DR. JEFFREY JAY GAINES (PH.D.) – Clinical Neuropsychologist, NPI 1396764692

DR. JEFFREY JAY GAINES (PH.D.) is a healthcare provider. based in Westborough, Massachusetts. specializing in CLINICAL PSYCHOLOGIST. They hold the professional credentials PH.D.. They hold a License No. 3141 (CT). The NPI Number for DR. JEFFREY JAY GAINES (PH.D.) is 1396764692

Main info

Male
Sole Proprietor
25 Years Of Experience
Accepts Medicare Assignment
Name
DR. JEFFREY JAY GAINES (PH.D.)
NPI
1396764692
Phone
(617) 223-1563
Address
PO BOX 191
Enumeration Date
18 July 2006
Last Update Date
3 September 2025

Doctor Profile

Medical School Name
OTHER
Secondary Phone
2032842800
Graduation Year
2001 (25 years ago)
PAC ID
7416900816
Group Practice PAC ID
1153224191
Professional Enrollment ID
I20221222000776
Address ID
CT064922828WA50XXXRDXX400
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience71
Completeness85
Years active:19State licenses:2Digital endpointsOther names

1,694 CLINICAL PSYCHOLOGIST in MA

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Provider Addresses for DR. JEFFREY JAY GAINES (PH.D.)

  • PO BOX 191

    WESTBOROUGH, MA 015810191

    Phone: (617) 223-1563

    Type: Mailing

  • 50 GAYLORD FARM RD

    WALLINGFORD, CT 064922899

    Phone: (203) 284-2800

    Type: Mailing

  • 50, Elm Street, Downtown, Worcester, Worcester County, Massachusetts, 01608, United States

    SUITE 6

    WORCESTER, MA 016092574

    Phone: (617) 223-1563

    Type: Location

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

No Open Payments data available for this provider.

This can happen when there are no reportable CMS Open Payments records.

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2022-12-22

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20221222000776IClinical PsychologistCTTBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

Top Medicare procedures (2023) · refreshed 2026-05-27

HCPCSDescriptionServicesBeneficiariesMedicare allowed
96133Evaluation of neuropsychological test, each additional hour5511$0
96116Exam of neurobehavioral status, first hour1111$0
96132Evaluation of neuropsychological test, first hour1111$0
View full utilization report →

Insurance plans in this area (ZIP 01581)

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Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 1153224191View full group profile
NameSpecialtyState
Nurse PractitionerCT
Nuclear Medicine, Cardiovascular Disease (Cardiology), Internal MedicineCT
Physical Medicine And RehabilitationCT
-CT
Physical Medicine And RehabilitationNY
Clinical PsychologistMA
Internal MedicineCT
Gastroenterology, Internal MedicineCT
Internal Medicine, HospitalistCT
Interventional Pain ManagementCT

Reviews

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Frequently asked questions

Can I verify DR. JEFFREY JAY GAINES (PH.D.) with an NPI only?
You can start verification with NPI 1396764692 for DR. JEFFREY JAY GAINES (PH.D.), then check state licensing separately.
Can I rely on DR. JEFFREY JAY GAINES (PH.D.) being an active provider?
As of the registry snapshot, DR. JEFFREY JAY GAINES (PH.D.) is marked active.
What healthcare role does DR. JEFFREY JAY GAINES (PH.D.) hold?
Scheduling teams often label DR. JEFFREY JAY GAINES (PH.D.) under Clinical Neuropsychologist. Clinical services aligned with this taxonomy classification.
What area does DR. JEFFREY JAY GAINES (PH.D.) serve?
DR. JEFFREY JAY GAINES (PH.D.)'s listing highlights Westborough, Massachusetts; more addresses can appear in NPPES.
Is specialty guaranteed by NPI alone?
Taxonomy selections describe intent; scope of practice still follows state law.