ANN CATHERINE KARABAS NP
NPI 1689049421
Nurse Practitioner - Women's Health in Washington, IL
About Ann Catherine Karabas Np NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ANN CATHERINE KARABAS NP (NPI 1689049421) is an individual women's health provider in Washington, Illinois, licensed in Indiana (71006828A) and active in the NPI registry since December 2015. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses 2
Other Names 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 (PECOS)
Ann Catherine Karabas Np is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
5Medicare enrollment records show Ann Karabas reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Peoria, IL 61636
- Reassigned Medicare billing, Illinois enrollment
- Also billed through NPI 1164474755 (Illinois)
- 693 clinicians in this Medicare group
Peoria, IL 61614
- Reassigned Medicare billing, Illinois enrollment
- 349 clinicians in this Medicare group
Eureka, IL 61530
- Reassigned Medicare billing, Illinois enrollment
- 4,870 clinicians in this Medicare group
Urbana, IL 61801
- Reassigned Medicare billing, Illinois enrollment
- Medicare enrollment name: Carle Health Care Incorporated
- 2,516 clinicians in this Medicare group
Valparaiso, IN 46383
- Reassigned Medicare billing, Indiana enrollment
- 11 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
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 61571 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
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 Ann Karabas's NPI number?
The NPI number for Ann Karabas is 1689049421. It was assigned to this individual provider in the NPPES registry on December 4, 2015. The provider is also known as Ann Pearl.
Where is Ann Karabas located?
Ann Karabas practices at 209 N Cummings Ln, Washington, IL 61571. The listed phone number is (309) 643-6185.
What is Ann Karabas's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Women's Health, with taxonomy code 363LW0102X.
Is Ann Karabas enrolled in Medicare?
Yes. Ann Karabas is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Ann Karabas's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ann Karabas reassigns Medicare benefits to 5 organizations: Methodist Medical Center Of Illinois (Peoria, IL), Proctor Health Systems (Peoria, IL), Advocate Health And Hospitals Corp. (Eureka, IL), Carle Health Medical Group (Urbana, IL) and Obstetrical And Gynecological Associates, Inc (Valparaiso, IN). 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 Ann Karabas's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Ann Karabas accept?
Health plans from CareSource list Ann Karabas 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.
When was this NPI record last updated?
The NPPES record for Ann Karabas was last updated on June 29, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Ann Catherine Karabas, NP · NPI 1689049421
Women's Health physician in Washington, Illinois. Individual provider, active in the CMS NPPES registry since December 4, 2015.
## Identity
- **NPI:** 1689049421 (Entity type: Individual)
- **Enumerated:** December 4, 2015
- **Primary specialty:** Nurse Practitioner - Women's Health · taxonomy 363LW0102X
- **State license:** 71006828A (Indiana)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 209 N CUMMINGS LN, Washington, IL 61571-2181
- **Phone:** (309) 643-6185
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 5 organizations under Medicare reassignment (form CMS-855R): Methodist Medical Center Of Illinois (NPI 1275583155, Peoria, IL); Proctor Health Systems (NPI 1134173917, Peoria, IL); Advocate Health And Hospitals Corp. (NPI 1295066983, Eureka, IL); Carle Health Medical Group (NPI 1154653947, Urbana, IL); Obstetrical And Gynecological Associates, Inc (NPI 1912045345, Valparaiso, IN) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** June 29, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1689049421) · Data from the CMS NPPES public registry.