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

HOLLIE DUONNOLO
NPI 1750262473
Psychologist in Willow Grove, PA

Active since September 09, 2025
630 FITZWATERTOWN RD STE A1, WILLOW GROVE, PA 19090(267) 859-2161 Get Directions Write a Review

NPPES record last updated: October 6, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Oct 6, 2026, Sep 9, 2025 (2 updates tracked since 2025).

About Hollie Duonnolo NPPES

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

HOLLIE DUONNOLO (NPI 1750262473) is an individual psychologist in Willow Grove, Pennsylvania and active in the NPI registry since September 2025.

NPPES Registry Identity

NPI1750262473
Entity TypeIndividualFemale
Primary Taxonomy103T00000X
Provider Legal NameHOLLIE DUONNOLO
Location Address630 FITZWATERTOWN RD STE A1Willow Grove, PA 19090-1928
Mailing Address630 Fitzwatertown Rd Ste A1Willow Grove, PA 19090-1928
Sole ProprietorNo
Enumeration DateSeptember 9, 2025
Last NPPES UpdateOctober 6, 20262 updates tracked since enumeration
NPPES CertifiedOctober 6, 2026
✔ NPI 1750262473 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychologistBehavioral Health & Social Service Providers
Taxonomy Code103T00000X
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.
630 FITZWATERTOWN RD STE A1, Willow Grove, PA 19090

Other Providers at the Same Location NPPES 6

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

Counselor (Professional)
630 FITZWATERTOWN RD STE A1
WILLOW GROVE, PA 19090
Social Worker (Clinical)
630 FITZWATERTOWN RD STE A1
WILLOW GROVE, PA 19090
Counselor (Mental Health)
630 FITZWATERTOWN RD STE A1
WILLOW GROVE, PA 19090
Psychologist (Clinical)
630 FITZWATERTOWN RD STE A1
WILLOW GROVE, PA 19090
Counselor (Professional)
630 FITZWATERTOWN RD STE A1
WILLOW GROVE, PA 19090
Social Worker (Clinical)
630 FITZWATERTOWN RD STE A1
WILLOW GROVE, PA 19090

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 Hollie Duonnolo's NPI number?

The NPI number for Hollie Duonnolo is 1750262473. It was assigned to this individual provider in the NPPES registry on September 9, 2025.

Where is Hollie Duonnolo located?

Hollie Duonnolo practices at 630 Fitzwatertown Rd Ste A1, Willow Grove, PA 19090. The listed phone number is (267) 859-2161.

What is Hollie Duonnolo'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 Hollie Duonnolo was last updated on October 6, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 23 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.