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

Dr. Jeffrey Wiezorek

Individual provider Medical Oncology Physician · NPI 1467600288

Dr. Jeffrey Wiezorek is a Medical Oncology Physician in Thousand Oaks, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2008

Practice location Address checks out

1 Amgen Center Dr MS 38-2-A
Thousand Oaks, CA 91320-1730
Phone: (805) 447-5707
Show map & directions

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

Specialties & licences

Medical Oncology Physician (primary) Taxonomy 207RX0202X · Licence A69564 (CA)

Record details

NPI number1467600288
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorYes
NPI enumeratedSeptember 4, 2008
Last updated in NPPESSeptember 4, 2008

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