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DR. OLGA OGAI HEWETT MD
NPI 1164695854
Psychiatry & Neurology - Child & Adolescent Psychiatry in West Hartford, CT

Active since April 02, 2008Opted out of Medicare · through Apr 1, 2028
65 KANE ST, WEST HARTFORD, CT 06119(860) 523-3745(860) 523-3736 Get Directions Write a Review

NPPES record last updated: March 11, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Mar 11, 2026, Jun 10, 2025, Apr 13, 2021 and 2 more (5 updates tracked since 2020).

About Dr. Olga Ogai Hewett Md NPPES

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

DR. OLGA OGAI HEWETT MD (NPI 1164695854) is an individual child & adolescent psychiatry provider in West Hartford, Connecticut, licensed in Connecticut (074342) and active in the NPI registry since April 2008. She has opted out of Medicare through April 1, 2028 and maintains 3 additional practice locations.

NPPES Registry Identity

NPI1164695854
Entity TypeIndividualFemale
Primary Taxonomy2084P0804X
Provider Legal NameDR. OLGA OGAI HEWETTCredential: MD
Location Address65 KANE STWest Hartford, CT 06119-2110
Mailing Address263 Farmington AveFarmington, CT 06030-8082 · (860) 679-6700 · Fax (860) 679-6736
Phone(860) 523-3745
Fax(860) 523-3736
Sole ProprietorNo
Enumeration DateApril 2, 2008
Last NPPES UpdateMarch 11, 20265 updates tracked since enumeration
NPPES CertifiedMarch 11, 2026
✔ NPI 1164695854 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · Child & Adolescent PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0804X
Licenses✔ Licensed in CT · 074342✔ Licensed in CA · A120932
Definition

Child & Adolescent Psychiatry is a subspecialty of psychiatry with additional skills and training in the diagnosis and treatment of developmental, behavioral, emotional, and mental disorders of childhood and adolescence.

65 KANE ST, West Hartford, CT 06119
Open in Google Maps ↗

Other Names 1

Former Name (1)Olga Ogai

Secondary Practice Locations 3

Location 1263 Farmington AveFarmington, CT 06030-0001 · Phone (860) 679-6700 · Fax (860) 679-6736
Location 2310 15th Ave ESeattle, WA 98112-5103 · Phone (206) 326-3000 · Fax (206) 326-2785
Location 31200 5th Ave Ste 800Seattle, WA 98101-3136 · Phone (206) 374-0109

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

ⓘ

Opted out of Medicare

Dr. Olga Ogai Hewett Md has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from April 1, 2022 through April 1, 2028.

Opt-Out Effective DateApril 1, 2022
Opt-Out In Effect ThroughApril 1, 2028Opt-out affidavits renew automatically every two years unless cancelled

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.

DR. RICHARD STEVEN ORTEGON MD
Psychiatry & Neurology (Psychiatry)
65 KANE ST
WEST HARTFORD, CT 06119
Capitol Planning Region (860) 679-6700
MR. ARSHPREET SINGH GULATI MD
Psychiatry & Neurology (Child & Adolescent Psychiatry)
65 KANE ST
WEST HARTFORD, CT 06119
Capitol Planning Region (860) 523-3745
MS. KAREN LEMIEUX LCSW
Social Worker (Clinical)
65 KANE ST
WEST HARTFORD, CT 06119
Capitol Planning Region (860) 523-3713
MYRA ROSENSTEIN MD
Internal Medicine
65 KANE ST, INTERNAL MEDICINE
WEST HARTFORD, CT 06119
Capitol Planning Region (860) 523-6436
DR. DAMION GRASSO PHD
Psychologist
65 KANE ST
WEST HARTFORD, CT 06119
Capitol Planning Region (860) 523-3745
CAROLYN A. GREENE PHD
Psychologist (Clinical)
65 KANE ST
WEST HARTFORD, CT 06119
Capitol Planning Region (860) 523-3713
LITTY MATHEWS M.D
Internal Medicine
65 KANE ST
WEST HARTFORD, CT 06119
Capitol Planning Region (860) 523-6436
JACOB DUBROSKY
Student in an Organized Health Care Education/Training Program
65 KANE ST
WEST HARTFORD, CT 06119
Capitol Planning Region (860) 679-7692

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 Olga Hewett's NPI number?

The NPI number for Olga Hewett is 1164695854. It was assigned to this individual provider in the NPPES registry on April 2, 2008. The provider is also known as Olga Ogai.

Where is Olga Hewett located?

Olga Hewett practices at 65 Kane St, West Hartford, CT 06119. The listed phone number is (860) 523-3745.

What is Olga Hewett's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Child & Adolescent Psychiatry, with taxonomy code 2084P0804X.

Is Olga Hewett enrolled in Medicare?

No. Olga Hewett has opted out of Medicare through April 1, 2028. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out.

When was this NPI record last updated?

The NPPES record for Olga Hewett was last updated on March 11, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.