NPPES file of Aug 9, 2026

Diana L. Dill, ED.D.

Psychologist · Belmont, MA

Diana L. Dill, ED.D. is a psychologist with a practice address in Belmont, Massachusetts, and NPI 1891831129, issued on Jan 30, 2007. Check the license (Massachusetts 4212, 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
1891831129
Name
Diana L. Dill
Credential
ED.D.
Primary taxonomy
Psychologist 103T00000X
License number
4212 MA
Self-reported in NPPES; status is on the state search
Practice location
Dill And Associates, Incorporated, Belmont, MA 02478
Phone
(617) 876-2448
Enumerated
Jan 30, 2007
Record last updated
Jul 9, 2007 (not updated in 19 years: call before relying on the address or phone)
Medicaid ID
0521167 MA
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 Diana L. Dill 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 4212
    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
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Diana L. Dill among 2,367 psychologist records in Massachusetts

Diana L. Dill, ED.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).

34 psychologist records list a practice address in Belmont

They are 34 of the 1,008 NPPES records with a practice address in Belmont, 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. Ryan Boxill, PHDBelmont, MA 024781538143946
  2. Jeanine Brescia, PH.D.Belmont, MA 024781578647962
  3. Carol Coutu, PH.D.Belmont, MA 024781124164371
  4. Martha Dewitt, PH.D.Belmont, MA 024781144209396
  5. Margaret Nichols, PSYDBelmont, MA 024781396818084
  6. Martin Norman, PHDBelmont, MA 024781598772741
  7. James O'Rourke, PSY.D.Belmont, MA 024781568567261
  8. Arlyn Roffman, PH.D.Belmont, MA 024781194842088

Common questions

What is Diana L. Dill, ED.D.'s NPI number?

Diana L. Dill, ED.D.'s National Provider Identifier (NPI) is 1891831129, issued on Jan 30, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Diana L. Dill, ED.D. located?

The NPPES record lists a practice address at Dill And Associates, Incorporated, Belmont, MA, 02478. Phone: (617) 876-2448. Providers update this record themselves, so call before visiting.

How can I verify Diana L. Dill, ED.D.'s license?

NPPES lists Massachusetts license number 4212, 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.