NPPES file of Aug 9, 2026

Timothy John Butler, PH.D.

Psychologist · Somerville, MA

Timothy John Butler, PH.D. is a psychologist with a practice address in Somerville, Massachusetts, and NPI 1831255967, issued on Jan 1, 2007. Check the license (Massachusetts 3581, 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
1831255967
Name
Timothy John Butler
Credential
PH.D.
Primary taxonomy
Psychologist 103T00000X
License number
3581 MA
Self-reported in NPPES; status is on the state search
Practice location
15 Eastman RD, Somerville, MA 02143
Phone
(617) 776-3465
Enumerated
Jan 1, 2007
Record last updated
Jul 8, 2007 (not updated in 19 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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Verify Timothy John Butler 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 3581
    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

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Timothy John Butler among 2,367 psychologist records in Massachusetts

Timothy John Butler, PH.D. 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 2007, is newer than 29% of them.

  • NPI issued2007 · 29% of these records are older, 54% newer
  • In a Medicare fileNo · 11% of these records are
  • In the CMS Doctors and Clinicians fileNo · 21% of these records are
  • Record last updated2007 · 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).

28 psychologist records list a practice address in Somerville

They are 28 of the 1,860 NPPES records with a practice address in Somerville, 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. Lynda Bolduc-HicksSomerville, MA 021431497828750
  2. Joseph Calabrese, PH.D.Somerville, MA 021431235347287
  3. Virginia Donovan, PH.D.Somerville, MA 021431174565501
  4. Kimberly Faris, PSYDSomerville, MA 021431043427750
  5. Linda HuttonSomerville, MA 021431477610962
  6. Diya Kallivayalil, PH.DSomerville, MA 021431275754863
  7. Suzanne McCarthy, PHDSomerville, MA 021431891992186
  8. Michael Mullane, PHDSomerville, MA 021431295251056

Common questions

What is Timothy John Butler, PH.D.'s NPI number?

Timothy John Butler, PH.D.'s National Provider Identifier (NPI) is 1831255967, issued on Jan 1, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Timothy John Butler, PH.D. located?

The NPPES record lists a practice address at 15 Eastman RD, Somerville, MA, 02143. Phone: (617) 776-3465. Providers update this record themselves, so call before visiting.

How can I verify Timothy John Butler, PH.D.'s license?

NPPES lists Massachusetts license number 3581, 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.