KAREN CALLAN CPNP
NPI 1447681259
Nurse Practitioner - Pediatrics in Chicago, IL
About Karen Callan Cpnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KAREN CALLAN CPNP (NPI 1447681259) is an individual pediatrics provider in Chicago, Illinois, licensed in Illinois (209010844) and active in the NPI registry since December 2013. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Karen Callan Cpnp is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Karen Callan reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Chicago, IL 60647
- Reassigned Medicare billing, Illinois enrollment
- 18 clinicians in this Medicare group
Chicago, IL 60611
- Reassigned Medicare billing, Illinois enrollment
- 826 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 60647 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 Karen Callan's NPI number?
The NPI number for Karen Callan is 1447681259. It was assigned to this individual provider in the NPPES registry on December 4, 2013.
Where is Karen Callan located?
Karen Callan practices at 3600 W Fullerton Ave, Chicago, IL 60647. The listed phone number is (773) 782-2800.
What is Karen Callan's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Pediatrics, with taxonomy code 363LP0200X.
Is Karen Callan enrolled in Medicare?
Yes. Karen Callan is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Karen Callan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Karen Callan reassigns Medicare benefits to 2 organizations: Infant Welfare Society Of Chicago (Chicago, IL) and Lurie Children's Medical Group Inc (Chicago, IL). 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 Callan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Karen Callan was last updated on September 30, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.
# Karen Callan, CPNP · NPI 1447681259
Pediatrics physician in Chicago, Illinois. Individual provider, active in the CMS NPPES registry since December 4, 2013.
## Identity
- **NPI:** 1447681259 (Entity type: Individual)
- **Enumerated:** December 4, 2013
- **Primary specialty:** Nurse Practitioner - Pediatrics · taxonomy 363LP0200X
- **State license:** 209010844 (Illinois)
- **Sole proprietor:** No
## Practice location
- **Address:** 3600 W FULLERTON AVE, Chicago, IL 60647-2319
- **Phone:** (773) 782-2800
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Infant Welfare Society Of Chicago (NPI 1497872543, Chicago, IL); Lurie Children's Medical Group Inc (NPI 1518064716, Chicago, IL) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** September 30, 2014
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Source: [NPI Profile](https://npiprofile.com/npi/1447681259) · Data from the CMS NPPES public registry.