Active NPI
Ayesha Chatterji Sujan
- Psychologist
- Menlo Park, CA
National Provider Identifier
1275469223
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Psychologist
- License
- PSY35249
- Practice address
- 321 Middlefield Rd
Menlo Park, CA 94025-3500 - Phone
- (650) 497-8977
- NPI assigned
- Jun 18, 2026
- 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 |
|---|---|---|---|---|
| Psychologist | 103T00000X | PSY35249 | CA | Primary |
Addresses
Primary practice location
321 Middlefield Rd
Menlo Park, CA 94025-3500
Mailing address
3145 Porter Dr
Palo Alto, CA 94304-1224
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Not listed in the public Medicare enrollment file
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: No
- Power mobility devices: No
- Hospice: No
Care Compare profile
Medicare Care Compare- Specialty
- Clinical Psychologist
- Education
- Other, 2021
- Medicare assignment
- May accept Medicare assignment
Practice addresses (Care Compare)
500 Pasteur Dr
Palo Alto, CA 94304-1048
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1781740800000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1781740800000",
"number": "1275469223",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "3145 PORTER DR",
"city": "PALO ALTO",
"state": "CA",
"postal_code": "943041224"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "321 MIDDLEFIELD RD",
"city": "MENLO PARK",
"state": "CA",
"postal_code": "940253500",
"telephone_number": "650-497-8977"
}
],
"practiceLocations": [],
"basic": {
"last_name": "SUJAN",
"first_name": "AYESHA",
"middle_name": "CHATTERJI",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2026-06-18",
"last_updated": "2026-06-18",
"certification_date": "2026-06-18",
"status": "A"
},
"taxonomies": [
{
"code": "103T00000X",
"taxonomy_group": "",
"desc": "Psychologist",
"state": "CA",
"license": "PSY35249",
"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 Jun 18, 2026; 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.