accepting new patients |
Locations
120 Santa Margarita Ave
#B
Menlo Park, CA 94025
Phone (650) 212-5687
2490 Hospital Dr
Ste 212
Mountain View, CA 94040
Phone (408) 900-8077
505 Parnassus Ave
San Francisco, CA 94143
Phone (415) 476-9058
2400 Moorpark Ave
San Jose, CA 95128
Phone (408) 885-7695
2400 Moorpark Ave
Ste 300
San Jose, CA 95128
Phone (408) 975-2763
749 Story Rd
Ste 50
San Jose, CA 95122
751 S Bascom Ave
San Jose, CA 95128
Phone (408) 885-5110
1080 Emeline Ave
Santa Cruz, CA 95060
Phone (831) 454-4100
1400 Emeline Ave
Santa Cruz, CA 95060
Phone (831) 454-4900
1400 Emeline Ave
Ste 315
Santa Cruz, CA 95060
3100 Oak Rd
Ste 270
Walnut Creek, CA 94597
Phone (925) 944-9711
1430 Freedom Blvd
Watsonville, CA 95076
Phone (831) 763-8200
1430 Freedom Blvd
Ste D
Watsonville, CA 95076
Phone (831) 763-8400
Interoperability endpoints
- yxu591372@direct.ochin.org
Organizations & group practices 12
Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.
-
- Clinic/Center
- San Jose, CA
- NPI 1750490363
-
- Psychiatry Physician
- Walnut Creek, CA
- NPI 1184785834
-
dba Josefina Narvaez Mental Health Center MH Aoa
- Mental Health Clinic/Center (Including Community Mental Health Center)
- San Jose, CA
- NPI 1699885079
-
- Clinic/Center
- Santa Cruz, CA
- NPI 1659315430
-
dba UCSF Clinical Integrated Partners
- Multi-Specialty Clinic/Center
- San Francisco, CA
- NPI 1265890263
-
dba Together-we-grow
- Psychiatry Physician
- Mountain View, CA
- NPI 1588478531
-
- Child & Adolescent Psychiatry Physician
- Menlo Park, CA
- NPI 1659147940
-
- Clinic/Center
- San Jose, CA
- NPI 1316338775
-
- Community/Behavioral Health Agency
- San Jose, CA
- NPI 1326052291
-
dba SCVMC Physician Services
- Anesthesiology Physician
- San Jose, CA
- NPI 1588721500
Child & Adolescent Psychiatry
-
dba Health Services Agency-Mental Health Division
- Adult Mental Health Clinic/Center
- Watsonville, CA
- NPI 1992849012
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1303776000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1761264000000",
"number": "1093006983",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "2400 MOORPARK AVE STE 300",
"city": "SAN JOSE",
"state": "CA",
"postal_code": "951282680",
"telephone_number": "408-975-2730",
"fax_number": "408-975-2745"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "2490 HOSPITAL DR STE 212",
"city": "MOUNTAIN VIEW",
"state": "CA",
"postal_code": "940404125",
"telephone_number": "650-727-1523"
}
],
"practiceLocations": [
{
"address_1": "2400 Moorpark Ave Ste 300",
"address_purpose": "LOCATION",
"city": "San Jose",
"state": "CA",
"postal_code": "951282680",
"country_code": "US",
"telephone_number": "408-975-2730",
"fax_number": "408-975-2745",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "120 Santa Margarita Ave Bldg B",
"address_purpose": "LOCATION",
"city": "Menlo Park",
"state": "CA",
"postal_code": "940252725",
"country_code": "US",
"telephone_number": "650-727-1523",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "XU",
"first_name": "YANG",
"name_prefix": "Dr.",
"credential": "M.D.",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2011-04-26",
"last_updated": "2025-10-24",
"certification_date": "2025-10-24",
"status": "A"
},
"taxonomies": [
{
"code": "2084P0800X",
"taxonomy_group": "",
"desc": "Psychiatry & Neurology, Psychiatry",
"state": "CA",
"license": "A130870",
"primary": true
},
{
"code": "2084P0804X",
"taxonomy_group": "",
"desc": "Psychiatry & Neurology, Child & Adolescent Psychiatry",
"state": "CA",
"license": "A130870",
"primary": false
}
],
"identifiers": [],
"endpoints": [],
"other_names": [
{
"first_name": "ADA",
"last_name": "XU",
"middle_name": "YANG",
"code": "5",
"type": "Other Name"
}
]
}
Other providers in Mountain View, CA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 24, 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.
- Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.