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

Individual provider Internal Medicine Physician · NPI 1891989190

Dr. Mark Jung Chen, MD is an Internal Medicine Physician in San Francisco, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2007
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

2238 Geary Blvd Kaiser Permanente 4NE
San Francisco, CA 94115-3416
Phone: (415) 833-2200
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence A99948 (CA)

Record details

NPI number1891989190
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedAugust 29, 2007
Last updated in NPPESMay 14, 2010

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