NPPES file of Aug 9, 2026

Priscilla L. Ellison, PSY.D.

Clinical Psychologist · Cambridge, MA

Priscilla L. Ellison, PSY.D. is a clinical psychologist with a practice address in Cambridge, Massachusetts, and NPI 1033340559, issued on Jul 31, 2009. Check the license (Massachusetts 4855, 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
1033340559
Name
Priscilla L. Ellison
Credential
PSY.D.
Primary taxonomy
Clinical Psychologist 103TC0700X
License number
4855 MA
Self-reported in NPPES; status is on the state search
Practice location
328 Broadway, Cambridge, MA 02139
Phone
(617) 661-0021
Enumerated
Jul 31, 2009
Record last updated
Jul 31, 2009 (not updated in 17 years: call before relying on the address or phone)
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 328 Broadway

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

  1. Ayelet Barkai, M.D.Child & Adolescent Psychiatry Physician1841247582
  2. Carol Sue Birnbaum, M.D.Psychiatry Physician1184749004
  3. Yenkuei Chuang, PH.D.Clinical Psychologist1659393551
  4. Ann Epstein, MDPsychiatry Physician1821137704
  5. Diane Fader, PH.D.Clinical Psychologist1992852016
  6. Matthew Kelsey, LICSWClinical Social Worker1154039394

Verify Priscilla L. Ellison 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 4855
    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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Priscilla L. Ellison among 3,185 clinical psychologist records in Massachusetts

Priscilla L. Ellison, PSY.D. is one of 3,185 clinical psychologist records with a practice address in Massachusetts. 12% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2009, is newer than 55% of them.

  • NPI issued2009 · 55% of these records are older, 42% newer
  • In a Medicare fileNo · 12% of these records are
  • In the CMS Doctors and Clinicians fileNo · 24% of these records are
  • Record last updated2009 · 71% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 103TC0700X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

267 clinical psychologist records list a practice address in Cambridge

They are 267 of the 5,145 NPPES records with a practice address in Cambridge, and 3,185 clinical psychologist records in Massachusetts. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 clinical psychologist records with the nearest ZIP codes

  1. Cynthia Berman, PSY.D.Cambridge, MA 021391316019755
  2. Yenkuei Chuang, PH.D.Cambridge, MA 021391659393551
  3. Camille Dibenedetto, PSYDCambridge, MA 021391013028604
  4. Silvia Gosnell, PH.D.Cambridge, MA 021391346329885
  5. Patricia Harney, PHDCambridge, MA 021391386607570
  6. Xiaolu Hsi, PH.DCambridge, MA 021391316982002
  7. Uriel Meshoulam, PH.D.Cambridge, MA 021391568542322
  8. Monique Noelle, PHDCambridge, MA 021391770548125

Common questions

What is Priscilla L. Ellison, PSY.D.'s NPI number?

Priscilla L. Ellison, PSY.D.'s National Provider Identifier (NPI) is 1033340559, issued on Jul 31, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Priscilla L. Ellison, PSY.D. located?

The NPPES record lists a practice address at 328 Broadway, Cambridge, MA, 02139. Phone: (617) 661-0021. Providers update this record themselves, so call before visiting.

How can I verify Priscilla L. Ellison, PSY.D.'s license?

NPPES lists Massachusetts license number 4855, 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.