KAREN B WILLENS MD
NPI 1043389935
Radiology - Diagnostic Radiology in Cape Girardeau, MO
About Karen B Willens Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KAREN B WILLENS MD (NPI 1043389935) is an individual diagnostic radiology provider in Cape Girardeau, Missouri, licensed in Maine (015323) and active in the NPI registry since November 2006. She is enrolled in Medicare PECOS, is affiliated with Herrin Hospital, and is a graduate of Wayne State University School Of Medicine (1994).
NPPES Registry Identity
Specialties & Licenses
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
Karen B Willens Md 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
4Medicare enrollment records show Karen Willens reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Cape Girardeau, MO 63703
- Reassigned Medicare billing, Illinois, Kentucky, Maine and Missouri enrollments
- Medicare enrollment name: Cape Radiology Group PC
- 48 clinicians in this Medicare group
Perryville, MO 63775
- Reassigned Medicare billing, Missouri enrollment
- 192 clinicians in this Medicare group
Buffalo, NY 14214
- Reassigned Medicare billing, Maine enrollment
Calais, ME 04619
- Reassigned Medicare billing, Maine enrollment
- 94 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 45
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 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Herrin Hospital
Acute Care Hospitals · Herrin, ILMemorial Hospital Of Carbondale
Acute Care Hospitals · Carbondale, ILMercy Health - Lourdes Hospital
Acute Care Hospitals · Paducah, KYPoplar Bluff Regional Medical Center
Acute Care Hospitals · Poplar Bluff, MOSaint Francis Medical Center
Acute Care Hospitals · Cape Girardeau, MOPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 63703 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Reported Quality Measures
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
CAPE GIRARDEAU, MO 63703
CAPE GIRARDEAU, MO 63703
CAPE GIRARDEAU, MO 63703
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 Willens's NPI number?
The NPI number for Karen Willens is 1043389935. It was assigned to this individual provider in the NPPES registry on November 7, 2006.
Where is Karen Willens located?
Karen Willens practices at 70 Doctors Park, Cape Girardeau, MO 63703. The listed phone number is (573) 335-6671.
What is Karen Willens's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.
Is Karen Willens enrolled in Medicare?
Yes. Karen Willens 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 Willens's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Karen Willens reassigns Medicare benefits to 4 organizations: Cape Radiology Group, P.C. (Cape Girardeau, MO), Mercy Hospital Perry (Perryville, MO), Sra Medical Imaging LLC (Buffalo, NY) and Calais Community Hospital (Calais, ME). 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 Willens's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Karen Willens accept?
Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Arkansas Health & Wellness, Ambetter from Sunflower Health Plan and Ambetter of Oklahoma and 1 other insurer list Karen Willens 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 Willens affiliated with any hospitals?
According to CMS data, Karen Willens is affiliated with Herrin Hospital, Memorial Hospital Of Carbondale, Mercy Health - Lourdes Hospital, Poplar Bluff Regional Medical Center and Saint Francis Medical Center.
When was this NPI record last updated?
The NPPES record for Karen Willens was last updated on March 29, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.