DR. JONAS O'GARA HANNESTAD MD PHD
NPI 1447305974
Psychiatry & Neurology - Psychiatry in West Haven, CT

Active since January 24, 2007
950 CAMPBELL AVE, WEST HAVEN, CT 06516(203) 932-5711 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Jonas O'gara Hannestad Md Phd NPPES

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

DR. JONAS O'GARA HANNESTAD MD PHD (NPI 1447305974) is an individual psychiatry provider in West Haven, Connecticut, licensed in Connecticut (043427) and active in the NPI registry since January 2007.

NPPES Registry Identity

NPI1447305974
Entity TypeIndividualMale
Primary Taxonomy2084P0800X
Provider Legal NameDR. JONAS O'GARA HANNESTADCredential: MD PHD
Location Address950 CAMPBELL AVEWest Haven, CT 06516-2770
Mailing Address227 Church St, Apt 3fNew Haven, CT 06510-1817 · (203) 974-7536 · Fax (203) 974-7662
Sole ProprietorYes
Enumeration DateJanuary 24, 2007
Last NPPES UpdateJuly 8, 2007
NPI 1447305974 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
License Licensed in CT · 043427
Definition
A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.
950 CAMPBELL AVE, West Haven, CT 06516

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.

Pharmacist (Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist)
950 CAMPBELL AVE, PHARMACY SERVICE (119)
WEST HAVEN, CT 06516
Psychologist (Clinical)
950 CAMPBELL AVE
WEST HAVEN, CT 06516
Social Worker
950 CAMPBELL AVE
WEST HAVEN, CT 06516
Counselor
950 CAMPBELL AVE, MS 122V
WEST HAVEN, CT 06516
Dietitian, Registered
950 CAMPBELL AVE
WEST HAVEN, CT 06516
Chiropractor
950 CAMPBELL AVE, BUILDING 2, FLOOR 4
WEST HAVEN, CT 06516
Nurse Anesthetist, Certified Registered
950 CAMPBELL AVE
WEST HAVEN, CT 06516
Social Worker (Clinical)
950 CAMPBELL AVE
WEST HAVEN, CT 06516

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 Jonas Hannestad's NPI number?

The NPI number for Jonas Hannestad is 1447305974. It was assigned to this individual provider in the NPPES registry on January 24, 2007.

Where is Jonas Hannestad located?

Jonas Hannestad practices at 950 Campbell Ave, West Haven, CT 06516. The listed phone number is (203) 932-5711.

What is Jonas Hannestad's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

When was this NPI record last updated?

The NPPES record for Jonas Hannestad was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 years 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.