1. Home
  2. Directory
  3. Connecticut
  4. New Haven
  5. Student In An Organized Health Care Education Training Program
  6. NPI Profile

LEON J CHEN MD
NPI 1235879404
Student in an Organized Health Care Education/Training Program in New Haven, CT

Active since March 29, 2022
20 YORK ST, NEW HAVEN, CT 06510(203) 688-4242 Get Directions Write a Review

NPPES record last updated: July 7, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Leon J Chen Md NPPES

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

LEON J CHEN MD (NPI 1235879404) is an individual student in an organized health care education/training program in New Haven, Connecticut, licensed in Connecticut (81713) and active in the NPI registry since March 2022.

NPPES Registry Identity

NPI1235879404
Entity TypeIndividualMale
Primary Taxonomy390200000X
Provider Legal NameLEON J CHENCredential: MD
Location Address20 YORK STNew Haven, CT 06510-3220
Mailing Address20 York StNew Haven, CT 06510-3220 · (203) 688-4242
Phone(203) 688-4242
Sole ProprietorYes
Enumeration DateMarch 29, 2022
Last NPPES UpdateJuly 7, 2025
NPPES CertifiedJuly 7, 2025
✔ NPI 1235879404 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyStudent in an Organized Health Care Education/Training ProgramStudent, Health Care
Taxonomy Code390200000X
License✔ Licensed in CT · 81713
Definition
An individual who is enrolled in an organized health care education/training program leading to a degree, certification, registration, and/or licensure to provide health care.
20 YORK ST, New Haven, CT 06510
Open in Google Maps ↗

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.

AUDREY P SENIOR APRN
Nurse Practitioner (Family)
20 YORK ST
NEW HAVEN, CT 06510
South Central Connecticut Planning Region (203) 688-5860
DR. YEISID F FIGUEREDO M.D.
Pediatrics (Neonatal-Perinatal Medicine)
20 YORK ST, DEPT OF NEONATOLOGY
NEW HAVEN, CT 06510
South Central Connecticut Planning Region (203) 688-2320
YALE NEW HAVEN HOSPITAL
Durable Medical Equipment & Medical Supplies (Customized Equipment)
20 YORK ST
NEW HAVEN, CT 06510
South Central Connecticut Planning Region (203) 688-2046
TAYLOR KINGSTON
Dietitian, Registered
20 YORK ST, FOOD AND NUTRITION EPB806
NEW HAVEN, CT 06510
South Central Connecticut Planning Region (203) 688-9185
DR. TRAVIS DANIEL BONTRAGER MD
Hospitalist
20 YORK ST
NEW HAVEN, CT 06510
South Central Connecticut Planning Region (203) 688-1734
NEEHARIKA THOTTEMPUDI MBBS
Psychiatry & Neurology (Neurology)
20 YORK ST
NEW HAVEN, CT 06510
South Central Connecticut Planning Region (203) 688-4242
TERESA JOSEPH D.O.
Internal Medicine (Nephrology)
20 YORK ST
NEW HAVEN, CT 06510
South Central Connecticut Planning Region (203) 737-8894
MR. BRAD ST. MARTIN MD
Obstetrics & Gynecology
20 YORK ST
NEW HAVEN, CT 06510
South Central Connecticut Planning Region (203) 688-4242

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 Leon Chen's NPI number?

The NPI number for Leon Chen is 1235879404. It was assigned to this individual provider in the NPPES registry on March 29, 2022.

Where is Leon Chen located?

Leon Chen practices at 20 York St, New Haven, CT 06510. The listed phone number is (203) 688-4242.

What is Leon Chen's specialty?

The primary specialty registered for this NPI is Student in an Organized Health Care Education/Training Program with taxonomy code 390200000X.

When was this NPI record last updated?

The NPPES record for Leon Chen was last updated on July 7, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.