Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Margaret Gray Wilson
Physician Assistant in Mequon, WI · enumerated 2020.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1538797816
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Registry record
Entity type Individual (Type 1)
Name Margaret Gray Wilson
Sex Female
Practice address 12203 Corporate Pkwy, Mequon, WI, 53092
Phone (262) 387-8200
Enumeration date Mar 31, 2020
Last updated in NPPES Feb 22, 2024
Taxonomy & licenses
363AM0700X Medical Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License 5152 (WI) Secondary
363A00000X Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License 5152 (WI) Primary
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 100158117 | 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.
Frequently asked questions
What is the NPI number for Margaret Wilson?
The National Provider Identifier (NPI) for Margaret Wilson is 1538797816, a Type 1 (individual) record in the CMS NPPES registry.
Where does Margaret Wilson practice?
The practice location on file with NPPES is in Mequon, WI. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → East Mequon Surgery Center LLC Ambulatory Surgical Clinic/Center · Mequon, WI NPI 1346235058 Joseph Davies Orthopaedic Surgery Physician · Mequon, WI NPI 1891754008 Jolene Andryk Plastic Surgery Physician · Mequon, WI NPI 1326074196 Shari Buske Podiatrist · Mequon, WI NPI 1487682068 Thomas Puetz Gastroenterology Physician · Mequon, WI NPI 1295765287 Norine Nazareth Internal Medicine Physician · Mequon, WI NPI 1104856244 Mary Wick Occupational Therapist · Mequon, WI NPI 1396776696 Brenton Field Internal Medicine Physician · Mequon, WI NPI 1598797730
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-02-22.