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Alejandro A Eisma, MD

Internal Medicine Physician in Winnebago, WI · enumerated 2005 · practices at State of Wisconsin.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1225026990

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Registry record

Entity type Individual (Type 1)
Name Alejandro A Eisma
Credential MD
Sex Male
Practice address 1300 South Drive, Winnebago Mental Health Institute, Winnebago, WI, 54985
Phone (920) 235-4910
Fax (920) 236-2931
Enumeration date Oct 7, 2005
Last updated in NPPES Mar 4, 2008

Taxonomy & licenses

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License 43119 (WI) Primary
MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

Other identifiers

Identifier Type State Issuer
34115400 Medicaid WI -

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

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Frequently asked questions

What is the NPI number for Alejandro Eisma?
The National Provider Identifier (NPI) for Alejandro Eisma is 1225026990, a Type 1 (individual) record in the CMS NPPES registry.
Where does Alejandro Eisma practice?
The practice location on file with NPPES is in Winnebago, WI. Providers can have multiple locations; NPPES lists the primary practice address.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2008-03-04.