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

Dr. Hannah Yoon, MD

Individual provider Radiation Oncology Physician · NPI 1255560603

Dr. Hannah Yoon, MD is a Radiation Oncology in Corning, New York. Graduated from Js Weill Medical College, Cornell University in 2009, 17 years ago. Practices with St Mary's Healthcare, a 117-clinician group and accepts Medicare assignment. Licensed in New York.

Years since qualifying
17
Trained at
Js Weill Medical College, Cornell University
Licensed in
NY
In the registry since
2009
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

2 Guthrie Dr
Corning, NY 14830-3697
Phone: (607) 937-3100
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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 274986 (NY)

Record details

NPI number1255560603
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 7, 2009
Last updated in NPPESOctober 20, 2021
Certification dateOctober 20, 2021

Medicare enrollment

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

Medicare specialtyRADIATION ONCOLOGY
Medical schoolJS WEILL MEDICAL COLLEGE, CORNELL UNIVERSITY
Graduated 2009 (17 years in practice)
Group practice St. Mary'S Healthcare — 117 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount