NPPES file of Aug 9, 2026

Sierra Black

Social Worker · Cambridge, MA

Sierra Black is a social worker with a practice address in Cambridge, Massachusetts, and NPI 1891242376, issued on Sep 1, 2016. Check the license with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1891242376
Name
Sierra Black
Primary taxonomy
Social Worker 104100000X
Practice location
1493 Cambridge Street, Cambridge, MA 02139
Phone
(617) 665-1185
Enumerated
Sep 1, 2016
Record last updated
Nov 11, 2020 (not updated in 6 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20210218000377); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 1493 Cambridge Street

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Bridget Andrews, DPTPhysical Therapist1801313689
  2. Pierlyne Armand, RNRegistered Nurse1437677887
  3. Elizabeth Baumann, PH.D.Clinical Psychologist1245547025
  4. Cari Benbasset-Miller, M.D.Family Medicine Physician1922398486
  5. Guoli Chen, CRNACertified Registered Nurse Anesthetist1417252487
  6. Margaret Coleman, M.D.Pediatrics Physician1083651277

Verify Sierra Black in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Massachusetts board licenses this professionCheck the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Find the Massachusetts license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

The practice group's MIPS final score for 2023 (Medicare payment program): 86.3 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score78.8
  2. Costout of 100 · 30%58.7
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. Cambridge Public Health CommissionCambridge, MA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

269 social worker records list a practice address in Cambridge

They are 269 of the 5,145 NPPES records with a practice address in Cambridge, and 5,517 social worker records in Massachusetts.

Other social worker records in Massachusetts

  1. Chelsea Aaron, MSW, LCSWStoneham, MA1679129761
  2. Flannery AbbeyCambridge, MA1508604273
  3. Sarah Abbott, LSWFramingham, MA1023168945
  4. Sharon AbdallaSpringfield, MA1538759782
  5. Rana AbdallahCambridge, MA1689220204
  6. Marissa Abdow, LICSWNorth Quincy, MA1548894934
  7. Nicholas AbrahamWorcester, MA1023555208
  8. Betsy AbramsCambridge, MA1639654361
  9. Debra Abrams, LICSWCambridge, MA1508084070
  10. Nancy Abrams, LSWCambridge, MA1477670685

Common questions

What is Sierra Black's NPI number?

Sierra Black's National Provider Identifier (NPI) is 1891242376, issued on Sep 1, 2016. An NPI identifies a provider in billing; it is not a license.

Where is Sierra Black located?

The NPPES record lists a practice address at 1493 Cambridge Street, Cambridge, MA, 02139. Phone: (617) 665-1185. Providers update this record themselves, so call before visiting.

How can I verify Sierra Black's license?

Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.

What is Sierra Black's MIPS final score?

The 2023 MIPS final score is 86.3 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.