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

Alejandro A Eisma, MD

Individual provider Internal Medicine Physician · NPI 1225026990

Alejandro A Eisma, MD is an Internal Medicine Physician in Winnebago, 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

1300 S Drive Winnebago Mental Health Institute
Winnebago, WI 54985-0009
Phone: (920) 235-4910
Fax: (920) 236-2931
Show map & directions

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

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 43119 (WI)

Record details

NPI number1225026990
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedOctober 7, 2005
Last updated in NPPESMarch 4, 2008
Mailing address1855 S Koeller St, Oshkosh, WI 54902-6186

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