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

Individual provider Student in an Organized Health Care Education/Training Program · NPI 1669714739

Dr. Yi An, MD is a Radiation Oncology in New Haven, Connecticut. Graduated from Stanford University School of Medicine in 2013, 13 years ago. Practices with Yale University, a 2,618-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Connecticut.

Years since qualifying
13
Trained at
Stanford University School of Medicine
Licensed in
CT
In the registry since
2013
Specialties on file
2
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 Yale-New Haven Hospital
New Haven, CT 06510-3220
Phone: (203) 688-4242
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Radiation Oncology Physician (primary) Taxonomy 2085R0001X · Licence 59994 (CT)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X

Record details

NPI number1669714739
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedMarch 26, 2013
Last updated in NPPESApril 3, 2018
Mailing address20 York St, Smilow Cancer Hospital, Ll507, New Haven, CT 06510-3220

Medicare enrollment

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

Medicare specialtyRADIATION ONCOLOGY
Medical schoolSTANFORD UNIVERSITY SCHOOL OF MEDICINE
Graduated 2013 (13 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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