Stephanie YoonM.D.
Stephanie Yoon, M.D. is a Radiation Oncology provider in Duarte, CA, as of July 2026.
- NPI1346775624
- Registered2017
- Class of2017
Case volumes, referral patterns, and payer mix live in DataLily AI Insights.
Education
Education on record as of August 2026.
Stephanie Yoon at a glance
- Provider
- Stephanie Yoon
- Credential
- M.D.
- Specialty
- Radiation Oncology
- Location
- Duarte, CA
- Medical school
- Temple University School of Medicine
- Graduated
- 2017
- NPI registered
- 2017
- NPI
- 1346775624
- Snapshot
- July 2026
Identity, specialty, and affiliations change over time. This is not an endorsement, and not clinical, billing, or legal advice. Providers may request corrections at founders@datalilyai.com. Read the DataLily AI data methodology.
Questions
Where does Stephanie Yoon practice?
Stephanie Yoon, M.D. is based in Duarte, CA. Affiliations reflect the current DataLily AI snapshot (July 2026) and can change.
What is Stephanie Yoon's NPI number?
Stephanie Yoon's National Provider Identifier (NPI) is 1346775624, registered in 2017. Specialty on record: Radiation Oncology; credential M.D.
Where did Stephanie Yoon go to medical school?
Stephanie Yoon, M.D. attended Temple University School of Medicine, graduating in 2017.
How many Radiation Oncology providers in California work at ambulatory surgery centers?
88 Radiation Oncology surgeons and proceduralists in California are affiliated with ambulatory surgery centers in DataLily AI's current snapshot, Stephanie Yoon among them. The California Radiation Oncology directory lists each one by city with credential, NPI, and center affiliations.
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