DR. THOMAS J GUILMETTE
NPI 1629140595
Clinical Neuropsychologist in Providence, RI

Active since November 15, 2006PECOS EnrolledAccepts Medicare Assignment
21 PEACE ST, PROVIDENCE, RI 02907(401) 456-3309 Get Directions Write a Review

NPPES record last updated: September 27, 2007. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Thomas J Guilmette NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. THOMAS J GUILMETTE (NPI 1629140595) is an individual clinical neuropsychologist in Providence, Rhode Island, licensed in Rhode Island (PS00271) and active in the NPI registry since November 2006. He is enrolled in Medicare PECOS and is a graduate of Other (1982).

NPPES Registry Identity

NPI1629140595
Entity TypeIndividualMale
Primary Taxonomy103G00000X
Provider Legal NameDR. THOMAS J GUILMETTE
Location Address21 PEACE STProvidence, RI 02907-1510
Mailing Address200 High Service AveNorth Providence, RI 02904-5113
Sole ProprietorYes
Medical School CMSOtherGraduated 1982
Enumeration DateNovember 15, 2006
Last NPPES UpdateSeptember 27, 2007
✔ NPI 1629140595 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyClinical NeuropsychologistBehavioral Health & Social Service Providers
Taxonomy Code103G00000X
License✔ Licensed in RI · PS00271
Definition
A clinical psychologist who applies principles of assessment and intervention based upon the scientific study of human behavior as it relates to normal and abnormal functioning of the central nervous system. The specialty is dedicated to enhancing the understanding of brain-behavior relationships and the application of such knowledge to human problems.
Also ListedPsychologistTaxonomy 103T00000X · License PS00271 (RI)
21 PEACE ST, Providence, RI 02907

Other Identifiers 1

OtherPS00271RI · License Number

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Thomas J Guilmette is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID3375559107
PECOS Enrollment IDI20060329000117
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

2

Medicare enrollment records show Thomas Guilmette reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Clinical Neuropsychologist
50 MAUDE ST, ELMHURST 5TH FLOOR
Providence, RI 02908
  • Reassigned Medicare billing, Rhode Island enrollment
  • 5 clinicians in this Medicare group
Internal Medicine
200 HIGH SERVICE AVE
North Providence, RI 02904
  • Reassigned Medicare billing, Rhode Island enrollment
  • 110 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 5

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Administration of psychological or neuropsychological test, each additional 30 minutes 96137
This procedure involves administering psychological or neuropsychological tests to evaluate your mental functions. Each additional 30 minutes allows for a more in-depth assessment of your cognitive abilities, emotions, and behavior. It's crucial for accurate diagnosis and treatment planning.
105 services15 patients
Evaluation of neuropsychological test, each additional hour 96133
This service involves further evaluation of your neuropsychological test results beyond the initial hour. It helps to understand your cognitive functioning better, focusing on areas like memory, attention, and problem-solving skills.
60 services15 patients
Psychiatric diagnostic evaluation 90791
A psychiatric diagnostic evaluation is a thorough assessment used to identify any mental health conditions you may have. It involves a detailed discussion about your symptoms, thoughts, feelings and behavior patterns. Your medical history and family's mental health history are also considered.
15 services15 patients
Evaluation of neuropsychological test, first hour 96132
An evaluation of neuropsychological tests is a process to assess your brain's function. It involves tasks designed to measure cognitive abilities such as memory, attention, problem-solving, and language skills. The first hour involves initial testing and observation.
15 services15 patients
Administration of psychological or neuropsychological test, first 30 minutes 96136
This procedure involves a health professional conducting a psychological or neuropsychological test. The first 30 minutes typically involve understanding your mental health or brain function through various assessments. This helps in diagnosing and treating mental health disorders effectively.
15 services15 patients

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Clinic/Center (Urgent Care)
21 PEACE ST
PROVIDENCE, RI 02907
Orthopaedic Surgery
21 PEACE ST, CORPORATE CARE
PROVIDENCE, RI 02907
Interpreter
21 PEACE ST
PROVIDENCE, RI 02907
Dentist
21 PEACE ST, ST. JOSEPH PEDI. DENTAL
PROVIDENCE, RI 02907
Dentist
21 PEACE ST
PROVIDENCE, RI 02907
Physical Medicine & Rehabilitation
21 PEACE ST
PROVIDENCE, RI 02907
Family Medicine
21 PEACE ST
PROVIDENCE, RI 02907
Internal Medicine
21 PEACE ST
PROVIDENCE, RI 02907

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Thomas Guilmette's NPI number?

The NPI number for Thomas Guilmette is 1629140595. It was assigned to this individual provider in the NPPES registry on November 15, 2006.

Where is Thomas Guilmette located?

Thomas Guilmette practices at 21 Peace St, Providence, RI 02907. The listed phone number is (401) 456-3309.

What is Thomas Guilmette's specialty?

The primary specialty registered for this NPI is Clinical Neuropsychologist with taxonomy code 103G00000X.

Is Thomas Guilmette enrolled in Medicare?

Yes. Thomas Guilmette is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Thomas Guilmette's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Thomas Guilmette reassigns Medicare benefits to 2 organizations: Neuropsychology Partners, Inc (Providence, RI) and Prospect Chartercare Sjhsri, LLC (North Providence, RI). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Thomas Guilmette's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Thomas Guilmette was last updated on September 27, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.