Robert Davies, MD
NPI 1215937933 · Nephrology Physician · Walnut Creek, CA
Enrolled with Medicare as Practitioner - Nephrology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Robert Davies, MD is a Nephrology Physician provider in Walnut Creek, CA (NPI 1215937933).
Provider details
- NPI number
- 1215937933
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A42189 (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
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
Mailing address
Registry dates
- Enumerated
- 2005-07-22
- Last updated
- 2007-07-08
Frequently asked questions
- What is Robert Davies's NPI number?
- Robert Davies's National Provider Identifier (NPI) is 1215937933, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Robert Davies's specialty?
- Robert Davies is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is Robert Davies located?
- Robert Davies's practice location on file with NPPES is 112 La Casa Via, Walnut Creek, CA 94598-3091.
- What is Robert Davies's phone number?
- The practice phone number listed in the NPPES registry for Robert Davies is (925) 944-0351.
- Does Robert Davies accept Medicare?
- Robert Davies is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Robert Davies's NPI active?
- Yes — Robert Davies's NPI (1215937933) 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.