Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Mrs. Sarah Elizabeth Grunke, PA-C
Physician Assistant in Oshkosh, WI · enumerated 2013.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1598198426
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Registry record
Entity type Individual (Type 1)
Name Mrs. Sarah Elizabeth Grunke
Credential PA-C
Sex Female
Practice address 1855 S Koeller St, Oshkosh, WI, 54902
Phone (920) 223-2000
Enumeration date Aug 14, 2013
Last updated in NPPES Dec 19, 2023
Taxonomy & licenses
363A00000X Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License 016823 (NY) Secondary
363A00000X Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License 7318 (WI) Primary
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 100249649 | 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 Sarah Grunke?
The National Provider Identifier (NPI) for Sarah Grunke is 1598198426, a Type 1 (individual) record in the CMS NPPES registry.
Where does Sarah Grunke practice?
The practice location on file with NPPES is in Oshkosh, WI. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → David Coleman Family Medicine Physician · Oshkosh, WI NPI 1639170301 Christopher Laufer Pediatrics Physician · Oshkosh, WI NPI 1508850306 Mark Kehrberg Pediatrics Physician · Oshkosh, WI NPI 1679567473 Steven Cavness Psychologist · Oshkosh, WI NPI 1669466421 Christal Sakrison Family Medicine Physician · Oshkosh, WI NPI 1073508487 Matthew Kraemer Internal Medicine Physician · Oshkosh, WI NPI 1972598332 James Smrecek Family Medicine Physician · Oshkosh, WI NPI 1063407385 Thomas Wex Family Medicine Physician · Oshkosh, WI NPI 1508851825
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-12-19.