KAREN C SWALLEN MD
NPI 1023242831
Hospitalist in Baraboo, WI
About Karen C Swallen Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KAREN C SWALLEN MD (NPI 1023242831) is an individual hospitalist provider in Baraboo, Wisconsin, licensed in Wisconsin (55345-20) and active in the NPI registry since May 2009. She is enrolled in Medicare PECOS, is affiliated with Ssm Health St Clare Hospital - Baraboo, and is a graduate of University Of Wisconsin School Of Medicine (2008).
NPPES Registry Identity
Specialties & Licenses 2
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
Karen C Swallen 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 Reassignment
Medicare enrollment records show Karen Swallen reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Madison, WI 53715
- Reassigned Medicare billing, Wisconsin enrollment
- 1,377 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 7
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.
Ssm Health St Clare Hospital - Baraboo
Acute Care Hospitals · Baraboo, WIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 53913 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
Referred Medical Equipment & Supplies CMS DME claims 5
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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.
BARABOO, WI 53913
BARABOO, WI 53913
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 Swallen's NPI number?
The NPI number for Karen Swallen is 1023242831. It was assigned to this individual provider in the NPPES registry on May 7, 2009.
Where is Karen Swallen located?
Karen Swallen practices at 707 14th St, Baraboo, WI 53913. The listed phone number is (608) 356-1400.
What is Karen Swallen's specialty?
The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.
Is Karen Swallen enrolled in Medicare?
Yes. Karen Swallen 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 Karen Swallen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Karen Swallen reassigns Medicare benefits to Dean Health Systems, Inc (Madison, 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 Karen Swallen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Karen Swallen accept?
Health plans from Anthem Blue Cross and Blue Shield list Karen Swallen 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 Swallen affiliated with any hospitals?
According to CMS data, Karen Swallen is affiliated with Ssm Health St Clare Hospital - Baraboo.
When was this NPI record last updated?
The NPPES record for Karen Swallen was last updated on March 8, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.
# Karen C Swallen, MD · NPI 1023242831
Hospitalist physician in Baraboo, Wisconsin. Individual provider, active in the CMS NPPES registry since May 7, 2009.
## Identity
- **NPI:** 1023242831 (Entity type: Individual)
- **Enumerated:** May 7, 2009
- **Primary specialty:** Hospitalist · taxonomy 208M00000X
- **State license:** 55345-20 (Wisconsin)
- **Sole proprietor:** No
## Practice location
- **Address:** 707 14TH ST, Baraboo, WI 53913-1539
- **Phone:** (608) 356-1400
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Dean Health Systems, Inc (NPI 1053358846, Madison, WI), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Wisconsin School Of Medicine, class of 2008
## Record status
- **NPPES last updated:** March 8, 2025
- **Other identifiers:** Medicaid 1023242831 (WI)
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Source: [NPI Profile](https://npiprofile.com/npi/1023242831) · Data from the CMS NPPES public registry.