NPPES file of Aug 9, 2026

Guy Sapirstein, PHD

Psychologist · Cambridge, MA

Guy Sapirstein, PHD is a psychologist with a practice address in Cambridge, Massachusetts, and NPI 1437136470, issued on Dec 30, 2005. Check the license (Massachusetts 7160, 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
1437136470
Name
Guy Sapirstein
Credential
PHD
Primary taxonomy
Psychologist 103T00000X
License number
7160 MA
Self-reported in NPPES; status is on the state search
Practice location
263 Concord Ave Apt 1, Cambridge, MA 02138
Phone
(617) 964-6543
Enumerated
Dec 30, 2005
Record last updated
Oct 27, 2022
Medicare enrollment
Enrolled (PECOS I20160721001223); 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.
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Verify Guy Sapirstein 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 7160
    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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Guy Sapirstein among 2,367 psychologist records in Massachusetts

Guy Sapirstein, PHD is one of 2,367 psychologist records with a practice address in Massachusetts. 11% 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 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 95% newer
  • In a Medicare fileNo · 11% of these records are
  • In the CMS Doctors and Clinicians fileYes · 21% of these records are
  • Graduated1995 · median 1997 among the 487 with a school on file
  • Record last updated2022 · 68% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 103T00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

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.

The 8 psychologist records with the nearest ZIP codes

  1. Jaine Darwin, PSY.D.Cambridge, MA 021381417980780
  2. Rochelle Davis, ED DCambridge, MA 021381295790095
  3. Aude Henin, PHDCambridge, MA 021381164412631
  4. Dina Hirshfeld-Becker, PHDCambridge, MA 021381851371728
  5. Rosalind Kearney, PSYDCambridge, MA 021381922071901
  6. Peter Lawner, PHDCambridge, MA 021381255315412
  7. Paul Levenson, PH.D.Cambridge, MA 021381174580021
  8. Sarah Lusk, PH.D.Cambridge, MA 021381639109788

Common questions

What is Guy Sapirstein, PHD's NPI number?

Guy Sapirstein, PHD's National Provider Identifier (NPI) is 1437136470, issued on Dec 30, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Guy Sapirstein, PHD located?

The NPPES record lists a practice address at 263 Concord Ave Apt 1, Cambridge, MA, 02138. Phone: (617) 964-6543. Providers update this record themselves, so call before visiting.

How can I verify Guy Sapirstein, PHD's license?

NPPES lists Massachusetts license number 7160, 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.