Hannah Yoon, M.D.
Radiation Oncology Physician · Corning, NY
Hannah Yoon, M.D. is a radiation oncology physician with a practice address in Corning, New York, and NPI 1255560603, issued on Jul 7, 2009. Check the license (New York 274986, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Hannah Yoon
- Credential
- M.D.
- Primary taxonomy
- Radiation Oncology Physician 2085R0001X
- License number
- 274986 NY
Self-reported in NPPES; status is on the state search - Practice location
- 2 Guthrie Dr, Corning, NY 14830
- Phone
- (607) 937-3100
- Enumerated
- Jul 7, 2009
- Record last updated
- Oct 20, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20150107002267); accepts Medicare assignment
- Medical or professional school
- Js Weill Medical College, Cornell University, 2009
- Entity
- Type 1 · individual
8 nearest radiation oncology physician records → All 449 in New York → Look up another NPI →
Also registered at 2 Guthrie Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Amandeep Kaur, MDInternal Medicine Physician1245753243
- Gabriella McHenryAdult Health Nurse Practitioner1396415881
- Julie Nichols, NPAdult Health Nurse Practitioner1447801634
- Vrushali PachpandeHematology & Oncology Physician1205360294
Verify Hannah Yoon in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
Search for license 274986Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
64% fewer Medicare Part D claims than the average radiation oncology physician in 2024
48 Medicare Part D claims for 17 beneficiaries, against an average of 134 among the 4,851 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 81.5 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- St. Mary's HealthcareAmsterdam, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Hannah Yoon among 449 radiation oncology physician records in New York
Hannah Yoon, M.D. is one of 449 radiation oncology physician records with a practice address in New York. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 58% of them.
- NPI issued2009 · 58% of these records are older, 38% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 74% of these records are
- Graduated2009 · median 2005 among the 331 with a school on file
- Record last updated2021 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0001X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Radiation Oncology Physician providers in New York
There are 449 radiation oncology physician records in New York.
All 449 in New York → Every provider in Corning → Radiation Oncology Physician nationwide →
The 8 radiation oncology physician records with the nearest ZIP codes
- Francis Sullivan, M.D.Hornell, NY 148431972535599
- John Powell, MDIthaca, NY 148501851557615
- Kelly Becht, MDElmira, NY 149051366020323
- Rose Byland, M.D.Elmira, NY 149051760459879
- Joseph Krueger, M.D.Elmira, NY 149051881662518
- Chi Tsang, M.D.Elmira, NY 149051467457531
- Joseph Wang, M.D.Elmira, NY 149051578564613
- Surjeet Pohar, MDJamestown, NY 147011114094430
Common questions
What is Hannah Yoon, M.D.'s NPI number?
Hannah Yoon, M.D.'s National Provider Identifier (NPI) is 1255560603, issued on Jul 7, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Hannah Yoon, M.D. located?
The NPPES record lists a practice address at 2 Guthrie Dr, Corning, NY, 14830. Phone: (607) 937-3100. Providers update this record themselves, so call before visiting.
How can I verify Hannah Yoon, M.D.'s license?
NPPES lists New York license number 274986, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Hannah Yoon, M.D. prescribe under Medicare Part D?
In 2024, Hannah Yoon, M.D. had 48 Medicare Part D claims for 17 beneficiaries; the average among radiation oncology physician prescribers was 134. Part D covers Medicare prescriptions only.
What is Hannah Yoon, M.D.'s MIPS final score?
The 2023 MIPS final score is 81.5 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.