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

Dr. Keith Roger Gronbach, DDS

Individual provider Oral and Maxillofacial Surgery (Dentist) · NPI 1992853204

Dr. Keith Roger Gronbach, DDS is an Oral and Maxillofacial Surgery (Dentist) in Lafayette, California. Licensed in California. Registered with an NPI since 2007.

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

3799 Mt Diablo Blvd
Lafayette, CA 94549-3538
Phone: (925) 283-4050
Fax: (925) 283-5340
Show map & directions

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 number1992853204
Entity typeIndividual (Type 1)
GenderMale
Credentials DDS
Sole proprietorNo
NPI enumeratedJanuary 5, 2007
Last updated in NPPESJuly 22, 2020
Certification dateJuly 22, 2020
Mailing address3799 Mt Diablo Blvd, Lafayette, CA 94549-3538

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