Diana Chiu
NPI 1720661457 · Counselor · San Francisco, CA
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Diana Chiu is a Counselor provider in San Francisco, CA (NPI 1720661457).
Provider details
- NPI number
- 1720661457
- Entity type
- Individual
- Primary specialty
- CounselorBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- No
- License
- ASW93102 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Behavioral Health & Social Service Providers
- Case Manager/Care Coordinator171M00000X
Other Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
5 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
- 2021-04-30
- Last updated
- 2021-07-30
- Certified
- 2021-07-29
Frequently asked questions
- What is Diana Chiu's NPI number?
- Diana Chiu's National Provider Identifier (NPI) is 1720661457, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Diana Chiu's specialty?
- Diana Chiu is listed in the NPPES registry with a primary specialty of Counselor (Behavioral Health & Social Service Providers).
- Where is Diana Chiu located?
- Diana Chiu's practice location on file with NPPES is 50 Ivy St, San Francisco, CA 94102-4506.
- What is Diana Chiu's phone number?
- The practice phone number listed in the NPPES registry for Diana Chiu is (415) 810-0463.
- Does Diana Chiu accept Medicare?
- Diana Chiu is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Diana Chiu's NPI active?
- Yes — Diana Chiu's NPI (1720661457) is active in the NPPES registry as of the last update on 2021-07-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.