Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Dr. Charles Yin-Yat Lo, MD

Individual provider Surgery Physician · NPI 1811978604

Dr. Charles Yin-Yat Lo, MD is a General Surgery in San Francisco, California. Qualified in 1967, 59 years ago. Practices as a sole proprietor and accepts Medicare assignment. Licensed in California.

Years since qualifying
59
Licensed in
CA
In the registry since
2005
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

818 Jackson St Ste 102
San Francisco, CA 94133-4849
Phone: (415) 391-9993
Fax: (415) 291-9993
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Surgery Physician (primary) Taxonomy 208600000X · Licence 00A519440 (CA)

Record details

NPI number1811978604
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedNovember 8, 2005
Last updated in NPPESOctober 29, 2024
Certification dateOctober 29, 2024

Medicare enrollment

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

Medicare specialtyGENERAL SURGERY
Medical schoolOTHER
Graduated 1967 (59 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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