Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

DR. LOIS CHOI-KAIN MD
NPI 1437134913
Psychiatry & Neurology - Psychiatry in Boston, MA

Active since December 07, 2005
55 FRUIT ST, WAC 812, BOSTON, MA 02114(617) 726-2241 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Dr. Lois Choi-kain Md NPPES

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

DR. LOIS CHOI-KAIN MD (NPI 1437134913) is an individual psychiatry provider in Boston, Massachusetts, licensed in Massachusetts (225480) and active in the NPI registry since December 2005.

NPPES Registry Identity

NPI1437134913
Entity TypeIndividualFemale
Primary Taxonomy2084P0800X
Provider Legal NameDR. LOIS CHOI-KAINCredential: MD
Location Address55 FRUIT ST, WAC 812Boston, MA 02114-2621
Mailing AddressPo Box 9142Charlestown, MA 02129-9142 · (617) 724-0287 · Fax (617) 726-2894
Sole ProprietorNo
Enumeration DateDecember 7, 2005
Last NPPES UpdateJuly 13, 2026
NPI 1437134913 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 MA · 225480
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.

55 FRUIT ST, Boston, MA 02114

Other Names 1

Former Name (1)Lois Wonsun Choi

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.

Internal Medicine (Gastroenterology)
55 FRUIT ST
BOSTON, MA 02114
Psychiatry & Neurology (Psychiatry)
55 FRUIT ST, WARREN 1220
BOSTON, MA 02114
Thoracic Surgery (Cardiothoracic Vascular Surgery)
55 FRUIT ST, MGH, BULFINCH 2
BOSTON, MA 02114
Psychologist
55 FRUIT ST, YAW 6A MASSACHUSSETTS GENERAL HOSPITAL
BOSTON, MA 02114
Anesthesiology (Critical Care Medicine)
55 FRUIT ST, ANESTHESIA ASSOCIATES GRB 406E
BOSTON, MA 02114
Internal Medicine (Rheumatology)
55 FRUIT ST, RHEUMATOLOGY ASSOCIATES YAW 2100
BOSTON, MA 02114
Neurological Surgery
55 FRUIT ST, MASSACHUSETTS GENERAL HOSPITAL, WAC 745K
BOSTON, MA 02114
Anesthesiology
55 FRUIT ST, WHITE 525
BOSTON, MA 02114

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 Lois Choi-kain's NPI number?

The NPI number for Lois Choi-kain is 1437134913. It was assigned to this individual provider in the NPPES registry on December 7, 2005. The provider is also known as Lois Wonsun Choi.

Where is Lois Choi-kain located?

Lois Choi-kain practices at 55 Fruit St Wac 812, Boston, MA 02114. The listed phone number is (617) 726-2241.

What is Lois Choi-kain'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 Lois Choi-kain was last updated on July 13, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.