Catherine Johnson, M.A., CCC
NPI 1821138777 · Speech-Language Pathologist · San Juan Capistrano, CA
Catherine Johnson, M.A., CCC is a Speech-Language Pathologist provider in San Juan Capistrano, CA (NPI 1821138777).
Provider details
- NPI number
- 1821138777
- Entity type
- Individual
- Primary specialty
- Speech-Language PathologistSpeech, Language and Hearing Service Providers
- Credential
- M.A., CCC
- Sex
- Female
- Sole proprietor
- Yes
- License
- SP 8097 (CA)
Specialties & taxonomies
Speech, Language and Hearing Service 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
- 2007-02-08
- Last updated
- 2010-11-12
Frequently asked questions
- What is Catherine Johnson's NPI number?
- Catherine Johnson's National Provider Identifier (NPI) is 1821138777, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Catherine Johnson's specialty?
- Catherine Johnson is listed in the NPPES registry with a primary specialty of Speech-Language Pathologist (Speech, Language and Hearing Service Providers).
- Where is Catherine Johnson located?
- Catherine Johnson's practice location on file with NPPES is 31831 Camino Capistrano, San Juan Capistrano, CA 92675-3211.
- What is Catherine Johnson's phone number?
- The practice phone number listed in the NPPES registry for Catherine Johnson is (949) 487-5251.
- Is Catherine Johnson's NPI active?
- Yes — Catherine Johnson's NPI (1821138777) is active in the NPPES registry as of the last update on 2010-11-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.