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

Individual provider Oral and Maxillofacial Surgery (Dentist) · NPI 1376923623

Mark Grinzinger, DDS, MD is an Oral and Maxillofacial Surgery (Dentist) in Grand Rapids, Michigan. Practices as a sole proprietor. Licensed in Michigan.

Licensed in
MI
In the registry since
2015
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.
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

4349 Sawkaw Dr NE
Grand Rapids, MI 49525-1768
Phone: (586) 576-4140
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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 2901021497 (MI)

Record details

NPI number1376923623
Entity typeIndividual (Type 1)
GenderMale
Credentials DDS , MD
Sole proprietorYes
NPI enumeratedJune 2, 2015
Last updated in NPPESJune 21, 2021
Certification dateJune 21, 2021
Mailing address4349 Sawkaw Dr Ne, Grand Rapids, MI 49525-1768

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