SOUTHWEST INTERNAL MEDICINE, P. C.
NPI 1043204118
Internal Medicine in St George, UT
About Southwest Internal Medicine, P. C. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SOUTHWEST INTERNAL MEDICINE, P. C. (NPI 1043204118) is a healthcare organization registered as an internal medicine in St George, Utah and active in the NPI registry since September 2005. The organization holds a CLIA Waiver certificate valid through August 13, 2028 and lists Daniel Bailey Madsen, President, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Group Practice 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, revalidation and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Southwest Internal Medicine, P. C. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Revalidation Due Date
Revalidation due by January 31, 2027
Medicare-enrolled providers and suppliers confirm their enrollment information with CMS on a set cycle, every 5 years for most and every 3 years for medical equipment suppliers. CMS sets the due date for each enrollment.
Clinicians Billing Medicare Through This Organization
3Medicare enrollment records show 3 clinicians reassign Medicare billing to Southwest Internal Medicine, P. C., which bills Medicare for the services they deliver. Of these, 3 practice within 10 miles. They are listed nearest first.
Clinicians, nearest first (3)
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
CLIA Laboratory Certificates CMS CLIA
Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.
Certificate of Waiver 46D0944495
Southwest Internal Medicine · St George, UTFrequently 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 Southwest Internal Medicine, P. C.'s NPI number?
The NPI number for Southwest Internal Medicine, P. C. is 1043204118. It was assigned to this organization in the NPPES registry on September 6, 2005.
Where is Southwest Internal Medicine, P. C. located?
Southwest Internal Medicine, P. C. is located at 736 S 900 E Suite 104, St George, UT 84790. The listed phone number is (435) 628-9200.
What is Southwest Internal Medicine, P. C.'s specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Southwest Internal Medicine, P. C. enrolled in Medicare?
Yes. Southwest Internal Medicine, P. C. is registered in the Medicare PECOS enrollment system.
When is Southwest Internal Medicine, P. C.'s Medicare revalidation due?
According to the CMS Revalidation Due Date List (October 2026 release), the Medicare Non-DME Part B enrollment for this organization (Utah, Clinic/Group Practice) is due for revalidation by January 31, 2027. Medicare providers and suppliers revalidate their enrollment every 5 years, and medical equipment suppliers every 3 years. Confirm current requirements with your Medicare Administrative Contractor.
How many clinicians bill Medicare through Southwest Internal Medicine, P. C.?
According to the CMS Revalidation Reassignment List (October 2026 release), 3 clinicians, all in Internal Medicine, reassign their Medicare billing to Southwest Internal Medicine, P. C.. 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. Of these, 3 practice within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Does Southwest Internal Medicine, P. C. hold a CLIA laboratory certificate?
Yes. A Certificate of Waiver (number 46D0944495) is associated with this NPI, valid through August 13, 2028. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.
What insurance does Southwest Internal Medicine, P. C. accept?
Health plans from University of Utah Health Plans list Southwest Internal Medicine, P. C. 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 Southwest Internal Medicine, P. C. was last updated on September 27, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.
# Southwest Internal Medicine, P. C. · NPI 1043204118
Internal Medicine organization in St George, Utah. Organization record, active in the CMS NPPES registry since September 6, 2005.
## Identity
- **NPI:** 1043204118 (Entity type: Organization)
- **Enumerated:** September 6, 2005
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **Organization subpart:** No
- **Authorized official:** Daniel Madsen, PRESIDENT
## Practice location
- **Address:** 736 S 900 E, SUITE 104, St George, UT 84790-7000
- **Phone:** (435) 628-9200 · **Fax:** (435) 674-5763
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Medicare revalidation due:** January 31, 2027 (Non-DME Part B, Utah, Clinic/Group Practice) · CMS Revalidation Due Date List, October 2026 release
- **Clinicians billing through this organization:** 3 clinicians (Internal Medicine) reassign Medicare billing to this organization (form CMS-855R); 3 practice within 10 miles · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** September 27, 2012
- **Other identifiers:** Medicare ID-Type Unspecified 0055972 (UT)
- **CLIA laboratory certificates:** 1 on file
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Source: [NPI Profile](https://npiprofile.com/npi/1043204118) · Data from the CMS NPPES public registry.