DR. WILLIAM CLIFFORD IRVING III PHD
NPI 1477669778
Psychologist in Grosse Pointe Woods, MI

Active since August 21, 2006PECOS Enrolled
831 WOODS LN, GROSSE POINTE WOODS, MI 48236(586) 443-4402(586) 443-4412 Get Directions Write a Review

NPPES record last updated: June 8, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Dr. William Clifford Irving Iii Phd NPPES

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

DR. WILLIAM CLIFFORD IRVING III PHD (NPI 1477669778) is an individual psychologist in Grosse Pointe Woods, Michigan, licensed in Michigan (WI002945) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS and is a graduate of Other (1987).

NPPES Registry Identity

NPI1477669778
Entity TypeIndividualMale
Primary Taxonomy103T00000X
Provider Legal NameDR. WILLIAM CLIFFORD IRVING IIICredential: PHD
Location Address831 WOODS LNGrosse Pointe Woods, MI 48236-1162
Mailing Address831 Woods LnGrosse Pointe Woods, MI 48236-1162 · (586) 443-4402 · Fax (586) 443-4412
Fax(586) 443-4412
Sole ProprietorNo
Medical School CMSOtherGraduated 1987
Enumeration DateAugust 21, 2006
Last NPPES UpdateJune 8, 2026
NPPES CertifiedJune 8, 2026
NPI 1477669778 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPsychologistBehavioral Health & Social Service Providers
Taxonomy Code103T00000X
License Licensed in MI · WI002945
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.
831 WOODS LN, Grosse Pointe Woods, MI 48236

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 (PECOS)

Dr. William Clifford Irving Iii Phd is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID8123285236
PECOS Enrollment IDI20120207000047
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.

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 William Irving's NPI number?

The NPI number for William Irving is 1477669778. It was assigned to this individual provider in the NPPES registry on August 21, 2006.

Where is William Irving located?

William Irving practices at 831 Woods Ln, Grosse Pointe Woods, MI 48236. The listed phone number is (586) 443-4402.

What is William Irving's specialty?

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

Is William Irving enrolled in Medicare?

Yes. William Irving is registered in the Medicare PECOS enrollment system.

What insurance does William Irving accept?

Health plans from Blue Cross Blue Shield of Michigan Mutual Insurance Company list William Irving 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 William Irving was last updated on June 8, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 months 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.