Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Dr. Les H Chuang, MD

Individual provider Internal Medicine Physician · NPI 1356355937

Dr. Les H Chuang, MD practises Internal Medicine in New York, New York. Graduated from New York University Medical College - Nlg in 2003, 23 years ago. Practices with New York City Health and Hospitals Corporation, a 538-clinician group and accepts Medicare assignment. Licensed in New York.

Years since qualifying
23
Trained at
New York University Medical College - Nlg
Licensed in
NY
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

227 Madison St
New York, NY 10002-7537 Not confirmed with CMS for 19 years — call before visiting
Phone: (212) 238-7614
Fax: (212) 238-7009
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 233073 (NY)

Record details

NPI number1356355937
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedJuly 28, 2006
Last updated in NPPESJuly 8, 2007

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyINTERNAL MEDICINE
Medical schoolNEW YORK UNIVERSITY MEDICAL COLLEGE - NLG
Graduated 2003 (23 years in practice)
Group practice New York City Health And Hospitals Corporation — 538 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients38
Services billed 370 a service is one billed item, such as a visit, a test or a procedure
Average patient age72

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Colleagues at New York City Health and Hospitals Corporation

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 538 clinicians in the practice; 12 are shown here.

Other providers in New York