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

Dr. Changwan Ryu, MD

Individual provider Internal Medicine Physician · NPI 1194992735

Dr. Changwan Ryu, MD is a Pulmonary Disease in New Haven, Connecticut. Graduated from New York Medical College in 2008, 18 years ago. Practices with Yale University, a 2,618-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Connecticut.

Years since qualifying
18
Trained at
New York Medical College
Licensed in
CT
In the registry since
2008
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

20 York St # T-209 Yale-New Haven Hospital
New Haven, CT 06510-3220
Phone: (603) 252-6293
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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 53292 (CT)

Record details

NPI number1194992735
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedMay 13, 2008
Last updated in NPPESSeptember 15, 2014
Mailing address20 York St # T-209, Yale-New Haven Hospital, New Haven, CT 06510-3220

Medicare enrollment

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

Medicare specialtyPULMONARY DISEASE
Also practisesCRITICAL CARE (INTENSIVISTS)
Medical schoolNEW YORK MEDICAL COLLEGE
Graduated 2008 (18 years in practice)
Group practice Yale University — 2618 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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