Active NPI
Yaffar Dwaimy Rosas-Atkins
- Marriage & Family Therapist
- Sunnyvale, CA
National Provider Identifier
1487037529
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Marriage & Family Therapist
- License
- 123391
- Practice address
- 660 S Fair Oaks Ave
Sunnyvale, CA 94086-7913 - Phone
- (408) 992-4800
- NPI assigned
- Jul 7, 2015
- 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 |
|---|---|---|---|---|
| Mental Health Counselor | 101YM0800X | |||
| Marriage & Family Therapist | 106H00000X | 123391 | CA | Primary |
Addresses
Primary practice location
660 S Fair Oaks Ave
Sunnyvale, CA 94086-7913
Mailing address
660 S Fair Oaks Ave
Sunnyvale, CA 94086-7913
Phone (408) 992-4800
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Not listed in the public Medicare enrollment file
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Not enrolled
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 123391 | CA | MD | Marriage & Family Therapist |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1436227200000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1753401600000",
"number": "1487037529",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "660 S FAIR OAKS AVE",
"city": "SUNNYVALE",
"state": "CA",
"postal_code": "940867913",
"telephone_number": "408-992-4800"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "660 S FAIR OAKS AVE",
"city": "SUNNYVALE",
"state": "CA",
"postal_code": "940867913",
"telephone_number": "408-992-4800"
}
],
"practiceLocations": [],
"basic": {
"last_name": "ROSAS-ATKINS",
"first_name": "YAFFAR",
"middle_name": "DWAIMY",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2015-07-07",
"last_updated": "2025-07-25",
"certification_date": "2025-07-25",
"status": "A"
},
"taxonomies": [
{
"code": "101YM0800X",
"taxonomy_group": "",
"desc": "Counselor, Mental Health",
"state": null,
"license": null,
"primary": false
},
{
"code": "106H00000X",
"taxonomy_group": "",
"desc": "Marriage & Family Therapist",
"state": "CA",
"license": "123391",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Sunnyvale, CA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 25, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.