DR. LAUREN M LITTLEFIELD M.D.
NPI 1902241003
Anesthesiology - Pain Medicine in Oshkosh, WI
About Dr. Lauren M Littlefield M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. LAUREN M LITTLEFIELD M.D. (NPI 1902241003) is an individual pain medicine provider in Oshkosh, Wisconsin, licensed in Wisconsin (68886) and active in the NPI registry since May 2013. She is enrolled in Medicare PECOS, is affiliated with Aurora Medical Ctr Oshkosh, and is a graduate of University Of Texas Medical School At San Antonio (2013).
NPPES Registry Identity
Specialties & Licenses 2
Other Names 1
Other Identifiers 1
Accepted 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
Dr. Lauren M Littlefield M.d. 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.
Medicare Billing Reassignment
Medicare enrollment records show Lauren Littlefield reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Sheboygan, WI 53081
- Reassigned Medicare billing, Wisconsin enrollment
- 4,609 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 10
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Aurora Medical Ctr Oshkosh
Acute Care Hospitals · Oshkosh, WIOther Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
OSHKOSH, WI 54904
OSHKOSH, WI 54904
OSHKOSH, WI 54904
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 Littlefield's NPI number?
The NPI number for Lauren Littlefield is 1902241003. It was assigned to this individual provider in the NPPES registry on May 2, 2013. The provider is also known as Lauren M Lyons.
Where is Lauren Littlefield located?
Lauren Littlefield practices at 700 N Westhaven Dr, Oshkosh, WI 54904. The listed phone number is (920) 303-8700.
What is Lauren Littlefield's specialty?
The primary specialty registered for this NPI is Anesthesiology, specializing in Pain Medicine, with taxonomy code 207LP2900X.
Is Lauren Littlefield enrolled in Medicare?
Yes. Lauren Littlefield 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 Littlefield's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Lauren Littlefield reassigns Medicare benefits to Aurora Medical Group, Inc. (Sheboygan, 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 Littlefield's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Lauren Littlefield accept?
Health plans from Anthem Blue Cross and Blue Shield, Aspirus Health Plan, CareSource (Common Ground Healthcare), HealthPartners and Network Health and 1 other insurer list Lauren Littlefield 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.
Is Lauren Littlefield affiliated with any hospitals?
According to CMS data, Lauren Littlefield is affiliated with Aurora Medical Ctr Oshkosh.
When was this NPI record last updated?
The NPPES record for Lauren Littlefield was last updated on July 23, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 months 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.