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LAUREN T SULLIVAN NP
NPI 1083960843
Nurse Practitioner in Oshkosh, WI

Active since July 31, 2012PECOS EnrolledAccepts Medicare Assignment
2400 WITZEL AVE STE A, OSHKOSH, WI 54904(920) 233-1540(920) 651-6951 Get Directions Write a Review

NPPES record last updated: July 11, 2024. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jul 11, 2024, Nov 24, 2021, Jun 18, 2021 and 1 more (4 updates tracked since 2021).

About Lauren T Sullivan Np NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

LAUREN T SULLIVAN NP (NPI 1083960843) is an individual nurse practitioner in Oshkosh, Wisconsin, licensed in Wisconsin (4955-33) and active in the NPI registry since July 2012. She is enrolled in Medicare PECOS and is a graduate of Other (2012).

NPPES Registry Identity

NPI1083960843
Entity TypeIndividualFemale
Primary Taxonomy363L00000X
Provider Legal NameLAUREN T SULLIVANCredential: NP
Location Address2400 WITZEL AVE STE AOshkosh, WI 54904-8375
Mailing Address2400 Witzel Ave Ste AOshkosh, WI 54904-8375 · (920) 233-1540 · Fax (920) 651-6951
Phone(920) 233-1540
Fax(920) 651-6951
Sole ProprietorNo
Medical School CMSOtherGraduated 2012
Enumeration DateJuly 31, 2012
Last NPPES UpdateJuly 11, 20244 updates tracked since enumeration
NPPES CertifiedJuly 11, 2024
✔ NPI 1083960843 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363L00000X
Licenses✔ Licensed in WI · 4955-33✔ Licensed in WI · 154169
Definition
(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.
2400 WITZEL AVE STE A, Oshkosh, WI 54904
Open in Google Maps ↗

Other Identifiers 2

Medicaid100025102WI
Other2012010636WI · Ancc

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, Aspirus Health Plan, CareSource (Common Ground Healthcare) and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Lauren T Sullivan Np is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID1254582059
PECOS Enrollment IDI20121102000311
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Lauren Sullivan reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Fox Valley Plastic Surgery, S.C.
Same address
Plastic Surgery
2400 WITZEL AVE, SUITE A
Oshkosh, WI 54904
  • Reassigned Medicare billing, Wisconsin enrollment
  • 3 clinicians in this Medicare group
NPI 1669695284 (920) 233-1540

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 54904 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$82.92 typical visit price
range $53.90 – $163.24
Typical copayment $20.73 (range $13.47 – $40.81)
Most-billed visit code 99203
Established Patient
$95.41 typical visit price
range $17.40 – $133.76
Typical copayment $23.85 (range $4.35 – $33.44)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 4

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. DAVID A JANSSEN M.D.
Plastic Surgery
2400 WITZEL AVE STE A
OSHKOSH, WI 54904
Winnebago County (920) 233-1540
ASHLEIGH ELIZABETH LEDET PA-C
Physician Assistant
2400 WITZEL AVE STE A
OSHKOSH, WI 54904
Winnebago County (920) 233-1540
WILLIAM G DOUBEK M.D.
Plastic Surgery
2400 WITZEL AVE STE A
OSHKOSH, WI 54904
Winnebago County (920) 233-1540
JASON LANDON GARROW P.A.
Physician Assistant (Surgical)
2400 WITZEL AVE STE A
OSHKOSH, WI 54904
Winnebago County (920) 233-1540

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Lauren Sullivan's NPI number?

The NPI number for Lauren Sullivan is 1083960843. It was assigned to this individual provider in the NPPES registry on July 31, 2012.

Where is Lauren Sullivan located?

Lauren Sullivan practices at 2400 Witzel Ave Ste A, Oshkosh, WI 54904. The listed phone number is (920) 233-1540.

What is Lauren Sullivan's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

Is Lauren Sullivan enrolled in Medicare?

Yes. Lauren Sullivan is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Lauren Sullivan's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Lauren Sullivan reassigns Medicare benefits to Fox Valley Plastic Surgery, S.C. (Oshkosh, WI). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Lauren Sullivan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Lauren Sullivan accept?

Health plans from Anthem Blue Cross and Blue Shield, Aspirus Health Plan, CareSource (Common Ground Healthcare), HealthPartners and Network Health and 2 other insurers list Lauren Sullivan as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Lauren Sullivan was last updated on July 11, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.