RADIOLOGY SPECIALISTS LTD MARASSO-MILLER
NPI 1437196979
Radiology - Diagnostic Radiology in Las Vegas, NV
About Radiology Specialists Ltd Marasso-miller NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
RADIOLOGY SPECIALISTS LTD MARASSO-MILLER (NPI 1437196979) is a healthcare organization registered as a diagnostic radiology in Las Vegas, Nevada and active in the NPI registry since June 2006. The organization lists Karen Marie Vaughn, Ao, as its authorized official.
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 2
Group Practice 1
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)
Radiology Specialists Ltd Marasso-miller is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Revalidation Due Date
Revalidation due by October 31, 2026
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
217Medicare enrollment records show 217 clinicians reassign Medicare billing to Radiology Specialists Ltd Marasso-Miller, which bills Medicare for the services they deliver. Of these, 1 practice at this address and 53 within 10 miles. Listed here are the 20 practicing nearest to this location.
Clinicians by Medicare Specialty 4
Nearest to this location (20)
See all 217Source: 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 Radiology Specialists Ltd Marasso-Miller's NPI number?
The NPI number for Radiology Specialists Ltd Marasso-Miller is 1437196979. It was assigned to this organization in the NPPES registry on June 1, 2006.
Where is Radiology Specialists Ltd Marasso-Miller located?
Radiology Specialists Ltd Marasso-Miller is located at 3186 S Maryland Pkwy, Las Vegas, NV 89109. The listed phone number is (702) 961-5000.
What is Radiology Specialists Ltd Marasso-Miller's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.
Is Radiology Specialists Ltd Marasso-Miller enrolled in Medicare?
Yes. Radiology Specialists Ltd Marasso-Miller is registered in the Medicare PECOS enrollment system.
When is Radiology Specialists Ltd Marasso-Miller'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 (Wisconsin, Clinic/Group Practice) is due for revalidation by October 31, 2026. 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 Radiology Specialists Ltd Marasso-Miller?
According to the CMS Revalidation Reassignment List (October 2026 release), 217 clinicians in 4 Medicare specialties reassign their Medicare billing to Radiology Specialists Ltd Marasso-Miller. 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 Diagnostic Radiology (212), Interventional Radiology (3) and Preventive Medicine (1). Of these, 1 practice at this address and 53 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 Radiology Specialists Ltd Marasso-Miller was last updated on May 7, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.
# Radiology Specialists Ltd Marasso-Miller · NPI 1437196979
Diagnostic Radiology organization in Las Vegas, Nevada. Organization record, active in the CMS NPPES registry since June 1, 2006.
## Identity
- **NPI:** 1437196979 (Entity type: Organization)
- **Enumerated:** June 1, 2006
- **Primary specialty:** Radiology - Diagnostic Radiology · taxonomy 2085R0202X
- **Organization subpart:** No
- **Authorized official:** Karen Vaughn, AO
## Practice location
- **Address:** 3186 S MARYLAND PKWY, Las Vegas, NV 89109-2317
- **Phone:** (702) 961-5000
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Medicare revalidation due:** October 31, 2026 (Non-DME Part B, Wisconsin, Clinic/Group Practice) · CMS Revalidation Due Date List, October 2026 release
- **Clinicians billing through this organization:** 217 clinicians in 4 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Diagnostic Radiology (212), Interventional Radiology (3), Preventive Medicine (1); 1 practice at this address and 53 within 10 miles; [full list](https://npiprofile.com/npi/1437196979/clinicians) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** May 7, 2026
- **Other identifiers:** Medicaid 200290200 (NV); Other NV3237 (NV)
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Source: [NPI Profile](https://npiprofile.com/npi/1437196979) · Data from the CMS NPPES public registry.