Active NPI
Sarah L. Lusk, PH.D.
- Psychologist
- Cambridge, MA
National Provider Identifier
1639109788
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Psychologist
- License
- 6404
- Practice address
- 20 Willard St
Cambridge, MA 02138-4861 - Phone
- (617) 999-8078
- Fax
- (888) 382-5041
- NPI assigned
- Jul 4, 2006
- Last updated
- May 13, 2025
- Sex
- Female
- 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 |
|---|---|---|---|---|
| Psychologist | 103T00000X | 6404 | MA | Primary |
Addresses
Primary practice location
20 Willard St
Cambridge, MA 02138-4861
Mailing address
20 Willard St
Cambridge, MA 02138-4861
Phone (339) 368-0500
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
- Opted out of Medicare
- Yes, effective Apr 1, 2018 through Apr 1, 2028
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Philosophy
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 6404 | MA | MD | Speech-Language Pathologist |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1151971200000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1747094400000",
"number": "1639109788",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "20 WILLARD ST",
"city": "CAMBRIDGE",
"state": "MA",
"postal_code": "021384861",
"telephone_number": "339-368-0500",
"fax_number": "888-382-5041"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "20 WILLARD ST",
"city": "CAMBRIDGE",
"state": "MA",
"postal_code": "021384861",
"telephone_number": "617-999-8078",
"fax_number": "888-382-5041"
}
],
"practiceLocations": [],
"basic": {
"last_name": "LUSK",
"first_name": "SARAH",
"middle_name": "L.",
"name_prefix": "Dr.",
"credential": "PH.D.",
"sole_proprietor": "YES",
"sex": "F",
"enumeration_date": "2006-07-04",
"last_updated": "2025-05-13",
"certification_date": "2025-05-13",
"status": "A"
},
"taxonomies": [
{
"code": "103T00000X",
"taxonomy_group": "",
"desc": "Psychologist",
"state": "MA",
"license": "6404",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Cambridge, MA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 13, 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; Opt Out Affidavits.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.