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Robert Johnston, O.D.
NPI 1568501625 · Optometrist · Oceanside, CA
Robert Johnston, O.D. is a Optometrist provider in Oceanside, CA (NPI 1568501625).
Provider details
- NPI number
- 1568501625
- Entity type
- Individual
- Primary specialty
- OptometristEye and Vision Services Providers
- Credential
- O.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 10220T (CA)
Specialties & taxonomies
Eye and Vision Services Providers
Profile Score
Detailed profile(90/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
705 College Blvd
Oceanside, CA 92057-6259
Phone: (760) 631-2877
Street-level locationGet directions
Mailing address
4598 Avenida Manessa
Oceanside, CA 92057-7745
Registry dates
- Enumerated
- 2007-02-05
- Last updated
- 2007-07-08
Frequently asked questions
- What is Robert Johnston's NPI number?
- Robert Johnston's National Provider Identifier (NPI) is 1568501625, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Robert Johnston's specialty?
- Robert Johnston is listed in the NPPES registry with a primary specialty of Optometrist (Eye and Vision Services Providers).
- Where is Robert Johnston located?
- Robert Johnston's practice location on file with NPPES is 705 College Blvd, Oceanside, CA 92057-6259.
- What is Robert Johnston's phone number?
- The practice phone number listed in the NPPES registry for Robert Johnston is (760) 631-2877.
- Is Robert Johnston's NPI active?
- Yes — Robert Johnston's NPI (1568501625) 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.