MS. COLLEEN A CALLAHAN RN, CRNP
NPI 1407064041
Nurse Practitioner - Family in Philadelphia, PA
About Ms. Colleen A Callahan Rn, Crnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MS. COLLEEN A CALLAHAN RN, CRNP (NPI 1407064041) is an individual family provider in Philadelphia, Pennsylvania, licensed in Pennsylvania (VP006060B) and active in the NPI registry since May 2007. 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)
Ms. Colleen A Callahan Rn, Crnp is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Colleen Callahan reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Philadelphia, PA 19104
- Reassigned Medicare billing, Pennsylvania enrollment
- 1,225 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 19104 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 7
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
PHILADELPHIA, PA 19104
PHILADELPHIA, PA 19104
PHILADELPHIA, PA 19104
PHILADELPHIA, PA 19104
PHILADELPHIA, PA 19104
PHILADELPHIA, PA 19104
PHILADELPHIA, PA 19104
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 Colleen Callahan's NPI number?
The NPI number for Colleen Callahan is 1407064041. It was assigned to this individual provider in the NPPES registry on May 18, 2007.
Where is Colleen Callahan located?
Colleen Callahan practices at 34th And Civic Center Boulevard Children's Hospital Of Phila, Division Of Oncology, Philadelphia, PA 19104. The listed phone number is (215) 590-4880.
What is Colleen Callahan's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Colleen Callahan enrolled in Medicare?
Yes. Colleen Callahan is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Colleen Callahan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Colleen Callahan reassigns Medicare benefits to Childrens Health Care Associates, Inc (Philadelphia, PA). 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 Colleen Callahan'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 Colleen Callahan was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.