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

Dr. Gerald John Jankowski, MD

Individual provider Internal Medicine Physician · NPI 1538248117

Dr. Gerald John Jankowski, MD is an Internal Medicine Physician in Roseville, California. Practices as a sole proprietor. Licensed in California.

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

1000 Sunrise Ave Ste 9B
Roseville, CA 95661-7005
Phone: (916) 769-4085
Show map & directions

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

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence G11783 (CA)

Record details

NPI number1538248117
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedNovember 3, 2006
Last updated in NPPESOctober 2, 2007

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