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

Mark J Grevlich, DDS

Individual provider Dentist · NPI 1245498641

Mark J Grevlich, DDS is a Dentist in Oconomowoc, Wisconsin. Practices as a sole proprietor. Licensed in Wisconsin.

Licensed in
WI
In the registry since
2008
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.

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Practice location Address checks out

N68W33420 Hwy K
Oconomowoc, WI 53066
Phone: (262) 966-9798
Fax: (262) 966-0443
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Dentist (primary) Taxonomy 122300000X · Licence WI3153 (WI)

Record details

NPI number1245498641
Entity typeIndividual (Type 1)
GenderMale
Credentials DDS
Sole proprietorYes
NPI enumeratedJune 2, 2008
Last updated in NPPESJune 2, 2008
Mailing addressN68w33420 Hwy K, Oconomowoc, WI 53066

Other providers in Oconomowoc