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

Dr. William A Grippo, DDS

Individual provider Periodontics · NPI 1295853984

Dr. William A Grippo, DDS is a Periodontics in Napa, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2007
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

3220 Beard Rd Ste C
Napa, CA 94558-3403
Phone: (707) 252-6077
Fax: (707) 252-7596
Show map & directions

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

Specialties & licences

Periodontics (primary) Taxonomy 1223P0300X · Licence D23104 (CA)

Record details

NPI number1295853984
Entity typeIndividual (Type 1)
GenderMale
Credentials DDS
Sole proprietorYes
NPI enumeratedMarch 27, 2007
Last updated in NPPESJuly 8, 2007
Mailing address3220 Beard Rd Ste C, Napa, CA 94558-3403

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