Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. GARY JOHN GUNTHER PH.D.
NPI 1700823382
Psychologist in Farmington Hills, MI

Active since June 01, 2006PECOS EnrolledAccepts Medicare Assignment
33045 HAMILTON CT, SUITE W-300, FARMINGTON HILLS, MI 48334(248) 848-1558(248) 848-3592 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Jul 13, 2026, Sep 11, 2025 (2 updates tracked since 2025).

About Dr. Gary John Gunther Ph.d. NPPES

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

DR. GARY JOHN GUNTHER PH.D. (NPI 1700823382) is an individual psychologist in Farmington Hills, Michigan, licensed in Michigan (005046) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS and is a graduate of Other (1991).

NPPES Registry Identity

NPI1700823382
Entity TypeIndividualMale
Primary Taxonomy103T00000X
Provider Legal NameDR. GARY JOHN GUNTHERCredential: PH.D.
Location Address33045 HAMILTON CT, SUITE W-300Farmington Hills, MI 48334-3385
Mailing Address33045 Hamilton Ct, Suite W-300Farmington Hills, MI 48334-3385 · (248) 848-1558 · Fax (248) 848-3592
Fax(248) 848-3592
Sole ProprietorNo
Medical School CMSOtherGraduated 1991
Enumeration DateJune 1, 2006
Last NPPES UpdateJuly 13, 20262 updates tracked since enumeration
NPI 1700823382 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyPsychologistBehavioral Health & Social Service Providers
Taxonomy Code103T00000X
License Licensed in MI · 005046
Definition
A psychologist is an individual who is licensed to practice psychology which is defined as the observation, description, evaluation, interpretation, and modification of human behavior by the application of psychological principles, methods, and procedures, for the purpose of preventing or eliminating symptomatic, maladaptive, or undesired behavior and of enhancing interpersonal relationships, work and life adjustment, personal effectiveness, behavioral health, and mental health. The practice of psychology includes, but is not limited to, psychological testing and the evaluation or assessment of personal characteristics, such as intelligence, personality, abilities, interests, aptitudes, and neuropsychological functioning; counseling, psychoanalysis, psychotherapy, hypnosis, biofeedback, and behavior analysis and therapy; diagnosis and treatment of mental and emotional disorder or disability, alcoholism and substance abuse, disorders of habit or conduct, as well as of the psychological aspects of physical illness, accident, injury, or disability; and psycheducational evaluation, therapy, remediation, and consultation. Psychological services may be rendered to individuals, families, groups and the public.
Also ListedPsychologist · ClinicalTaxonomy 103TC0700X · License 005046 (MI)
33045 HAMILTON CT, Farmington Hills, MI 48334

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. Gary John Gunther Ph.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 ID8729034855
PECOS Enrollment IDI20050322000972
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.

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.

Counselor (Mental Health)
33045 HAMILTON CT, SUITE W-300
FARMINGTON HILLS, MI 48334
Social Worker (Clinical)
33045 HAMILTON CT, SUITE W-300
FARMINGTON HILLS, MI 48334
Social Worker (Clinical)
33045 HAMILTON CT, SUITE W-300
FARMINGTON HILLS, MI 48334
Psychologist (Clinical)
33045 HAMILTON CT, SUITE W-300
FARMINGTON HILLS, MI 48334
Psychologist
33045 HAMILTON CT, SUITE W-300
FARMINGTON HILLS, MI 48334
Psychologist
33045 HAMILTON CT, SUITE W-300
FARMINGTON HILLS, MI 48334
Social Worker (Clinical)
33045 HAMILTON CT, SUITE W-300
FARMINGTON HILLS, MI 48334
Home Health
33045 HAMILTON CT, STE 208E
FARMINGTON HILLS, MI 48334

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 Gary Gunther's NPI number?

The NPI number for Gary Gunther is 1700823382. It was assigned to this individual provider in the NPPES registry on June 1, 2006.

Where is Gary Gunther located?

Gary Gunther practices at 33045 Hamilton Ct Suite W-300, Farmington Hills, MI 48334. The listed phone number is (248) 848-1558.

What is Gary Gunther's specialty?

The primary specialty registered for this NPI is Psychologist with taxonomy code 103T00000X.

Is Gary Gunther enrolled in Medicare?

Yes. Gary Gunther 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 Gary Gunther accept?

Health plans from Blue Cross Blue Shield of Michigan Mutual Insurance Company, Oscar Insurance Company, Priority Health, Providence Health Plan and UnitedHealthcare list Gary Gunther 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.

When was this NPI record last updated?

The NPPES record for Gary Gunther was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 39 days 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.