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

Karl Feng, MD

Individual provider Emergency Medicine Physician · NPI 1306875190

Karl Feng, MD is an Emergency Medicine Physician in Fullerton, California. Licensed in California. Registered with an NPI since 2006.

Licensed in
CA
In the registry since
2006
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

101 E Valencia Mesa Dr Em Dept
Fullerton, CA 92835-3809
Phone: (714) 992-3965
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence A72088 (CA)

Record details

NPI number1306875190
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 2, 2006
Last updated in NPPESSeptember 18, 2009

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