STEVEN TOPHAM MD
NPI 1568404812
Radiology - Diagnostic Radiology in Las Vegas, NV
About Steven Topham Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
STEVEN TOPHAM MD (NPI 1568404812) is an individual diagnostic radiology provider in Las Vegas, Nevada, licensed in Nevada (8952) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS, is affiliated with Mountainview Hospital, and is a graduate of University Of California, Davis School Of Medicine (1993).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 7
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)
Steven Topham Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
6Medicare enrollment records show Steven Topham reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Las Vegas, NV 89109
- Reassigned Medicare billing, Nevada enrollment
- 125 clinicians in this Medicare group
Las Vegas, NV 89128
- Reassigned Medicare billing, Nevada enrollment
- 134 clinicians in this Medicare group
Las Vegas, NV 89128
- Reassigned Medicare billing, Nevada enrollment
- 608 clinicians in this Medicare group
Las Vegas, NV 89144
- Reassigned Medicare billing, Nevada enrollment
- 118 clinicians in this Medicare group
Grand Junction, CO 81501
- Reassigned Medicare billing, Colorado and Nevada enrollments
- 99 clinicians in this Medicare group
Craig, CO 81625
- Reassigned Medicare billing, Colorado enrollment
- 181 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.
Areas of Expertise CMS Part B claims 47
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Mountainview Hospital
Acute Care Hospitals · Las Vegas, NVSummerlin Hospital Medical Center
Acute Care Hospitals · Las Vegas, NVSpring Valley Hospital Medical Center
Acute Care Hospitals · Las Vegas, NVCentennial Hills Hospital Medical Center
Acute Care Hospitals · Las Vegas, NVHenderson Hospital
Acute Care Hospitals · Henderson, NVPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 89106 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Reported Quality Measures
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
LAS VEGAS, NV 89106
LAS VEGAS, NV 89106
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 Steven Topham's NPI number?
The NPI number for Steven Topham is 1568404812. It was assigned to this individual provider in the NPPES registry on June 12, 2006.
Where is Steven Topham located?
Steven Topham practices at 2020 Palomino Ln Suite 100, Las Vegas, NV 89106. The listed phone number is (702) 759-8600.
What is Steven Topham's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.
Is Steven Topham enrolled in Medicare?
Yes. Steven Topham is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Steven Topham's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Steven Topham reassigns Medicare benefits to 6 organizations: Radiology Specialists Ltd Marasso-Miller (Las Vegas, NV), Ellis Bandt Birkin Kollins & Wong PLLC (Las Vegas, NV), Optum Medical Group II Rhodes P C (Las Vegas, NV), Shelin Agrawal And Hyer PLLC (Las Vegas, NV), Mountain Radiology, Inc (Grand Junction, CO) and 1 more organization, listed in the Medicare section above. 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 Steven Topham's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Steven Topham accept?
Health plans from Select Health list Steven Topham 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.
Is Steven Topham affiliated with any hospitals?
According to CMS data, Steven Topham is affiliated with Mountainview Hospital, Summerlin Hospital Medical Center, Spring Valley Hospital Medical Center, Centennial Hills Hospital Medical Center and Henderson Hospital.
When was this NPI record last updated?
The NPPES record for Steven Topham was last updated on June 27, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.