Ranked listRefreshed monthly

The 10 largest medical groups in Pennsylvania by practice locations

Select Physical Therapy has the most practice locations of any medical group in Pennsylvania, 509, followed by University of Pittsburgh Physicians, Department of Radiology in Pittsburgh (503) and Phoenix Physical Therapy in State College (450). Together the 10 leaders hold 3,584 locations in nine cities.

Updated Practice locations on file for each groupHow we ranked

  1. Select Physical TherapyMechanicsburg · Multi-specialty509locations1,013physicians
  2. University of Pittsburgh Physicians, Department of RadiologyPittsburgh · Multi-specialty503locations4,597physicians
  3. Phoenix Physical TherapyState College · Multi-specialty450locations1,715physicians
  4. St. Luke's South Mountain Family PracticeBethlehem · Multi-specialty384locations2,107physicians
  5. GeisingerDanville · Multi-specialty371locations3,409physicians
  6. Stull, Jarvis, and Spinola Internal Medicine Associates-UPMCPittsburgh · Multi-specialty288locations818physicians
  7. Penn Medicine Lancaster General HealthLancaster · Multi-specialty282locations3,476physicians
  8. WellSpan Digestive HealthYork · Multi-specialty281locations2,035physicians
  9. Lehigh Valley Physician Group (LVPG)Allentown · Multi-specialty272locations1,985physicians
  10. UPMC Pinnacle Health SystemsHarrisburg · Multi-specialty244locations1,276physicians

The 10 highest of 3,715 Pennsylvania medical groups that report practice locations. Ranks compare size, not quality of care.

Every medical group in Pennsylvania

The 10 top Pennsylvania medical groups hold 18% of all practice locations

3,715 Pennsylvania medical groups report practice locations, 20,163 practice locations in all. The 10 on this list hold 3,584 of it. The median medical group has 1 location, so Select Physical Therapy is about 509 times that size.

of all practice locations at Pennsylvania medical groups that report them
18%
the size of the median Pennsylvania medical group, which has 1 location
509×
of the 3,715 Pennsylvania medical groups that report practice locations
0.3%

How we ranked the top Pennsylvania 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
3,715 Pennsylvania medical groups in the Dmand AI database report practice locations.
Ties
Medical groups with the same number share a rank.
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 Pennsylvania medical groups

Answers from the same data, updated monthly.

Which Pennsylvania medical group has the most practice locations?

Select Physical Therapy in Mechanicsburg, with 509 locations. University of Pittsburgh Physicians, Department of Radiology is second with 503.

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

Select Physical Therapy (509), University of Pittsburgh Physicians, Department of Radiology (503), Phoenix Physical Therapy (450), St. Luke's South Mountain Family Practice (384), Geisinger (371), Stull, Jarvis, and Spinola Internal Medicine Associates-UPMC (288), Penn Medicine Lancaster General Health (282), WellSpan Digestive Health (281), Lehigh Valley Physician Group (LVPG) (272), UPMC Pinnacle Health Systems (244).

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

The median Pennsylvania medical group that reports practice locations has 1 location, out of 3,715 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 Pennsylvania

    Hospitals in Pennsylvania ranked by staffed beds.

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