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

Dr. Billy W Loo, MD, PHD

Individual provider Radiation Oncology Physician · NPI 1720167711

Dr. Billy W Loo, MD, PHD is a Radiation Oncology in Stanford, California. Qualified in 2000, 26 years ago. Practices with Stanford Health Care, a 3,085-clinician group, accepts Medicare assignment and offers telehealth. Licensed in California.

Years since qualifying
26
Licensed in
CA
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

See every abbreviation used in this directory →

Practice location Address checks out

875 Blake Wilbur Dr Stanford Radiation Oncology
Stanford, CA 94305-5847
Phone: (650) 736-7143
Show map & directions

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

Specialties & licences

Radiation Oncology Physician (primary) Taxonomy 2085R0001X · Licence A76374 (CA)

Record details

NPI number1720167711
Entity typeIndividual (Type 1)
GenderMale
Credentials MD , PHD
Sole proprietorNo
NPI enumeratedNovember 2, 2006
Last updated in NPPESJuly 5, 2013
Mailing address875 Blake Wilbur Dr, Stanford Radiation Oncology, Stanford, CA 94305-5847

Medicare enrollment

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

Medicare specialtyRADIATION ONCOLOGY
Medical schoolOTHER
Graduated 2000 (26 years in practice)
Group practice Stanford Health Care — 3085 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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