WATERLOO EMERGENCY PHYSICIANS, LLC
NPI 1649013038
Emergency Medicine in Waterloo, IA
About Waterloo Emergency Physicians, Llc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
WATERLOO EMERGENCY PHYSICIANS, LLC (NPI 1649013038) is a healthcare organization registered as an emergency medicine in Waterloo, Iowa and active in the NPI registry since June 2024. The organization lists Kim Larsen, Director Of Credentialing, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Group Practice 1
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Waterloo Emergency Physicians, Llc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
48Medicare enrollment records show 48 clinicians reassign Medicare billing to Waterloo Emergency Physicians, LLC, which bills Medicare for the services they deliver. Of these, 8 practice at this address and 9 within 10 miles. Listed here are the 20 practicing nearest to this location.
Clinicians by Medicare Specialty 5
Nearest to this location (20)
See all 48Waterloo, IA 50702
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
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 Waterloo Emergency Physicians, LLC's NPI number?
The NPI number for Waterloo Emergency Physicians, LLC is 1649013038. It was assigned to this organization in the NPPES registry on June 14, 2024.
Where is Waterloo Emergency Physicians, LLC located?
Waterloo Emergency Physicians, LLC is located at 3421 W 9th St, Waterloo, IA 50702. The listed phone number is (319) 272-8000.
What is Waterloo Emergency Physicians, LLC's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Waterloo Emergency Physicians, LLC enrolled in Medicare?
Yes. Waterloo Emergency Physicians, LLC is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Waterloo Emergency Physicians, LLC?
According to the CMS Revalidation Reassignment List (October 2026 release), 48 clinicians in 5 Medicare specialties reassign their Medicare billing to Waterloo Emergency Physicians, LLC. A 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 the clinician's services. The largest specialties are Emergency Medicine (25), Nurse Practitioner (14) and Family Practice (7). Of these, 8 practice at this address and 9 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for Waterloo Emergency Physicians, LLC was last updated on August 14, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Waterloo Emergency Physicians, Llc · NPI 1649013038
Emergency Medicine organization in Waterloo, Iowa. Organization record, active in the CMS NPPES registry since June 14, 2024.
## Identity
- **NPI:** 1649013038 (Entity type: Organization)
- **Enumerated:** June 14, 2024
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **Organization subpart:** No
- **Authorized official:** Kim Larsen, DIRECTOR OF CREDENTIALING
## Practice location
- **Address:** 3421 W 9TH ST, Waterloo, IA 50702-5401
- **Phone:** (319) 272-8000
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 48 clinicians in 5 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Emergency Medicine (25), Nurse Practitioner (14), Family Practice (7); 8 practice at this address and 9 within 10 miles; [full list](https://npiprofile.com/npi/1649013038/clinicians) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** August 14, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1649013038) · Data from the CMS NPPES public registry.