AMY L. CALLAGHAN DO
NPI 1215924964
Internal Medicine in Sioux City, IA
About Amy L. Callaghan Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
AMY L. CALLAGHAN DO (NPI 1215924964) is an individual internal medicine provider in Sioux City, Iowa, licensed in Iowa (3086) and active in the NPI registry since September 2005. She is enrolled in Medicare PECOS.
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 (PECOS)
Amy L. Callaghan Do is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Amy Callaghan reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Sioux City, IA 51104
- Reassigned Medicare billing, Iowa enrollment
- 281 clinicians in this Medicare group
Fort Dodge, IA 50501
- Reassigned Medicare billing, Iowa enrollment
- 387 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 51101 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 2
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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 Amy Callaghan's NPI number?
The NPI number for Amy Callaghan is 1215924964. It was assigned to this individual provider in the NPPES registry on September 27, 2005.
Where is Amy Callaghan located?
Amy Callaghan practices at 624 Jones Street Suite 5400, Sioux City, IA 51101. The listed phone number is (515) 279-2510.
What is Amy Callaghan's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Amy Callaghan enrolled in Medicare?
Yes. Amy Callaghan is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Amy Callaghan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Amy Callaghan reassigns Medicare benefits to 2 organizations: Northwest Iowa Hospital Corporation (Sioux City, IA) and Trinity Regional Medical Center (Fort Dodge, IA). 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 Amy Callaghan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Amy Callaghan accept?
Health plans from Oscar Insurance Company and Wellmark Health Plan of Iowa, Inc. list Amy Callaghan 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 Amy Callaghan was last updated on August 27, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.