Harland Chan, RRT, CRT
NPI 1891267340 · Registered Respiratory Therapist · South San Francisco, CA
Harland Chan, RRT, CRT is a Registered Respiratory Therapist provider in South San Francisco, CA (NPI 1891267340).
Provider details
- NPI number
- 1891267340
- Entity type
- Individual
- Primary specialty
- Registered Respiratory TherapistRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Credential
- RRT, CRT
- Sex
- Male
- Sole proprietor
- No
- License
- 27736 (CA)
Specialties & taxonomies
Respiratory, Developmental, Rehabilitative and Restorative Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
7 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
- 2018-12-21
- Last updated
- 2022-04-05
Frequently asked questions
- What is Harland Chan's NPI number?
- Harland Chan's National Provider Identifier (NPI) is 1891267340, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Harland Chan's specialty?
- Harland Chan is listed in the NPPES registry with a primary specialty of Registered Respiratory Therapist (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is Harland Chan located?
- Harland Chan's practice location on file with NPPES is 1200 El Camino Real Fl 2, South San Francisco, CA 94080-3208.
- What is Harland Chan's phone number?
- The practice phone number listed in the NPPES registry for Harland Chan is (650) 742-3313.
- Is Harland Chan's NPI active?
- Yes — Harland Chan's NPI (1891267340) is active in the NPPES registry as of the last update on 2022-04-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.