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Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Dr. Mary Allison Harper, DMD

General Practice Dentistry in Hayward, WI · enumerated 2007.

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

National Provider Identifier

1205957594

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Registry record

Entity type Individual (Type 1)
Name Dr. Mary Allison Harper
Credential DMD
Sex Female
Practice address Hayward, WI, 54843
Phone (715) 638-5144
Fax (715) 634-9919
Enumeration date Apr 3, 2007
Last updated in NPPES Jun 2, 2025

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

1223G0001X General Practice Dentistry Dental Providers · License DN17548 (FL) Secondary
1223G0001X General Practice Dentistry Dental Providers · License 6987 (ID) Primary
DMD · Doctor of Medicine in Dentistry: A licensed dentist; DMD and DDS are equivalent dental degrees. About the DMD credential

Other identifiers

Identifier Type State Issuer
1205957594 Medicaid WI -
807490600 Medicaid ID -

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 Mary Harper?
The National Provider Identifier (NPI) for Mary Harper is 1205957594, a Type 1 (individual) record in the CMS NPPES registry.
Where does Mary Harper practice?
The practice location on file with NPPES is in Hayward, WI. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

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Harry Malcolm Family Medicine Physician · Hayward, WI NPI 1144251166 Lac Courte Oreilles Governing Clinic/Center · Hayward, WI NPI 1194830208 Lac Courte Oreilles Governing Federally Qualified Health Center (FQHC) · Hayward, WI NPI 1598890378 Lac Courte Oreilles Community Health Center Mental Health Clinic/Center (Including Community Mental Health Center) · Hayward, WI NPI 1134395684 Lac Courte Oreilles Community Health Center Case Manager/Care Coordinator · Hayward, WI NPI 1174848980 Lac Courte Oreilles Comprehensive Care Services Mental Health Clinic/Center (Including Community Mental Health Center) · Hayward, WI NPI 1215453659 Lac Courte Oreilles Community Health Center Non-emergency Medical Transport (VAN) · Hayward, WI NPI 1215801154 William Morrow Driver · Hayward, WI NPI 1053275511

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-06-02.