DR. TREG ALLEN THOMAS PSY.D.
NPI 1871963611
Psychologist - Clinical in Grand Rapids, MI

Active since October 06, 2015PECOS EnrolledAccepts Medicare Assignment
100/100
CMS Quality Rating
4100 LAKE DR SE STE B01, GRAND RAPIDS, MI 49546(616) 267-7400 Get Directions Write a Review

NPPES record last updated: March 3, 2021. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Mar 3, 2021, Sep 30, 2020, Dec 18, 2017 and 1 more (4 updates tracked since 2016).

About Dr. Treg Allen Thomas Psy.d. NPPES

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

DR. TREG ALLEN THOMAS PSY.D. (NPI 1871963611) is an individual clinical provider in Grand Rapids, Michigan, licensed in Michigan (6301016860) and active in the NPI registry since October 2015. He is enrolled in Medicare PECOS, is affiliated with Spectrum Health, and is a graduate of Other (2008).

NPPES Registry Identity

NPI1871963611
Entity TypeIndividualMale
Primary Taxonomy103TC0700X
Provider Legal NameDR. TREG ALLEN THOMASCredential: PSY.D.
Location Address4100 LAKE DR SE STE B01Grand Rapids, MI 49546-8292
Mailing Address100 Michigan St Ne # Mc845Grand Rapids, MI 49503-2560
Sole ProprietorNo
Medical School CMSOtherGraduated 2008
Enumeration DateOctober 6, 2015
Last NPPES UpdateMarch 3, 20214 updates tracked since enumeration
NPPES CertifiedMarch 3, 2021
NPI 1871963611 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPsychologist · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code103TC0700X
License Licensed in MI · 6301016860
Definition

A psychologist who provides continuing and comprehensive mental and behavioral health care for individuals and families; consultation to agencies and communities; training, education and supervision; and research-based practice. It is a specialty in breadth -- one that is broadly inclusive of severe psychopathology -- and marked by comprehensiveness and integration of knowledge and skill from a broad array of disciplines within and outside of psychology proper. The scope of clinical psychology encompasses all ages, multiple diversities and varied systems.

4100 LAKE DR SE STE B01, Grand Rapids, MI 49546

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Dr. Treg Allen Thomas Psy.d. 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 ID3678831708
PECOS Enrollment IDI20171219003139
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.

Areas of Expertise CMS Part B claims

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.

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.
16 services16 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Spectrum Health

Acute Care Hospitals · Grand Rapids, MI
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number230038
Location100 Michigan St NEGrand Rapids, MI 49503 · Kent County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 49546 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$166.68 typical visit price
range $54.34 – $166.68
Typical copayment $41.67 (range $13.58 – $41.67)
Most-billed visit code 99205
Established Patient
$96.44 typical visit price
range $17.09 – $135.40
Typical copayment $24.11 (range $4.27 – $33.85)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

100/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality87.54
Promoting Interoperability100
Improvement Activities40

Other Providers at the Same Location NPPES 11

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

Family Medicine
4100 LAKE DR SE STE B01
GRAND RAPIDS, MI 49546
Family Medicine
4100 LAKE DR SE STE B01
GRAND RAPIDS, MI 49546
Surgery
4100 LAKE DR SE STE B01
GRAND RAPIDS, MI 49546
Physician Assistant
4100 LAKE DR SE STE B01
GRAND RAPIDS, MI 49546
Physician Assistant
4100 LAKE DR SE STE B01
GRAND RAPIDS, MI 49546
Physician Assistant
4100 LAKE DR SE STE B01
GRAND RAPIDS, MI 49546
Psychologist (Clinical)
4100 LAKE DR SE STE B01
GRAND RAPIDS, MI 49546
Psychologist (Clinical)
4100 LAKE DR SE STE B01
GRAND RAPIDS, MI 49546

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 Treg Thomas's NPI number?

The NPI number for Treg Thomas is 1871963611. It was assigned to this individual provider in the NPPES registry on October 6, 2015.

Where is Treg Thomas located?

Treg Thomas practices at 4100 Lake Dr SE Ste B01, Grand Rapids, MI 49546. The listed phone number is (616) 267-7400.

What is Treg Thomas's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in Clinical, with taxonomy code 103TC0700X.

Is Treg Thomas enrolled in Medicare?

Yes. Treg Thomas 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.

What insurance does Treg Thomas accept?

Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, McLaren Health Plan Community and Priority Health and 1 other insurer list Treg Thomas as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Treg Thomas affiliated with any hospitals?

According to CMS data, Treg Thomas is affiliated with Spectrum Health.

When was this NPI record last updated?

The NPPES record for Treg Thomas was last updated on March 3, 2021. NPI Profile syncs with the weekly NPPES data releases published by CMS.