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Jeffrey C. Mark, MD

Gastroenterologist

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Specialties and Licenses

Licensed In
California
NPI Number
1487603155
In the National Registry
20 years (since 2006)

Name, specialties, licenses and address come from the NPPES national provider registry, updated weekly (this record last changed July 2026).

What Gastroenterologists Commonly Treat

Typical for the specialty. Ask the office which of these Dr. Jeffrey Mark offers.

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