IndividualActive
William Grippo, D.D.S.
NPI 1295853984 · Periodontics · Napa, CA
William Grippo, D.D.S. is a Periodontics provider in Napa, CA (NPI 1295853984).
Provider details
- NPI number
- 1295853984
- Entity type
- Individual
- Primary specialty
- PeriodonticsDental Providers
- Credential
- D.D.S.
- Sex
- Male
- Sole proprietor
- Yes
- License
- D23104 (CA)
Specialties & taxonomies
Dental Providers
Profile Score
Detailed profile(89/100 index)
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
3220 Beard Rd Ste C
Napa, CA 94558-3403
Phone: (707) 252-6077
Fax: (707) 252-7596
Street-level locationGet directions
Mailing address
3220 Beard Rd Ste C
Napa, CA 94558-3403
Registry dates
- Enumerated
- 2007-03-27
- Last updated
- 2007-07-08
Frequently asked questions
- What is William Grippo's NPI number?
- William Grippo's National Provider Identifier (NPI) is 1295853984, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Grippo's specialty?
- William Grippo is listed in the NPPES registry with a primary specialty of Periodontics (Dental Providers).
- Where is William Grippo located?
- William Grippo's practice location on file with NPPES is 3220 Beard Rd Ste C, Napa, CA 94558-3403.
- What is William Grippo's phone number?
- The practice phone number listed in the NPPES registry for William Grippo is (707) 252-6077.
- Is William Grippo's NPI active?
- Yes — William Grippo's NPI (1295853984) 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.