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

Keith R. Gronbach, DDS, Inc

Organization Oral and Maxillofacial Surgery (Dentist) · NPI 1093808594

Keith R. Gronbach, DDS, Inc is an Oral and Maxillofacial Surgery (Dentist) in Lafayette, California. Licensed in California. Registered with an NPI since 2006.

Licensed in
CA
In the registry since
2006
What do these letters mean?
Inc — Incorporated
A form of business registration, not a clinical qualification.

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Practice location Address checks out

3799 Mt Diablo Blvd
Lafayette, CA 94549-3538
Phone: (925) 283-4050
Fax: (925) 283-5340
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Oral and Maxillofacial Surgery (Dentist) (primary) Taxonomy 1223S0112X · Licence 44317 (CA)

Record details

NPI number1093808594
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Keith Gronbach — President · (925) 283-4050
Other names East Bay Oral Surgery
NPI enumeratedOctober 2, 2006
Last updated in NPPESJuly 22, 2020
Certification dateJuly 22, 2020
Mailing address3799 Mt Diablo Blvd, Lafayette, CA 94549-3538

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