What is Charles Chan's NPI number?

Charles Chan's National Provider Identifier (NPI) is 1063353704, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Charles Chan's specialty?

Charles Chan is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).

Where is Charles Chan located?

Charles Chan's practice location on file with NPPES is 4473 Willow Rd Ste 220, Pleasanton, CA 94588-8580.

What is Charles Chan's phone number?

The practice phone number listed in the NPPES registry for Charles Chan is (925) 416-3407.

Is Charles Chan's NPI active?

Yes — Charles Chan's NPI (1063353704) is active in the NPPES registry as of the last update on 2026-04-06.

IndividualActive

Charles Chan

NPI 1063353704 · Family Medicine Physician · Pleasanton, CA

Charles Chan is a Family Medicine Physician provider in Pleasanton, CA (NPI 1063353704).

Provider details

NPI number: 1063353704
Entity type: Individual
Primary specialty: Family Medicine PhysicianAllopathic & Osteopathic Physicians
Sex: Male
Sole proprietor: No
License: STUDENT (CA)

Specialties & taxonomies

Family Medicine PhysicianPrimary207Q00000XLicense STUDENT (CA)
Allopathic & Osteopathic Physicians

Profile Score

Established profile(53/100 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

4473 Willow Rd Ste 220

Pleasanton, CA 94588-8580

Phone: (925) 416-3407

Street-level locationGet directions

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Mailing address