Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. William Warner Fay, DDS

Individual provider Orthodontics and Dentofacial Orthopedics Dentistry · NPI 1841351376

Dr. William Warner Fay, DDS is an Orthodontics and Dentofacial Orthopedics Dentistry in San Francisco, California. Licensed in California. Registered with an NPI since 2006.

Licensed in
CA
In the registry since
2006
What do these letters mean?
DDS — Doctor of Dental Surgery
A dentist. DDS and DMD are the same qualification — universities choose which title to award.

See every abbreviation used in this directory →

Practice location Address checks out

3501 Fillmore St Apt 301
San Francisco, CA 94123-2158
Phone: (415) 994-1188
Fax: (650) 742-9704
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Orthodontics and Dentofacial Orthopedics Dentistry (primary) Taxonomy 1223X0400X · Licence DDS22456 (CA)

Record details

NPI number1841351376
Entity typeIndividual (Type 1)
GenderMale
Credentials DDS
Sole proprietorNo
NPI enumeratedDecember 12, 2006
Last updated in NPPESAugust 1, 2021
Certification dateAugust 1, 2021

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