Robert Johnston, D.C.
NPI 1710907886 · Orthopedic Chiropractor · Fullerton, CA
Robert Johnston, D.C. is a Orthopedic Chiropractor provider in Fullerton, CA (NPI 1710907886).
Provider details
- NPI number
- 1710907886
- Entity type
- Individual
- Primary specialty
- Orthopedic ChiropractorChiropractic Providers
- Credential
- D.C.
- Sex
- Male
- Sole proprietor
- Yes
- License
- DC14648 (CA)
Specialties & taxonomies
Chiropractic Providers
Chiropractic Providers
Profile Score
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
Mailing address
Registry dates
- Enumerated
- 2006-07-20
- Last updated
- 2025-09-11
Frequently asked questions
- What is Robert Johnston's NPI number?
- Robert Johnston's National Provider Identifier (NPI) is 1710907886, 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 Orthopedic Chiropractor (Chiropractic Providers).
- Where is Robert Johnston located?
- Robert Johnston's practice location on file with NPPES is 3249 Associated Rd, Fullerton, CA 92835-2301.
- What is Robert Johnston's phone number?
- The practice phone number listed in the NPPES registry for Robert Johnston is (714) 529-0840.
- Is Robert Johnston's NPI active?
- Yes — Robert Johnston's NPI (1710907886) is active in the NPPES registry as of the last update on 2025-09-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.