Wesley Chan, M.D.
NPI 1740214899 · Preventive Medicine/Occupational Environmental Medicine Physician · Walnut Creek, CA
Wesley Chan, M.D. is a Preventive Medicine/Occupational Environmental Medicine Physician provider in Walnut Creek, CA (NPI 1740214899).
Provider details
- NPI number
- 1740214899
- Entity type
- Individual
- Primary specialty
- Preventive Medicine/Occupational Environmental Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- G77368 (CA)
Specialties & taxonomies
- Preventive Medicine/Occupational Environmental Medicine PhysicianPrimary2083P0500XLicense G77368 (CA)
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
- 2006-07-11
- Last updated
- 2007-07-08
Frequently asked questions
- What is Wesley Chan's NPI number?
- Wesley Chan's National Provider Identifier (NPI) is 1740214899, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Wesley Chan's specialty?
- Wesley Chan is listed in the NPPES registry with a primary specialty of Preventive Medicine/Occupational Environmental Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Wesley Chan located?
- Wesley Chan's practice location on file with NPPES is 1981 N Broadway, Walnut Creek, CA 94596-3852.
- What is Wesley Chan's phone number?
- The practice phone number listed in the NPPES registry for Wesley Chan is (925) 932-7715.
- Is Wesley Chan's NPI active?
- Yes — Wesley Chan's NPI (1740214899) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.