Keith R. Gronbach, D.D.S., Inc.
NPI 1093808594 · Oral and Maxillofacial Surgery (Dentist) · Lafayette, CA
Keith R. Gronbach, D.D.S., Inc. is a Oral and Maxillofacial Surgery (Dentist) organization in Lafayette, CA (NPI 1093808594).
Provider details
- NPI number
- 1093808594
- Entity type
- Organization
- Primary specialty
- Oral and Maxillofacial Surgery (Dentist)Dental Providers
- Organization subpart
- No
- Authorized official
- Keith Gronbach, President(925) 283-4050
- License
- 44317 (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
Other names (DBA / former)
- Other name
- East Bay Oral Surgery
Registry dates
- Enumerated
- 2006-10-02
- Last updated
- 2020-07-22
- Certified
- 2020-07-22
Frequently asked questions
- What is Keith R. Gronbach, D.D.S., Inc.'s NPI number?
- Keith R. Gronbach, D.D.S., Inc.'s National Provider Identifier (NPI) is 1093808594, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Keith R. Gronbach, D.D.S., Inc.?
- Keith R. Gronbach, D.D.S., Inc. is classified in the NPPES registry as Oral and Maxillofacial Surgery (Dentist) (Dental Providers).
- Where is Keith R. Gronbach, D.D.S., Inc. located?
- Keith R. Gronbach, D.D.S., Inc.'s practice location on file with NPPES is 3799 Mt Diablo Blvd, Lafayette, CA 94549-3538.
- What is Keith R. Gronbach, D.D.S., Inc.'s phone number?
- The practice phone number listed in the NPPES registry for Keith R. Gronbach, D.D.S., Inc. is (925) 283-4050.
- Who is the authorized official for Keith R. Gronbach, D.D.S., Inc.?
- The authorized official listed on Keith R. Gronbach, D.D.S., Inc.'s NPPES record is Keith Gronbach, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Keith R. Gronbach, D.D.S., Inc.'s NPI active?
- Yes — Keith R. Gronbach, D.D.S., Inc.'s NPI (1093808594) is active in the NPPES registry as of the last update on 2020-07-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.