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

Joseph Witkin, MD

Individual provider Emergency Medicine Physician · NPI 1144258963

Joseph Witkin, MD is an Emergency Medicine Physician in LA Mesa, 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.

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Practice location Address checks out

5555 Grossmont Center Dr
LA Mesa, CA 91942-3019
Phone: (619) 644-4401
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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 G32398 (CA)

Record details

NPI number1144258963
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 29, 2006
Last updated in NPPESDecember 15, 2009
Mailing addressPo Box 12170, Westminster, CA 92685-2170

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