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John Robertson, M.D.
NPI 1528019536 · Nephrology Physician · Riverside, CA
John Robertson, M.D. is a Nephrology Physician provider in Riverside, CA (NPI 1528019536).
Provider details
- NPI number
- 1528019536
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- G54428 (CA)
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
3660 Park Sierra Dr
Suite 208
Riverside, CA 92505-3071
Phone: (951) 687-2800
Fax: (951) 687-7290
Street-level locationGet directions
Mailing address
Po Box 54130
Los Angeles, CA 90054-0130
Registry dates
- Enumerated
- 2006-05-15
- Last updated
- 2012-01-04
Frequently asked questions
- What is John Robertson's NPI number?
- John Robertson's National Provider Identifier (NPI) is 1528019536, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Robertson's specialty?
- John Robertson is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is John Robertson located?
- John Robertson's practice location on file with NPPES is 3660 Park Sierra Dr, Riverside, CA 92505-3071.
- What is John Robertson's phone number?
- The practice phone number listed in the NPPES registry for John Robertson is (951) 687-2800.
- Is John Robertson's NPI active?
- Yes — John Robertson's NPI (1528019536) is active in the NPPES registry as of the last update on 2012-01-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.