NPPES file of Aug 9, 2026

Allison Gregg

Clinical Neuropsychologist · Belmont, MA

Allison Gregg is a clinical neuropsychologist with a practice address in Belmont, Massachusetts, and NPI 1386343911, issued on Mar 2, 2023. Check the license (Massachusetts PSY10001181, 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
1386343911
Name
Allison Gregg
Primary taxonomy
Clinical Neuropsychologist 103G00000X
License number
PSY10001181 MA
Self-reported in NPPES; status is on the state search
Practice location
115 Mill St, Belmont, MA 02478
Phone
(617) 855-2000
Enumerated
Mar 2, 2023
Record last updated
Apr 7, 2026
Medicare enrollment
Enrolled (PECOS I20260224000503); may accept Medicare assignment
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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8 nearest clinical neuropsychologist records → All 338 in Massachusetts → Look up another NPI →

Also registered at 115 Mill St

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

  1. Blaise Aguirre, MDChild & Adolescent Psychiatry Physician1619936846
  2. Kayia Akoun, M.D.Psychiatry Physician1588028732
  3. Rana Alam-RomanosSocial Worker1487420311
  4. Robert Alexander, M.D.Psychiatry Physician1447526074
  5. Madeleine AllenStudent in an Organized Health Care Education/Training Program1205553971
  6. Danielle Alleven, PSY.D.Clinical Psychologist1891741153

Verify Allison Gregg 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 PSY10001181    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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Allison Gregg among 338 clinical neuropsychologist records in Massachusetts

Allison Gregg is one of 338 clinical neuropsychologist records with a practice address in Massachusetts. 19% 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 2023, is newer than 93% of them.

  • NPI issued2023 · 93% of these records are older, 4% newer
  • In a Medicare fileNo · 19% of these records are
  • In the CMS Doctors and Clinicians fileYes · 28% of these records are
  • Graduated2023 · median 2011 among the 93 with a school on file
  • Record last updated2026 · 64% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 103G00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

10 clinical neuropsychologist records list a practice address in Belmont

They are 10 of the 1,008 NPPES records with a practice address in Belmont, and 338 clinical neuropsychologist records in Massachusetts. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 338 in Massachusetts → Every provider in Belmont → Clinical Neuropsychologist nationwide →

The 8 clinical neuropsychologist records with the nearest ZIP codes

  1. Michael Brinkman, PSY.D.Belmont, MA 024781881831493
  2. Ronald Calvanio, PHDBelmont, MA 024781184600215
  3. Steffen Fuller, PH.D.Belmont, MA 024781467598961
  4. Murphy Harrell-Monty, PHDBelmont, MA 024781922741149
  5. Naomi Okafor, JJDS, SURGEONBelmont, MA 024781568306892
  6. Kathryn Piscitelle, PSY.D.Belmont, MA 024781922358969
  7. Lee Reich, PH.DBelmont, MA 024781063563427
  8. Sara Weisenbach, PHDBelmont, MA 024781912179128

Common questions

What is Allison Gregg's NPI number?

Allison Gregg's National Provider Identifier (NPI) is 1386343911, issued on Mar 2, 2023. An NPI identifies a provider in billing; it is not a license.

Where is Allison Gregg located?

The NPPES record lists a practice address at 115 Mill St, Belmont, MA, 02478. Phone: (617) 855-2000. Providers update this record themselves, so call before visiting.

How can I verify Allison Gregg's license?

NPPES lists Massachusetts license number PSY10001181, 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.