Chang Zhu, B,A
NPI 1497904726 · Addiction (Substance Use Disorder) Counselor · San Francisco, CA
Chang Zhu, B,A is a Addiction (Substance Use Disorder) Counselor provider in San Francisco, CA (NPI 1497904726).
Provider details
- NPI number
- 1497904726
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Credential
- B,A
- Sex
- Male
- Sole proprietor
- No
- License
- D3367827 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
17 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
- 2008-09-10
- Last updated
- 2008-09-10
Frequently asked questions
- What is Chang Zhu's NPI number?
- Chang Zhu's National Provider Identifier (NPI) is 1497904726, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Chang Zhu's specialty?
- Chang Zhu is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is Chang Zhu located?
- Chang Zhu's practice location on file with NPPES is 2201 Sutter St, San Francisco, CA 94115-3109.
- What is Chang Zhu's phone number?
- The practice phone number listed in the NPPES registry for Chang Zhu is (415) 776-1001.
- Is Chang Zhu's NPI active?
- Yes — Chang Zhu's NPI (1497904726) is active in the NPPES registry as of the last update on 2008-09-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.