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

Dr. Joseph I Song, MD

Individual provider Radiation Oncology Physician · NPI 1679537906

Dr. Joseph I Song, MD is a Radiation Oncology in South San Francisco, California. Graduated from Harvard Medical School in 1994, 32 years ago. Practices with Permanente Medical Group Inc, a 10,941-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
32
Trained at
Harvard Medical School
Licensed in
CA
In the registry since
2006
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

1200 El Camino Real
South San Francisco, CA 94080-3208
Phone: (650) 827-6500
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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 A60264 (CA)

Record details

NPI number1679537906
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 13, 2006
Last updated in NPPESDecember 6, 2021

Medicare enrollment

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

Medicare specialtyRADIATION ONCOLOGY
Medical schoolHARVARD MEDICAL SCHOOL
Graduated 1994 (32 years in practice)
Group practice Permanente Medical Group Inc — 10941 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

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