What is Ralph Johnson's NPI number?

Ralph Johnson's National Provider Identifier (NPI) is 1760532964, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Ralph Johnson's specialty?

Ralph Johnson is listed in the NPPES registry with a primary specialty of Chiropractor (Chiropractic Providers).

Where is Ralph Johnson located?

Ralph Johnson's practice location on file with NPPES is 140 N Walnut Ave, San Dimas, CA 91773-2607.

What is Ralph Johnson's phone number?

The practice phone number listed in the NPPES registry for Ralph Johnson is (909) 599-8283.

Is Ralph Johnson's NPI active?

Yes — Ralph Johnson's NPI (1760532964) is active in the NPPES registry as of the last update on 2007-07-08.

IndividualActive

Ralph Johnson, D.C.

NPI 1760532964 · Chiropractor · San Dimas, CA

Ralph Johnson, D.C. is a Chiropractor provider in San Dimas, CA (NPI 1760532964).

Provider details

NPI number: 1760532964
Entity type: Individual
Primary specialty: ChiropractorChiropractic Providers
Credential: D.C.
Sex: Male
Sole proprietor: Yes
License: DC15657 (CA)

Practice location

140 N Walnut Ave

San Dimas, CA 91773-2607

Phone: (909) 599-8283

Street-level locationGet directions

More CA providers

Mailing address

140 N Walnut Ave

San Dimas, CA 91773-2607

Specialties & taxonomies

ChiropractorPrimary111N00000XLicense DC15657 (CA)
Chiropractic 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.

Enumerated: 2007-01-11
Last updated: 2007-07-08

Frequently asked questions

What is Ralph Johnson's NPI number?: Ralph Johnson's National Provider Identifier (NPI) is 1760532964, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Ralph Johnson's specialty?: Ralph Johnson is listed in the NPPES registry with a primary specialty of Chiropractor (Chiropractic Providers).
Where is Ralph Johnson located?: Ralph Johnson's practice location on file with NPPES is 140 N Walnut Ave, San Dimas, CA 91773-2607.
What is Ralph Johnson's phone number?: The practice phone number listed in the NPPES registry for Ralph Johnson is (909) 599-8283.
Is Ralph Johnson's NPI active?: Yes — Ralph Johnson's NPI (1760532964) 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.

Provider details

Practice location

Mailing address

Specialties & taxonomies

Profile Score

Registry dates

Frequently asked questions

Specialties & taxonomies

Profile Score

Frequently asked questions