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Ranked listRefreshed monthly

The 10 largest medical groups in Nevada by practice locations

SGMF Radiology has the most practice locations of any medical group in Nevada, 307, followed by Radiology Specialists Ltd Marasso-Miller in Las Vegas (105) and Intermountain Health in Las Vegas (63). Together the 10 leaders hold 803 locations in three cities.

Updated Practice locations on file for each groupHow we ranked

Rank by
Location
Nevada
  1. SGMF RadiologyLas Vegas · Multi-specialty307locations2,344physicians
  2. Radiology Specialists Ltd Marasso-MillerLas Vegas · Radiology and Imaging105locations183physicians
  3. Intermountain HealthLas Vegas · Primary Care63locations354physicians
  4. University Medical Center of Southern Nevada (UMC)Las Vegas · Multi-specialty49locations416physicians
  5. Desert RadiologyLas Vegas · Radiology and Imaging46locations300physicians
  6. Southwest Medical AssociatesLas Vegas · Multi-specialty45locations363physicians
  7. Renown HealthReno · Multi-specialty42locations519physicians
  8. Desert RadiologyLas Vegas · Radiology and Imaging41locations213physicians
  9. Southwest Medical AssociatesLas Vegas · Multi-specialty37locations407physicians
  10. Nevada Health CentersCarson City · Multi-specialty34locations32physicians

The 10 highest of 1,409 Nevada medical groups that report practice locations. Ranks compare size, not quality of care.

Every medical group in Nevada

The 10 top Nevada medical groups hold 19% of all practice locations

1,409 Nevada medical groups report practice locations, 4,161 practice locations in all. The 10 on this list hold 803 of it. The median medical group has 1 location, so SGMF Radiology is about 307 times that size.

of all practice locations at Nevada medical groups that report them
19%
the size of the median Nevada medical group, which has 1 location
307×
of the 1,409 Nevada medical groups that report practice locations
0.7%

How we ranked the top Nevada medical groups

Measure
Practice locations on file for each group.
What counts as a group
One Medicare PAC ID. A group that bills under several names counts once.
Field
1,409 Nevada medical groups in the Dmand AI database report practice locations.
Ties
Medical groups with the same number share a rank, so this list has 11 entries.
What a rank means
Size only. A rank compares practice locations; it says nothing about quality of care.
Refresh
Monthly. Updated Oct 28, 2026.

FAQ

Questions about the top Nevada medical groups

Answers from the same data, updated monthly.

Which Nevada medical group has the most practice locations?

SGMF Radiology in Las Vegas, with 307 locations. Radiology Specialists Ltd Marasso-Miller is second with 105.

What are the top 10 Nevada medical groups by practice locations?

SGMF Radiology (307), Radiology Specialists Ltd Marasso-Miller (105), Intermountain Health (63), University Medical Center of Southern Nevada (UMC) (49), Desert Radiology (46), Southwest Medical Associates (45), Renown Health (42), Desert Radiology (41), Southwest Medical Associates (37), Nevada Health Centers (34).

How many practice locations does a typical Nevada medical group have?

The median Nevada medical group that reports practice locations has 1 location, out of 1,409 that report them.

How often is this list updated?

Every month, when the Dmand AI database refreshes. This version is from Oct 28, 2026.

More ranked lists

Every ranked list

  • Ranked list

    The 10 largest medical groups in the US by practice locations

    The national ranking by practice locations.

  • Ranked list

    The 10 largest hospitals in Nevada

    Hospitals in Nevada ranked by staffed beds.

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