Registry data as of Aug 27, 2026

Charles Streff, PH.D.

Psychologist · Acton, MA

Charles Streff, PH.D. is a psychologist with a practice address in Acton, Massachusetts, and NPI 1114029733, issued on Sep 3, 2006. Check the license (Massachusetts 2084, 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
1114029733
Name
Charles Streff
Credential
PH.D.
Primary taxonomy
Psychologist 103T00000X
License number
2084 MA
Self-reported in NPPES; status is on the state search
Practice location
532 Great RD, Acton, MA 01720
Phone
(978) 263-0439
Enumerated
Sep 3, 2006
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 532 Great RD

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

  1. Eleanor Fulton, PSY.D.Clinical Psychologist1285006734
  2. Michael Macht-Greenberg, PHD, MPHPsychologist1932130598
  3. Christopher Marobella, MSWClinical Social Worker1073705927
  4. Elaine Olmstead, RN PMHCNS-BCAdult Psychiatric/Mental Health Clinical Nurse Specialist1245229988
  5. Daniel Sanford, PSY.D.Clinical Psychologist1558389445
  6. Susan Valente, LICSWClinical Social Worker1780870527

Verify Charles Streff 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 2084
    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.

11 psychologist records list a Acton practice address

They are 11 of the 556 NPPES records with a Acton practice address, and 2,308 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. George Abbott, PHDNorthampton, MA1326103201
  3. Madelaine AbelBoston, MA1629622469
  4. John Ablon, PHDBoston, MA1629068929
  5. Melissa Abraham, PHDBoston, MA1942281167
  6. Shannon Abraham-Cook, PH.D.Worcester, MA1073860821
  7. John Abrams, PH.D.Andover, MA1982615811
  8. Walter Abrams, ED.D.Lexington, MA1013081181
  9. Beth Abramson, M.S.Holyoke, MA1659683241
  10. Joan Abramson, ED.D.Brookline, MA1932699105

Common questions

What is Charles Streff, PH.D.'s NPI number?

Charles Streff, PH.D.'s National Provider Identifier (NPI) is 1114029733, issued on Sep 3, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Charles Streff, PH.D. located?

The NPPES record lists a practice address at 532 Great RD, Acton, MA, 01720. Phone: (978) 263-0439. Providers update this record themselves, so call before visiting.

How can I verify Charles Streff, PH.D.'s license?

NPPES lists Massachusetts license number 2084, 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.