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

Dr. Kay Ellen Theyerl, MD

Individual provider Internal Medicine Physician · NPI 1669473674

Dr. Kay Ellen Theyerl, MD is an Internal Medicine Physician in Neenah, Wisconsin. Licensed in Wisconsin. Registered with an NPI since 2005.

Licensed in
WI
In the registry since
2005
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

200 Theda Clark Medical Plz Ste 240
Neenah, WI 54956-2721
Phone: (920) 725-2070
Fax: (920) 725-4549
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 46219-020 (WI)

Record details

NPI number1669473674
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 2, 2005
Last updated in NPPESJune 25, 2012

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