Active NPI
Sierra Lauren Riley, LCSW
- Social Worker
- Cambridge, MA
National Provider Identifier
1568150779
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Social Worker
- License
- LCSW230284
- Practice address
- 51 Inman St
Cambridge, MA 02139-1732 - Phone
- (617) 349-6385
- NPI assigned
- Apr 26, 2023
- 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 |
|---|---|---|---|---|
| Social Worker | 104100000X | LCSW230284 | MA | Primary |
Addresses
Primary practice location
51 Inman St
Cambridge, MA 02139-1732
Mailing address
45 Locke St
Cambridge, MA 02140-1274
Phone (603) 313-3911
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)
- Enrolled
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1682467200000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1768348800000",
"number": "1568150779",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "45 LOCKE ST",
"city": "CAMBRIDGE",
"state": "MA",
"postal_code": "021401274",
"telephone_number": "603-313-3911"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "51 INMAN ST",
"city": "CAMBRIDGE",
"state": "MA",
"postal_code": "021391732",
"telephone_number": "617-349-6385"
}
],
"practiceLocations": [],
"basic": {
"last_name": "RILEY",
"first_name": "SIERRA",
"middle_name": "LAUREN",
"credential": "LCSW",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2023-04-26",
"last_updated": "2026-01-14",
"certification_date": "2026-01-14",
"status": "A"
},
"taxonomies": [
{
"code": "104100000X",
"taxonomy_group": "",
"desc": "Social Worker",
"state": "MA",
"license": "LCSW230284",
"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 Jan 14, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.