Ya-Tzu Chang
NPI 1922641208 · Speech-Language Pathologist · San Diego, CA
Ya-Tzu Chang is a Speech-Language Pathologist provider in San Diego, CA (NPI 1922641208).
Provider details
- NPI number
- 1922641208
- Entity type
- Individual
- Primary specialty
- Speech-Language PathologistSpeech, Language and Hearing Service Providers
- Sex
- Female
- Sole proprietor
- Yes
- License
- 12619 (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
6 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
- 2019-10-19
- Last updated
- 2019-10-19
Frequently asked questions
- What is Ya-Tzu Chang's NPI number?
- Ya-Tzu Chang's National Provider Identifier (NPI) is 1922641208, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ya-Tzu Chang's specialty?
- Ya-Tzu Chang is listed in the NPPES registry with a primary specialty of Speech-Language Pathologist (Speech, Language and Hearing Service Providers).
- Where is Ya-Tzu Chang located?
- Ya-Tzu Chang's practice location on file with NPPES is 13223 Black Mountain Rd # 1358, San Diego, CA 92129-2698.
- What is Ya-Tzu Chang's phone number?
- The practice phone number listed in the NPPES registry for Ya-Tzu Chang is (858) 603-7627.
- Is Ya-Tzu Chang's NPI active?
- Yes — Ya-Tzu Chang's NPI (1922641208) is active in the NPPES registry as of the last update on 2019-10-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.