Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Allyson Johnson, PA-C
Physician Assistant in Madison, WI · enumerated 2024.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1578303012
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Registry record
Entity type Individual (Type 1)
Name Allyson Johnson
Credential PA-C
Sex Female
Practice address 600 Highland Ave, Madison, WI, 53792
Phone (608) 263-5442
Fax (608) 265-1753
Enumeration date May 31, 2024
Last updated in NPPES Jun 11, 2026
Taxonomy & licenses
363A00000X Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License PA20516 (TX) Primary
363AM0700X Medical Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License 7898-23 (WI) Secondary
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 Allyson Johnson?
The National Provider Identifier (NPI) for Allyson Johnson is 1578303012, a Type 1 (individual) record in the CMS NPPES registry.
Where does Allyson Johnson practice?
The practice location on file with NPPES is in Madison, WI. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Christina Morganti Orthopaedic Surgery Physician · Madison, WI NPI 1245232420 Janet Robillard Medical Physician Assistant · Madison, WI NPI 1659375046 Chris Konstantinou Cardiovascular Disease Physician · Madison, WI NPI 1346246162 Susan Rebsamen Neuroradiology Physician · Madison, WI NPI 1871590422 Dan Gralnek Urology Physician · Madison, WI NPI 1811995319 Yonker Wang Diagnostic Radiology Physician · Madison, WI NPI 1033117494 Frederick Heiden Anesthesiology Physician · Madison, WI NPI 1982603957 Dawn Ledbetter Anesthesiology Physician · Madison, WI NPI 1750381323
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-06-11.