Drs. Gast and Griffin
NPI 1992921423 · Orthodontics and Dentofacial Orthopedics Dentistry · Novato, CA
Drs. Gast and Griffin is a Orthodontics and Dentofacial Orthopedics Dentistry organization in Novato, CA (NPI 1992921423).
Provider details
- NPI number
- 1992921423
- Entity type
- Organization
- Primary specialty
- Orthodontics and Dentofacial Orthopedics DentistryDental Providers
- Organization subpart
- No
- Authorized official
- Garry Gast, Orthodontist(415) 892-0736
- License
- 22800 (CA)
Specialties & taxonomies
Dental Providers
Profile Score
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
Mailing address
Registry dates
- Enumerated
- 2007-04-17
- Last updated
- 2008-06-12
Frequently asked questions
- What is Drs. Gast and Griffin's NPI number?
- Drs. Gast and Griffin's National Provider Identifier (NPI) is 1992921423, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Drs. Gast and Griffin?
- Drs. Gast and Griffin is classified in the NPPES registry as Orthodontics and Dentofacial Orthopedics Dentistry (Dental Providers).
- Where is Drs. Gast and Griffin located?
- Drs. Gast and Griffin's practice location on file with NPPES is 190 San Marin Dr, Novato, CA 94945-1218.
- What is Drs. Gast and Griffin's phone number?
- The practice phone number listed in the NPPES registry for Drs. Gast and Griffin is (415) 892-0736.
- Who is the authorized official for Drs. Gast and Griffin?
- The authorized official listed on Drs. Gast and Griffin's NPPES record is Garry Gast, Orthodontist. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Drs. Gast and Griffin's NPI active?
- Yes — Drs. Gast and Griffin's NPI (1992921423) is active in the NPPES registry as of the last update on 2008-06-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.