Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Ryan S O'Connor, MD

Individual provider Emergency Medicine Physician · NPI 1821101635

Ryan S O'Connor, MD is an Emergency Medicine in Los Angeles, California. Graduated from New York Medical College in 2002, 24 years ago. Practices with Hollywood Presbyterian Emergency Medical Associates, Inc, a 7-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
24
Trained at
New York Medical College
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

1442 Kellam Ave
Los Angeles, CA 90026-5138
Phone: (310) 990-9979
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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 A95130 (CA)

Record details

NPI number1821101635
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedAugust 16, 2006
Last updated in NPPESSeptember 26, 2011

Medicare enrollment

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

Medicare specialtyEMERGENCY MEDICINE
Medical schoolNEW YORK MEDICAL COLLEGE
Graduated 2002 (24 years in practice)
Group practice Hollywood Presbyterian Emergency Medical Associates, Inc. — 7 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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