Quick answers
- Does Steven Topham accept Medicare assignment?
- Medicare's clinician data says Steven Topham may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
- How many Medicare patients does Steven Topham see?
- In 2024, CMS data shows 3,863 Original Medicare patients and 6,436 services for Steven Topham. This counts Original Medicare only and measures volume, not quality.
- What is Steven Topham's NPI number?
- 1568404812. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Steven Topham, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 3,863 |
|---|---|
| Services billed to Medicare | 6,436 |
| Different services or procedures | 197 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- X-ray of chest, 1 view (71045)2,621 services
- X-ray of chest, 2 views (71046)515 services
- Ultrasound of both sides of head and neck blood flow (93880)385 services
- Ultrasound study of arm or leg veins with compression and maneuvers (93970)310 services
- Ultrasound study of one arm or leg veins with compression and maneuvers (93971)276 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure75%
- High cholesterol75%
- Arthritis56%
- Diabetes45%
- Ischemic heart disease45%
- Chronic kidney disease43%
Hospitals where Steven Topham works
Medicare's Facility Affiliation Data lists Steven Topham at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Centennial Hills Hospital Medical CenterLas Vegas, NV · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 290054
- Henderson HospitalHenderson, NV · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 290057
- Mountainview HospitalLas Vegas, NV · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 290039
- Spring Valley Hospital Medical CenterLas Vegas, NV · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 290046
- Summerlin Hospital Medical CenterLas Vegas, NV · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 290041
Practice locations
Addresses where Steven Topham is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 7; the Medicare profile lists all.
- 1024 Central Park DrSteamboat Spr, CO 80487 (970) 879‑1322
- 2020 Palomino Ln, Suite 100Las Vegas, NV 89106 (702) 759‑8600
- 3100 N Tenaya WayLas Vegas, NV 89128 (702) 962‑7770
- 3186 S Maryland PkwyLas Vegas, NV 89109 (702) 962‑7770
- 5400 S Rainbow BlvdLas Vegas, NV 89118 (702) 853‑3000
Group practices
Medicare enrollment lists Steven Topham as a member of these groups (CMS data updated October 2, 2026).
- Radiology Specialists Ltd Marasso-Miller159 clinicians in the group
- Yampa Valley Medical Center131 clinicians in the group
- Ellis Bandt Birkin Kollins and Wong PLLC67 clinicians in the group
- Shelin Agrawal and Hyer PLLC61 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in Steamboat Spr
Clinicians with the same Medicare primary specialty in Steamboat Spr, CO — not a recommendation.
Other clinicians in Radiology Specialists Ltd Marasso-Miller
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of California, Davis School Of Medicine |
| Graduation year | 1993 (33 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1568404812 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians