Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Madeleine M Hacker, OD
Optometrist in Portage, WI · enumerated 2018.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1053803114
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Registry record
Entity type Individual (Type 1)
Name Madeleine M Hacker
Credential OD
Sex Female
Practice address 2825 Hunters Trl, Portage, WI, 53901
Phone (608) 742-5522
Fax (608) 745-3054
Enumeration date Jun 5, 2018
Last updated in NPPES Aug 2, 2019
Taxonomy & licenses
OD · Doctor of Optometry: A licensed optometrist providing primary vision care, eye exams, and corrective lenses.
About the OD credential
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.
Frequently asked questions
What is the NPI number for Madeleine Hacker?
The National Provider Identifier (NPI) for Madeleine Hacker is 1053803114, a Type 1 (individual) record in the CMS NPPES registry.
Where does Madeleine Hacker practice?
The practice location on file with NPPES is in Portage, WI. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Paul Young Pediatrics Physician · Portage, WI NPI 1477548949 Michael Brouette Physician Assistant · Portage, WI NPI 1437132669 Darcy Steinhorst Physician Assistant · Portage, WI NPI 1336122506 Bradley Schnee Family Medicine Physician · Portage, WI NPI 1821055583 Paul Slavik Internal Medicine Physician · Portage, WI NPI 1649238932 Gerald Krumpos Family Medicine Physician · Portage, WI NPI 1134187446 Antonio Escobedo-Morse Family Medicine Physician · Portage, WI NPI 1356399208 David Gregory Family Medicine Physician · Portage, WI NPI 1346298205
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2019-08-02.