Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Lauren T Sullivan, NP
Nurse Practitioner in Oshkosh, WI · enumerated 2012.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1083960843
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Registry record
Entity type Individual (Type 1)
Name Lauren T Sullivan
Credential NP
Sex Female
Practice address 2400 Witzel Ave Ste A, Oshkosh, WI, 54904
Phone (920) 233-1540
Fax (920) 651-6951
Enumeration date Jul 31, 2012
Last updated in NPPES Jul 11, 2024
Taxonomy & licenses
363L00000X Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 154169 (WI) Secondary
363L00000X Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 4955-33 (WI) Primary
NP · Nurse Practitioner: An advanced practice registered nurse with graduate training, licensed to diagnose and treat, often with prescriptive authority.
About the NP credential
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 100025102 | Medicaid | WI | - |
| 2012010636 | Other | WI | ANCC |
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 Lauren Sullivan practice?
The practice location on file with NPPES is in Oshkosh, WI. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Lauren Sullivan?
The National Provider Identifier (NPI) for Lauren Sullivan is 1083960843, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all →Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-07-11.