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

DR. MARGARET A. DENNISON PH.D.
NPI 1174601389
Psychologist in Mauston, WI

Active since November 02, 2006
102 W STATE ST, MAUSTON, WI 53948(608) 847-7924 Get Directions Write a Review

NPPES record last updated: August 9, 2026. Verified against the NPPES registry weekly; last sync: August 23, 2026.

About Dr. Margaret A. Dennison Ph.d. NPPES

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

DR. MARGARET A. DENNISON PH.D. (NPI 1174601389) is an individual psychologist in Mauston, Wisconsin, licensed in Wisconsin (2394-057) and active in the NPI registry since November 2006.

NPPES Registry Identity

NPI1174601389
Entity TypeIndividualFemale
Primary Taxonomy103T00000X
Provider Legal NameDR. MARGARET A. DENNISONCredential: PH.D.
Location Address102 W STATE STMauston, WI 53948-1354
Mailing AddressPo Box 193Mauston, WI 53948-0193 · (608) 847-7924
Sole ProprietorYes
Enumeration DateNovember 2, 2006
Last NPPES UpdateAugust 9, 2026
NPI 1174601389 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 WI · 2394-057
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 ListedCounselor · ProfessionalTaxonomy 101YP2500X · License 1555-125 (WI)
102 W STATE ST, Mauston, WI 53948

Other Names 1

Other Name (5)Peggy A Dennison

Other Identifiers 1

Medicaid39771600WI

Other Providers at the Same Location NPPES

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

Psychologist (Clinical)
102 W STATE ST
MAUSTON, WI 53948

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 Margaret Dennison's NPI number?

The NPI number for Margaret Dennison is 1174601389. It was assigned to this individual provider in the NPPES registry on November 2, 2006. The provider is also known as Peggy A Dennison.

Where is Margaret Dennison located?

Margaret Dennison practices at 102 W State St, Mauston, WI 53948. The listed phone number is (608) 847-7924.

What is Margaret Dennison's specialty?

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

When was this NPI record last updated?

The NPPES record for Margaret Dennison was last updated on August 9, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.