Registry data as of Aug 27, 2026

Eileen Brennan

Clinical Social Worker · Cambridge, MA

Eileen Brennan is a clinical social worker with a practice address in Cambridge, Massachusetts, and NPI 1750103081, issued on Oct 28, 2024. Check the license (Massachusetts 230238, as entered in NPPES) with the Massachusetts board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, loaded Aug 27, 2026 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1750103081
Name
Eileen Brennan
Primary taxonomy
Clinical Social Worker 1041C0700X
License number
230238 MA
Self-reported in NPPES; status is on the state search
Practice location
700 Massachusetts Ave FL 3, Cambridge, MA 02139
Phone
(888) 500-2067
Enumerated
Oct 28, 2024
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 700 Massachusetts Ave FL 3

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

  1. Kelly Abdalla, LCSWClinical Social Worker1720859564
  2. Madison AllredClinical Social Worker1154173516
  3. Fallyn Buckley, LCSWSocial Worker1114224771
  4. Wendy ChoyMental Health Counselor1871333187
  5. Ilknur Citlak, LICSWClinical Social Worker1659646206
  6. Overlande Davis, M.ED, LMHCBehavior Technician1477022796

Verify Eileen Brennan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
    Search for license 230238
    Check 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.

518 clinical social worker records list a Cambridge practice address

They are 518 of the 5,145 NPPES records with a Cambridge practice address, and 16,942 clinical social worker records in Massachusetts. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other clinical social worker records in Massachusetts

  1. Andrew Aaron, LICSWNew Bedford, MA1053477885
  2. Cynthia AaronFall River, MA1407258676
  3. Karla Abad, LCSWLynn, MA1598577470
  4. Amy Abair, LICSWBoston, MA1972821858
  5. Nicole Abair, LCSWLexington, MA1386590859
  6. Stephanie Abate, LICSWAmherst, MA1669580973
  7. Lynn Abbey, LICSWFall River, MA1437189248
  8. Bernard Abbot, MSWBoston, MA1861913188
  9. Mark Abbott, MSW, LICSWEast Falmouth, MA1134461445
  10. Paul Abbott, LICSWNorthampton, MA1558302398

Common questions

What is Eileen Brennan's NPI number?

Eileen Brennan's National Provider Identifier (NPI) is 1750103081, issued on Oct 28, 2024. An NPI identifies a provider in billing; it is not a license.

Where is Eileen Brennan located?

The NPPES record lists a practice address at 700 Massachusetts Ave FL 3, Cambridge, MA, 02139. Phone: (888) 500-2067. Providers update this record themselves, so call before visiting.

How can I verify Eileen Brennan's license?

NPPES lists Massachusetts license number 230238, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.