DR. JILLIAN LEIGH JERNIGAN PSYD
NPI 1417817925
Psychologist in New Haven, CT

Active since November 17, 2025
55 LOCK ST, NEW HAVEN, CT 06511(203) 432-0290 Get Directions Write a Review

NPPES record last updated: November 17, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. Jillian Leigh Jernigan Psyd NPPES

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

DR. JILLIAN LEIGH JERNIGAN PSYD (NPI 1417817925) is an individual psychologist in New Haven, Connecticut, licensed in Connecticut (5184) and active in the NPI registry since November 2025.

NPPES Registry Identity

NPI1417817925
Entity TypeIndividual
Primary Taxonomy103T00000X
Provider Legal NameDR. JILLIAN LEIGH JERNIGANCredential: PSYD
Location Address55 LOCK STNew Haven, CT 06511-3603
Mailing Address55 Lock StNew Haven, CT 06511-3603
Sole ProprietorNo
Enumeration DateNovember 17, 2025
NPPES CertifiedNovember 17, 2025
NPI 1417817925 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 CT · 5184
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.
55 LOCK ST, New Haven, CT 06511

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.

Pediatrics
55 LOCK ST
NEW HAVEN, CT 06511
Registered Nurse
55 LOCK ST
NEW HAVEN, CT 06511
Psychologist (Clinical)
55 LOCK ST
NEW HAVEN, CT 06511
Psychologist
55 LOCK ST
NEW HAVEN, CT 06511
Physician Assistant (Medical)
55 LOCK ST
NEW HAVEN, CT 06511
Social Worker (Clinical)
55 LOCK ST
NEW HAVEN, CT 06511
Clinic/Center (Health Service)
55 LOCK ST
NEW HAVEN, CT 06511
Obstetrics & Gynecology
55 LOCK ST
NEW HAVEN, CT 06511

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 Jillian Jernigan's NPI number?

The NPI number for Jillian Jernigan is 1417817925. It was assigned to this individual provider in the NPPES registry on November 17, 2025.

Where is Jillian Jernigan located?

Jillian Jernigan practices at 55 Lock St, New Haven, CT 06511. The listed phone number is (203) 432-0290.

What is Jillian Jernigan'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 Jillian Jernigan was last updated on November 17, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.