MRS. KAREN L RIDENOUR F.N.P., BC
NPI 1720347933
Nurse Practitioner - Family in Springfield, IL
About Mrs. Karen L Ridenour F.n.p., Bc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MRS. KAREN L RIDENOUR F.N.P., BC (NPI 1720347933) is an individual family provider in Springfield, Illinois, licensed in Illinois (209009534) and active in the NPI registry since May 2012. She is enrolled in Medicare PECOS, is affiliated with Anderson Hospital, and maintains 4 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 4
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
Mrs. Karen L Ridenour F.n.p., Bc 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 Ridenour reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Maryville, IL 62062
- Reassigned Medicare billing, Illinois enrollment
- 145 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.
Anderson Hospital
Acute Care Hospitals · Maryville, ILPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 62781 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.
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 Ridenour's NPI number?
The NPI number for Karen Ridenour is 1720347933. It was assigned to this individual provider in the NPPES registry on May 8, 2012.
Where is Karen Ridenour located?
Karen Ridenour practices at 701 N First St Memorial Health System Midwest Emergency Dept Specialists, Springfield, IL 62781. The listed phone number is (618) 498-7108.
What is Karen Ridenour's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Karen Ridenour enrolled in Medicare?
Yes. Karen Ridenour 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 Ridenour's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Karen Ridenour reassigns Medicare benefits to Anderson Medical Group, LLC (Maryville, IL). 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 Ridenour's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Karen Ridenour accept?
Health plans from Ambetter Health, Ambetter Health of Delaware and Anthem Blue Cross and Blue Shield list Karen Ridenour 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 Ridenour affiliated with any hospitals?
According to CMS data, Karen Ridenour is affiliated with Anderson Hospital.
When was this NPI record last updated?
The NPPES record for Karen Ridenour was last updated on January 5, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Mrs. Karen L Ridenour, F.N.P., BC · NPI 1720347933
Family physician in Springfield, Illinois. Individual provider, active in the CMS NPPES registry since May 8, 2012.
## Identity
- **NPI:** 1720347933 (Entity type: Individual)
- **Enumerated:** May 8, 2012
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** 209009534 (Illinois)
- **Sole proprietor:** No
## Practice location
- **Address:** 701 N FIRST ST MEMORIAL HEALTH SYSTEM, MIDWEST EMERGENCY DEPT SPECIALISTS, Springfield, IL 62781-0001
- **Phone:** (618) 498-7108 · **Fax:** (618) 498-7919
## 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:** Anderson Medical Group, LLC (NPI 1700807716, Maryville, IL), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2011
## Record status
- **NPPES last updated:** January 5, 2022
- **Other identifiers:** Medicaid 209009534 (IL)
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Source: [NPI Profile](https://npiprofile.com/npi/1720347933) · Data from the CMS NPPES public registry.