NPPES file of Aug 9, 2026

Ethan Aaron Eisdorfer, PSYD

Clinical Psychologist · Worcester, MA

Ethan Aaron Eisdorfer, PSYD is a clinical psychologist with a practice address in Worcester, Massachusetts, and NPI 1083864946, issued on Sep 26, 2008. Check the license (Massachusetts 11368, as entered in NPPES) 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 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1083864946
Name
Ethan Aaron Eisdorfer
Credential
PSYD
Primary taxonomy
Clinical Psychologist 103TC0700X
License number
11368 MA
Self-reported in NPPES; status is on the state search
Practice location
55 Lake Ave N, Worcester, MA 01655
Phone
(508) 334-2731
Enumerated
Sep 26, 2008
Record last updated
Mar 5, 2025
Fax
(774) 442-4672
Medicare enrollment
Enrolled (PECOS I20210201000663); accepts Medicare assignment
Medical or professional school
Rutgers New Jersey Medical School, 2018
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.
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Also registered at 55 Lake Ave N

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

  1. Nawal Aamir, MDInternal Medicine Physician1588248926
  2. Amarys Abadie, CRNACertified Registered Nurse Anesthetist1992936843
  3. Paula Abate, NPNurse Practitioner1336265909
  4. Aly AbayazeedDiagnostic Radiology Physician1821221946
  5. Zainab AbbasDermatology Physician1609028000
  6. Mary-Alice Abbott, MDClinical Genetics (M.D.) Physician1982799417

Verify Ethan Aaron Eisdorfer 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 11368
    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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Bills Medicare through one group practice

  1. Umass Memorial Medical Group IncWorcester, MA

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

Ethan Aaron Eisdorfer among 3,185 clinical psychologist records in Massachusetts

Ethan Aaron Eisdorfer, PSYD 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. Its NPI, issued in 2008, is newer than 50% of them.

  • NPI issued2008 · 50% of these records are older, 45% newer
  • In a Medicare fileYes · 12% of these records are
  • In the CMS Doctors and Clinicians fileYes · 24% of these records are
  • Graduated2018 · median 2000 among the 777 with a school on file
  • Record last updated2025 · 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).

160 clinical psychologist records list a practice address in Worcester

They are 160 of the 13,166 NPPES records with a practice address in Worcester, and 3,185 clinical psychologist records in Massachusetts.

The 8 clinical psychologist records with the nearest ZIP codes

  1. Aimee Asgarian, PSY.D.Worcester, MA 016551942262894
  2. Geri Fuhrmann, PSY.DWorcester, MA 016551023082120
  3. Marie Fusaro-Davis, PH.D.Worcester, MA 016551063486165
  4. William Garrison, PH.D.Worcester, MA 016551427037258
  5. Jessica Griffin, PSY.DWorcester, MA 016551780602912
  6. Charles Hamad, PH.D.Worcester, MA 016551861417891
  7. Jurgen Kedesdy, PH.D.Worcester, MA 016551760460190
  8. Jennifer Lauretti-Robbins, PHDWorcester, MA 016551164440384

Common questions

What is Ethan Aaron Eisdorfer, PSYD's NPI number?

Ethan Aaron Eisdorfer, PSYD's National Provider Identifier (NPI) is 1083864946, issued on Sep 26, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Ethan Aaron Eisdorfer, PSYD located?

The NPPES record lists a practice address at 55 Lake Ave N, Worcester, MA, 01655. Phone: (508) 334-2731. Providers update this record themselves, so call before visiting.

How can I verify Ethan Aaron Eisdorfer, PSYD's license?

NPPES lists Massachusetts license number 11368, 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. 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.