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

Individual provider Emergency Medicine Physician · NPI 1346478385

Dr. Usha Periyanayagam, MD is an Emergency Medicine Physician in San Francisco, California. Practices as a sole proprietor. Licensed in California and Illinois.

Licensed in
CA, IL
In the registry since
2009
Specialties on file
2
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

680 Mission St Apt 14N
San Francisco, CA 94105-4000
Phone: (270) 853-9302
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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 A135431 (CA)
Emergency Medicine Physician Taxonomy 207P00000X · Licence 125055892 (IL)

Record details

NPI number1346478385
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorYes
NPI enumeratedJune 29, 2009
Last updated in NPPESJanuary 26, 2022
Certification dateJanuary 26, 2022

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