DR. KAREN A PETERSON M.D.
NPI 1699091215
Anesthesiology in Kenosha, WI
About Dr. Karen A Peterson M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. KAREN A PETERSON M.D. (NPI 1699091215) is an individual anesthesiology provider in Kenosha, Wisconsin, licensed in Wisconsin (67282-20) and active in the NPI registry since April 2010. She is enrolled in Medicare PECOS, is affiliated with Aurora Medical Center Kenosha, and maintains a secondary practice location in Chicago.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Secondary Practice Location 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. Karen A Peterson 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 Reassignments
5Medicare enrollment records show Karen Peterson reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Milwaukee, WI 53215
- Reassigned Medicare billing, Wisconsin enrollment
- 4,609 clinicians in this Medicare group
Elk Grove Village, IL 60007
- Reassigned Medicare billing, Illinois enrollment
- 381 clinicians in this Medicare group
Park Ridge, IL 60068
- Reassigned Medicare billing, Illinois enrollment
- 42 clinicians in this Medicare group
Park Ridge, IL 60068
- Reassigned Medicare billing, Wisconsin enrollment
- 23 clinicians in this Medicare group
Arlington, TX 76006
- Reassigned Medicare billing, Illinois enrollment
- 735 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 2
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 Center Kenosha
Acute Care Hospitals · Kenosha, 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.
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 Karen Peterson's NPI number?
The NPI number for Karen Peterson is 1699091215. It was assigned to this individual provider in the NPPES registry on April 8, 2010. The provider is also known as Dr. Karen A Publ M.D..
Where is Karen Peterson located?
Karen Peterson practices at 10400 75th St, Kenosha, WI 53142. The listed phone number is (262) 948-5600.
What is Karen Peterson's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Karen Peterson enrolled in Medicare?
Yes. Karen Peterson 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 organizations bill Medicare for Karen Peterson's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Karen Peterson reassigns Medicare benefits to 5 organizations: Aurora Medical Group, Inc. (Milwaukee, WI), Adventist Health Partners, Inc. (Elk Grove Village, IL), Premiere Anesthesia Group LLC (Park Ridge, IL), Priority Anesthesia LLC (Park Ridge, IL) and Northstar Anesthesia Of Illinois, LLC (Arlington, TX). Each 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 Karen Peterson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Karen Peterson accept?
Health plans from CareSource (Common Ground Healthcare) and Oscar Health list Karen Peterson 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 Karen Peterson affiliated with any hospitals?
According to CMS data, Karen Peterson is affiliated with Aurora Medical Center Kenosha.
When was this NPI record last updated?
The NPPES record for Karen Peterson was last updated on June 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.