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

Dr. Andrew O. Tam, MD

Individual provider Radiation Oncology Physician · NPI 1548889298

Dr. Andrew O. Tam, MD is a Radiation Oncology in Arcadia, California. Graduated from University of California, San Francisco School of Medicine in 2020, 6 years ago. Practices with City of Hope Medical Foundation, a 959-clinician group, works from 2 locations, accepts Medicare assignment and offers telehealth. Licensed in California.

Years since qualifying
6
Trained at
University of California, San Francisco School of Medicine
Licensed in
CA
In the registry since
2020
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

301 W Huntington Dr Ste 120
Arcadia, CA 91007-3487
Phone: (626) 574-3657
Fax: (626) 898-8016
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 209 Fair Oaks Ave, South Pasadena, CA 91030-1814 — (626) 396-2900

Specialties & licences

Radiation Oncology Physician (primary) Taxonomy 2085R0001X · Licence A186025 (CA)

Record details

NPI number1548889298
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 13, 2020
Last updated in NPPESMarch 4, 2026
Certification dateMarch 4, 2026

Medicare enrollment

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

Medicare specialtyRADIATION ONCOLOGY
Medical schoolUNIVERSITY OF CALIFORNIA, SAN FRANCISCO SCHOOL OF MEDICINE
Graduated 2020 (6 years in practice)
Group practice City Of Hope Medical Foundation — 959 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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