IndividualActive
Wileen Chang, AU.D
NPI 1497798912 · Audiologist · San Francisco, CA
Wileen Chang, AU.D is a Audiologist provider in San Francisco, CA (NPI 1497798912).
Provider details
- NPI number
- 1497798912
- Entity type
- Individual
- Primary specialty
- AudiologistSpeech, Language and Hearing Service Providers
- Credential
- AU.D
- Sex
- Female
- Sole proprietor
- No
- License
- AU2033 (CA)
Specialties & taxonomies
Speech, Language and Hearing Service Providers
Profile Score
Detailed profile(91/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 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
400 Parnassus Ave
San Francisco, CA 94143-2202
Phone: (415) 353-2101
Fax: (415) 353-2883
Street-level locationGet directions
Mailing address
1635 Divisadero Street
San Francisco, CA 94143-0001
Registry dates
- Enumerated
- 2006-06-13
- Last updated
- 2008-06-06
Frequently asked questions
- What is Wileen Chang's NPI number?
- Wileen Chang's National Provider Identifier (NPI) is 1497798912, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Wileen Chang's specialty?
- Wileen Chang is listed in the NPPES registry with a primary specialty of Audiologist (Speech, Language and Hearing Service Providers).
- Where is Wileen Chang located?
- Wileen Chang's practice location on file with NPPES is 400 Parnassus Ave, San Francisco, CA 94143-2202.
- What is Wileen Chang's phone number?
- The practice phone number listed in the NPPES registry for Wileen Chang is (415) 353-2101.
- Is Wileen Chang's NPI active?
- Yes — Wileen Chang's NPI (1497798912) is active in the NPPES registry as of the last update on 2008-06-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.