Diane Franza-Johnson, M.S. CCC/SLP
NPI 1811158421 · Speech-Language Pathologist · San Francisco, CA
Diane Franza-Johnson, M.S. CCC/SLP is a Speech-Language Pathologist provider in San Francisco, CA (NPI 1811158421).
Provider details
- NPI number
- 1811158421
- Entity type
- Individual
- Primary specialty
- Speech-Language PathologistSpeech, Language and Hearing Service Providers
- Credential
- M.S. CCC/SLP
- Sex
- Female
- Sole proprietor
- Yes
- License
- SP 9336 (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
18 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
- 2008-06-17
- Last updated
- 2026-03-02
- Certified
- 2026-03-02
Frequently asked questions
- What is Diane Franza-Johnson's NPI number?
- Diane Franza-Johnson's National Provider Identifier (NPI) is 1811158421, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Diane Franza-Johnson's specialty?
- Diane Franza-Johnson is listed in the NPPES registry with a primary specialty of Speech-Language Pathologist (Speech, Language and Hearing Service Providers).
- Where is Diane Franza-Johnson located?
- Diane Franza-Johnson's practice location on file with NPPES is 930 4th St, San Francisco, CA 94158-1628.
- What is Diane Franza-Johnson's phone number?
- The practice phone number listed in the NPPES registry for Diane Franza-Johnson is (415) 799-1929.
- Is Diane Franza-Johnson's NPI active?
- Yes — Diane Franza-Johnson's NPI (1811158421) is active in the NPPES registry as of the last update on 2026-03-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.