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

LISA MARIE D'ADDIO M.S.
NPI 1043250806
Psychologist in Williamsport, PA

Active since June 08, 2006
435 W 4TH ST, WILLIAMSPORT, PA 17701(570) 322-7873(570) 322-8026 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Lisa Marie D'addio M.s. NPPES

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

LISA MARIE D'ADDIO M.S. (NPI 1043250806) is an individual psychologist in Williamsport, Pennsylvania, licensed in Pennsylvania (PS-006367-L) and active in the NPI registry since June 2006.

NPPES Registry Identity

NPI1043250806
Entity TypeIndividualFemale
Primary Taxonomy103T00000X
Provider Legal NameLISA MARIE D'ADDIOCredential: M.S.
Location Address435 W 4TH STWilliamsport, PA 17701-6001
Mailing Address1112 Elmira StWilliamsport, PA 17701-2110 · (570) 322-7873 · Fax (570) 322-8026
Fax(570) 322-8026
Sole ProprietorNo
Enumeration DateJune 8, 2006
Last NPPES UpdateJuly 13, 2026
NPI 1043250806 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 PA · PS-006367-L
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.
435 W 4TH ST, Williamsport, PA 17701

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)
435 W 4TH ST
WILLIAMSPORT, PA 17701
Counselor (Mental Health)
435 W 4TH ST
WILLIAMSPORT, PA 17701
Counselor (Mental Health)
435 W 4TH ST
WILLIAMSPORT, PA 17701
Social Worker
435 W 4TH ST
WILLIAMSPORT, PA 17701
Social Worker (Clinical)
435 W 4TH ST
WILLIAMSPORT, PA 17701
Counselor (Mental Health)
435 W 4TH ST
WILLIAMSPORT, PA 17701
Counselor (Mental Health)
435 W 4TH ST
WILLIAMSPORT, PA 17701
Counselor (Mental Health)
435 W 4TH ST
WILLIAMSPORT, PA 17701

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 Lisa D'addio's NPI number?

The NPI number for Lisa D'addio is 1043250806. It was assigned to this individual provider in the NPPES registry on June 8, 2006.

Where is Lisa D'addio located?

Lisa D'addio practices at 435 W 4th St, Williamsport, PA 17701. The listed phone number is (570) 322-7873.

What is Lisa D'addio'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 Lisa D'addio 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 32 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.