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

Individual provider Emergency Medicine Physician · NPI 1821146051

Nancy Sun, MD is an Emergency Medicine in Simi Valley, California. Graduated from George Washington University School of Medicine in 2000, 26 years ago. Practices with Allied Emergency Physicians, Inc, a 17-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
26
Trained at
George Washington University School of Medicine
Licensed in
CA
In the registry since
2007
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

2975 Sycamore Dr
Simi Valley, CA 93065-1201
Phone: (805) 955-6107
Fax: (805) 527-9374
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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 A98171 (CA)

Record details

NPI number1821146051
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorYes
NPI enumeratedJanuary 5, 2007
Last updated in NPPESJanuary 28, 2020
Certification dateJanuary 28, 2020
Mailing addressPo Box 660446, Arcadia, CA 91066-0446

Medicare enrollment

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

Medicare specialtyEMERGENCY MEDICINE
Medical schoolGEORGE WASHINGTON UNIVERSITY SCHOOL OF MEDICINE
Graduated 2000 (26 years in practice)
Group practice Allied Emergency Physicians, Inc. — 17 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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