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

Joanne Y Sun, MD

Individual provider Emergency Medicine Physician · NPI 1871797837

Joanne Y Sun, MD is an Emergency Medicine Physician in San Francisco, California. Licensed in California. Registered with an NPI since 2007.

Licensed in
CA
In the registry since
2007
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

900 Hyde St
San Francisco, CA 94109-4806
Phone: (415) 353-6300
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence A100180 (CA)

Record details

NPI number1871797837
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 13, 2007
Last updated in NPPESJuly 8, 2007

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