Joanne Chang
NPI 1275300519 · Speech-Language Pathologist · Mountain View, CA
Joanne Chang is a Speech-Language Pathologist provider in Mountain View, CA (NPI 1275300519).
Provider details
- NPI number
- 1275300519
- Entity type
- Individual
- Primary specialty
- Speech-Language PathologistSpeech, Language and Hearing Service Providers
- Sex
- Female
- Sole proprietor
- Yes
- License
- 35700 (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
2 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
- 2023-12-06
- Last updated
- 2023-12-06
- Certified
- 2023-12-06
Frequently asked questions
- What is Joanne Chang's NPI number?
- Joanne Chang's National Provider Identifier (NPI) is 1275300519, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joanne Chang's specialty?
- Joanne Chang is listed in the NPPES registry with a primary specialty of Speech-Language Pathologist (Speech, Language and Hearing Service Providers).
- Where is Joanne Chang located?
- Joanne Chang's practice location on file with NPPES is 1931 California St Apt 22, Mountain View, CA 94040-2038.
- What is Joanne Chang's phone number?
- The practice phone number listed in the NPPES registry for Joanne Chang is (949) 285-2588.
- Is Joanne Chang's NPI active?
- Yes — Joanne Chang's NPI (1275300519) is active in the NPPES registry as of the last update on 2023-12-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.