Walton Chan
NPI 1235754854 · Certified Respiratory Therapist · San Francisco, CA
Walton Chan is a Certified Respiratory Therapist provider in San Francisco, CA (NPI 1235754854).
Provider details
- NPI number
- 1235754854
- Entity type
- Individual
- Primary specialty
- Certified Respiratory TherapistRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Sex
- Male
- Sole proprietor
- No
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
6 yrs in NPPES registry
- Profile completeness38% of score
83% 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
- 2020-06-09
- Last updated
- 2020-06-09
- Certified
- 2020-06-09
Frequently asked questions
- What is Walton Chan's NPI number?
- Walton Chan's National Provider Identifier (NPI) is 1235754854, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Walton Chan's specialty?
- Walton Chan is listed in the NPPES registry with a primary specialty of Certified Respiratory Therapist (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is Walton Chan located?
- Walton Chan's practice location on file with NPPES is 2238 Geary Blvd, San Francisco, CA 94115-3416.
- What is Walton Chan's phone number?
- The practice phone number listed in the NPPES registry for Walton Chan is (415) 833-2000.
- Is Walton Chan's NPI active?
- Yes — Walton Chan's NPI (1235754854) is active in the NPPES registry as of the last update on 2020-06-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.