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

Individual provider Nephrology Physician · NPI 1780783530

Karen Vossen Smirnakis, MD is a Nephrology Physician in Thousand Oaks, California. Licensed in Massachusetts. Registered with an NPI since 2006.

Licensed in
MA
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

1 Amgen Center Dr MS 17-5-A
Thousand Oaks, CA 91320-1730
Phone: (805) 447-9374
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Nephrology Physician (primary) Taxonomy 207RN0300X · Licence 161002 (MA)

Record details

NPI number1780783530
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedSeptember 21, 2006
Last updated in NPPESJuly 8, 2007

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