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

Dr. Karen Merkle, OD

Individual provider Optometrist · NPI 1558498949

Dr. Karen Merkle, OD is an Optometrist in Milwaukee, Wisconsin. Practices as a sole proprietor. Licensed in Wisconsin.

Licensed in
WI
In the registry since
2007
What do these letters mean?
OD — Doctor of Optometry
An optometrist: examines eyes, prescribes glasses and contacts, and treats many eye conditions.

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Practice location Address checks out

3925 S 76th St
Milwaukee, WI 53220-2320
Phone: (414) 543-2900
Fax: (414) 543-9130
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Optometrist (primary) Taxonomy 152W00000X · Licence 1595 (WI)

Record details

NPI number1558498949
Entity typeIndividual (Type 1)
GenderFemale
Credentials OD
Sole proprietorYes
NPI enumeratedFebruary 27, 2007
Last updated in NPPESJuly 8, 2007

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