IndividualActive
Derek Mui
NPI 1568393551 · Registered Nurse · South San Francisco, CA
Derek Mui is a Registered Nurse provider in South San Francisco, CA (NPI 1568393551).
Provider details
- NPI number
- 1568393551
- Entity type
- Individual
- Primary specialty
- Registered NurseNursing Service Providers
- Sole proprietor
- No
- License
- 95402861 (CA)
Specialties & taxonomies
Nursing Service Providers
Profile Score
Established profile(52/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
Under 1 yr in 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
240 Littlefield Ave
South San Francisco, CA 94080-6902
Phone: (650) 822-5902
Street-level locationGet directions
Mailing address
395 Dolores Way
South San Francisco, CA 94080-1415
Registry dates
- Enumerated
- 2026-05-27
- Last updated
- 2026-05-27
- Certified
- 2026-05-27
Frequently asked questions
- What is Derek Mui's NPI number?
- Derek Mui's National Provider Identifier (NPI) is 1568393551, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Derek Mui's specialty?
- Derek Mui is listed in the NPPES registry with a primary specialty of Registered Nurse (Nursing Service Providers).
- Where is Derek Mui located?
- Derek Mui's practice location on file with NPPES is 240 Littlefield Ave, South San Francisco, CA 94080-6902.
- What is Derek Mui's phone number?
- The practice phone number listed in the NPPES registry for Derek Mui is (650) 822-5902.
- Is Derek Mui's NPI active?
- Yes — Derek Mui's NPI (1568393551) is active in the NPPES registry as of the last update on 2026-05-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.