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

Sean O. Henderson, MD

Individual provider Emergency Medicine Physician · NPI 1205887064

Sean O. Henderson, MD is an Emergency Medicine in Los Angeles, California. Qualified in 1989, 37 years ago. Practices with Em Alliance California APC, a 70-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
37
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

1200 N State St Rm 1011
Los Angeles, CA 90033-1029
Phone: (323) 226-6667
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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 G69803 (CA)

Record details

NPI number1205887064
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedMay 15, 2006
Last updated in NPPESJuly 8, 2007

Medicare enrollment

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

Medicare specialtyEMERGENCY MEDICINE
Medical schoolOTHER
Graduated 1989 (37 years in practice)
Group practice Em Alliance California Apc — 70 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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