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Robert Brenner, M.D.
NPI 1861431397 · Nephrology Physician · Thousand Oaks, CA
Robert Brenner, M.D. is a Nephrology Physician provider in Thousand Oaks, CA (NPI 1861431397).
Provider details
- NPI number
- 1861431397
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- License
- 151076 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(91/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 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
1 Amgen Center Dr
27-5-C
Thousand Oaks, CA 91320-1730
Phone: (805) 447-5939
Street-level locationGet directions
Mailing address
26507 Mont Calabasas Dr
Calabasas, CA 91302-3850
Registry dates
- Enumerated
- 2006-06-06
- Last updated
- 2007-07-08
Frequently asked questions
- What is Robert Brenner's NPI number?
- Robert Brenner's National Provider Identifier (NPI) is 1861431397, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Robert Brenner's specialty?
- Robert Brenner is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is Robert Brenner located?
- Robert Brenner's practice location on file with NPPES is 1 Amgen Center Dr, Thousand Oaks, CA 91320-1730.
- What is Robert Brenner's phone number?
- The practice phone number listed in the NPPES registry for Robert Brenner is (805) 447-5939.
- Is Robert Brenner's NPI active?
- Yes — Robert Brenner's NPI (1861431397) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.