Jeffrey Wiezorek
NPI 1467600288 · Medical Oncology Physician · Thousand Oaks, CA
Jeffrey Wiezorek is a Medical Oncology Physician provider in Thousand Oaks, CA (NPI 1467600288).
Provider details
- NPI number
- 1467600288
- Entity type
- Individual
- Primary specialty
- Medical Oncology PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- Yes
- License
- A69564 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
17 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-09-04
- Last updated
- 2008-09-04
Frequently asked questions
- What is Jeffrey Wiezorek's NPI number?
- Jeffrey Wiezorek's National Provider Identifier (NPI) is 1467600288, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jeffrey Wiezorek's specialty?
- Jeffrey Wiezorek is listed in the NPPES registry with a primary specialty of Medical Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Jeffrey Wiezorek located?
- Jeffrey Wiezorek's practice location on file with NPPES is 1 Amgen Center Dr, Thousand Oaks, CA 91320-1730.
- What is Jeffrey Wiezorek's phone number?
- The practice phone number listed in the NPPES registry for Jeffrey Wiezorek is (805) 447-5707.
- Is Jeffrey Wiezorek's NPI active?
- Yes — Jeffrey Wiezorek's NPI (1467600288) is active in the NPPES registry as of the last update on 2008-09-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.