1. Home
  2. Directory
  3. Massachusetts
  4. Cambridge
  5. Social Worker
  6. NPI Profile

SIERRA LAUREN RILEY LCSW
NPI 1568150779
Social Worker in Cambridge, MA

Active since April 26, 2023
51 INMAN ST, CAMBRIDGE, MA 02139(617) 349-6385 Get Directions Write a Review

NPPES record last updated: January 14, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Jan 14, 2026, Nov 7, 2024 (2 updates tracked since 2024).

About Sierra Lauren Riley Lcsw NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

SIERRA LAUREN RILEY LCSW (NPI 1568150779) is an individual social worker in Cambridge, Massachusetts, licensed in Massachusetts (LCSW230284) and active in the NPI registry since April 2023.

NPPES Registry Identity

NPI1568150779
Entity TypeIndividualFemale
Primary Taxonomy104100000X
Provider Legal NameSIERRA LAUREN RILEYCredential: LCSW
Location Address51 INMAN STCambridge, MA 02139-1732
Mailing Address45 Locke StCambridge, MA 02140-1274 · (603) 313-3911
Phone(617) 349-6385
Sole ProprietorNo
Enumeration DateApril 26, 2023
Last NPPES UpdateJanuary 14, 20262 updates tracked since enumeration
NPPES CertifiedJanuary 14, 2026
✔ NPI 1568150779 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial WorkerBehavioral Health & Social Service Providers
Taxonomy Code104100000X
License✔ Licensed in MA · LCSW230284
Definition
A social worker is a person who is qualified by a Social Work degree, and licensed, certified or registered by the state as a social worker to practice within the scope of that license. A social worker provides assistance and counseling to clients and their families who are dealing with social, emotional and environmental problems. Social work services may be rendered to individuals, families, groups, and the public.
51 INMAN ST, Cambridge, MA 02139
Open in Google Maps ↗

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

BETSY E. ABRAMS
Social Worker
51 INMAN ST
CAMBRIDGE, MA 02139
Middlesex County (617) 349-7706

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Sierra Riley's NPI number?

The NPI number for Sierra Riley is 1568150779. It was assigned to this individual provider in the NPPES registry on April 26, 2023.

Where is Sierra Riley located?

Sierra Riley practices at 51 Inman St, Cambridge, MA 02139. The listed phone number is (617) 349-6385.

What is Sierra Riley's specialty?

The primary specialty registered for this NPI is Social Worker with taxonomy code 104100000X.

When was this NPI record last updated?

The NPPES record for Sierra Riley was last updated on January 14, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.