Active NPI
Sarah Chan, CGC
- Genetic Counselor (M.S.)
- Menlo Park, CA
National Provider Identifier
1083577829
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Genetic Counselor (M.S.)
- License
- 22830
- Practice address
- 535 Middlefield Rd Ste 170
Menlo Park, CA 94025-3465 - Phone
- (908) 552-9295
- NPI assigned
- Dec 8, 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 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Genetic Counselor (M.S.) | 170300000X | 22830 | CA | Primary |
Addresses
Primary practice location
535 Middlefield Rd Ste 170
Menlo Park, CA 94025-3465
Mailing address
916 S Eldorado St Unit B
San Mateo, CA 94402-1842
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 |
|---|---|---|---|
| 22830 | CA | MD | Cognitive & Behavioral Psychologist |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1765152000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1765152000000",
"number": "1083577829",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "916 S ELDORADO ST UNIT B",
"city": "SAN MATEO",
"state": "CA",
"postal_code": "944021842"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "535 MIDDLEFIELD RD STE 170",
"city": "MENLO PARK",
"state": "CA",
"postal_code": "940253465",
"telephone_number": "908-552-9295"
}
],
"practiceLocations": [],
"basic": {
"last_name": "CHAN",
"first_name": "SARAH",
"credential": "CGC",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2025-12-08",
"last_updated": "2025-12-08",
"certification_date": "2025-12-08",
"status": "A"
},
"taxonomies": [
{
"code": "170300000X",
"taxonomy_group": "",
"desc": "Genetic Counselor, MS",
"state": "CA",
"license": "22830",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Menlo Park, CA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Dec 8, 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.