NPPES file of Aug 9, 2026

Sarah L. Lusk, PH.D.

Psychologist · Cambridge, MA

Sarah L. Lusk, PH.D. is a psychologist with a practice address in Cambridge, Massachusetts, and NPI 1639109788, issued on Jul 4, 2006. Check the license (Massachusetts 6404, 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, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1639109788
Name
Sarah Lusk
Credential
PH.D.
Primary taxonomy
Psychologist 103T00000X
License number
6404 MA
Self-reported in NPPES; status is on the state search
Practice location
20 Willard St, Cambridge, MA 02138
Phone
(617) 999-8078
Enumerated
Jul 4, 2006
Record last updated
May 13, 2025
Fax
(888) 382-5041
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 20 Willard St

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

  1. Elisa Cheng, M.D.Psychiatry Physician1811193287

Verify Sarah Lusk 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 6404
    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.

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184 psychologist records list a practice address in Cambridge

They are 184 of the 5,145 NPPES records with a practice address in Cambridge, and 2,367 psychologist records in Massachusetts. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other psychologist records in Massachusetts

  1. Maura Abate, PHDNewburyport, MA1710082144
  2. Mitchell Abblett, PH.D.Needham, MA1124175302
  3. George Abbott, PHDNorthampton, MA1326103201
  4. Madelaine AbelBoston, MA1629622469
  5. John Ablon, PHDBoston, MA1629068929
  6. Melissa Abraham, PHDBoston, MA1942281167
  7. Shannon Abraham-Cook, PH.D.Worcester, MA1073860821
  8. Brent AbramsBedford, MA1427783307
  9. Danielle Abrams, PHDCambridge, MA1891358438
  10. John Abrams, PH.D.Andover, MA1982615811

Common questions

What is Sarah L. Lusk, PH.D.'s NPI number?

Sarah L. Lusk, PH.D.'s National Provider Identifier (NPI) is 1639109788, issued on Jul 4, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Sarah L. Lusk, PH.D. located?

The NPPES record lists a practice address at 20 Willard St, Cambridge, MA, 02138. Phone: (617) 999-8078. Providers update this record themselves, so call before visiting.

How can I verify Sarah L. Lusk, PH.D.'s license?

NPPES lists Massachusetts license number 6404, 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), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.