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

Stephanie Yoon, MD

Individual provider Radiation Oncology Physician · NPI 1346775624

Stephanie Yoon, MD is a Radiation Oncology in Duarte, California. Graduated from Temple University School of Medicine in 2017, 9 years ago. Practices with City of Hope Medical Foundation, a 959-clinician group, accepts Medicare assignment and offers telehealth. Licensed in California.

Years since qualifying
9
Trained at
Temple University School of Medicine
Licensed in
CA
In the registry since
2017
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

1500 Duarte Rd
Duarte, CA 91010-3012
Phone: (626) 256-4673
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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 A158753 (CA)

Record details

NPI number1346775624
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 25, 2017
Last updated in NPPESJune 29, 2022
Certification dateJune 29, 2022
Mailing addressPo Box 512185, Los Angeles, CA 90051-0185

Medicare enrollment

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

Medicare specialtyRADIATION ONCOLOGY
Medical schoolTEMPLE UNIVERSITY SCHOOL OF MEDICINE
Graduated 2017 (9 years in practice)
Group practice City Of Hope Medical Foundation — 959 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations3 on file with Medicare

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