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

Dr. Thomas K. Marsh, OD

Individual provider Optometrist · NPI 1578556239

Dr. Thomas K. Marsh, OD is an Optometrist in Oconomowoc, Wisconsin. Licensed in Wisconsin. Registered with an NPI since 2005.

Licensed in
WI
In the registry since
2005
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

1280 Summit Ave
Oconomowoc, WI 53066-4445
Phone: (262) 567-3214
Fax: (262) 567-2449
Show map & directions

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

Specialties & licences

Optometrist (primary) Taxonomy 152W00000X · Licence 1507 (WI)

Record details

NPI number1578556239
Entity typeIndividual (Type 1)
GenderMale
Credentials OD
Sole proprietorNo
NPI enumeratedAugust 29, 2005
Last updated in NPPESJanuary 9, 2012
Mailing address1280 Summit Ave, Oconomowoc, WI 53066-4445

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