Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Ward Dieter, PA
Physician Assistant in Madison, WI · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1659397891
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Registry record
Entity type Individual (Type 1)
Name Ward Dieter
Credential PA
Sex Male
Practice address 8202 Excelsior Dr, Madison, WI, 53717
Phone (608) 883-1176
Enumeration date Jul 14, 2006
Last updated in NPPES Jul 8, 2007
Taxonomy & licenses
363A00000X Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License 00224 (WI) Primary
PA · Physician Assistant: A licensed clinician who practices medicine in collaboration with physicians, trained in a graduate PA program.
About the PA credential
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 42908400 | 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
Where does Ward Dieter practice?
The practice location on file with NPPES is in Madison, WI. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Ward Dieter?
The National Provider Identifier (NPI) for Ward Dieter is 1659397891, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all → Claudiu Gherlan Internal Medicine Physician · Madison, WI NPI 1639134216 Christian Kastman Family Medicine Physician · Madison, WI NPI 1851331151 Rebecca Printen Specialist · Madison, WI NPI 1588689509 Efrat Livny Specialist · Madison, WI NPI 1801811849 Jaala Spiro Acupuncturist · Madison, WI NPI 1801811492 Lisa O'Conner Specialist · Madison, WI NPI 1811913908 Mary Karls Specialist · Madison, WI NPI 1720004781 Khadija Zayed Specialist · Madison, WI NPI 1235155219
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.