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

Dr. Ernest Ngo, MD

Individual provider Radiation Oncology Physician · NPI 1366454415

Dr. Ernest Ngo, MD is a Radiation Oncology Physician in Santa Ana, California. Licensed in California. Registered with an NPI since 2006.

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

1100-A N Tustin Ave
Santa Ana, CA 92705-3509
Phone: (714) 835-8520
Fax: (714) 835-3610
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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 G25051 (CA)

Record details

NPI number1366454415
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 13, 2006
Last updated in NPPESMarch 7, 2023
Certification dateMarch 20, 2020

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