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DR. WILLIAM C. CHAN DDS
NPI 1699857904
Dentist - Oral and Maxillofacial Surgery in San Francisco, CA

Active since October 19, 2006
2001 VAN NESS AVE STE 401, SAN FRANCISCO, CA 94109(415) 776-6710 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. William C. Chan Dds NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. WILLIAM C. CHAN DDS (NPI 1699857904) is an individual oral and maxillofacial surgery provider in San Francisco, California, licensed in California (25787) and active in the NPI registry since October 2006.

NPPES Registry Identity

NPI1699857904
Entity TypeIndividualMale
Primary Taxonomy1223S0112X
Provider Legal NameDR. WILLIAM C. CHANCredential: DDS
Location Address2001 VAN NESS AVE STE 401San Francisco, CA 94109-3040
Mailing Address2001 Van Ness Ave Ste 401San Francisco, CA 94109-3040
Phone(415) 776-6710
Sole ProprietorYes
Enumeration DateOctober 19, 2006
Last NPPES UpdateJuly 8, 2007
✔ NPI 1699857904 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDentist · Oral and Maxillofacial SurgeryDental Providers
Taxonomy Code1223S0112X
License✔ Licensed in CA · 25787
Definition
An oral and maxillofacial surgery dentist specialized in the diagnosis, surgical and adjunctive treatment of diseases, injuries and defects involving both the functional and esthetic aspects of the hard and soft tissues of the oral and maxillofacial region.
2001 VAN NESS AVE STE 401, San Francisco, CA 94109
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Other Providers at the Same Location NPPES 3

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. MICHAEL Y. CHAN DDS
Dentist (Oral and Maxillofacial Surgery)
2001 VAN NESS AVE STE 401
SAN FRANCISCO, CA 94109
San Francisco County (415) 776-6710
DR. HYUN S. BANG DDS
Dentist (General Practice)
2001 VAN NESS AVE STE 401
SAN FRANCISCO, CA 94109
San Francisco County (415) 771-2150
MADELINE VALEREE PASIMIO
Dentist
2001 VAN NESS AVE STE 401
SAN FRANCISCO, CA 94109
San Francisco County (415) 805-6914

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is William Chan's NPI number?

The NPI number for William Chan is 1699857904. It was assigned to this individual provider in the NPPES registry on October 19, 2006.

Where is William Chan located?

William Chan practices at 2001 Van Ness Ave Ste 401, San Francisco, CA 94109. The listed phone number is (415) 776-6710.

What is William Chan's specialty?

The primary specialty registered for this NPI is Dentist, specializing in Oral and Maxillofacial Surgery, with taxonomy code 1223S0112X.

When was this NPI record last updated?

The NPPES record for William Chan was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.