Table 1

Characteristics of the 5 Primary Care Groups

CharacteristicArizona Community PhysiciansCentral Ohio Primary Care PhysiciansInfinity Primary Care PhysiciansNew West PhysiciansProHealth Physicians
Year started19941996200419941997
Physicians, No.1302554965242
Physicians as owners, %9183608175
Physicians in primary care,a %88691008295
General internal medicine physicians, %3231333131
Family medicine physicians, %4520675129
Geriatricians, %00000
Hospitalists, %0220140
Pediatricians, %12180035
Outpatient practice sites, No.545391790
Other specialtiesDermatology, endocrinology, gynecology, pediatrics, rheumatologyAllergy, endocrinology, infectious disease, pediatrics, physical medicine and rehabilitationNoneCardiology, gastroenterology, psychiatryGastroenterology, otolaryngology, neurology, pediatrics, plastic surgery
Nurse practitioners and physician assistants, No.3625127142
Nurse care managers, No.16266
NCQA PCMH sites, No.444441771
Ancillary servicesLaboratory
Imaging, including bone density test, CT, MRI, mammography, ultrasound
Imaging, including bone density, CT, MRI, nuclear stress tests, and stress echocardiograms, ultrasound, physical therapy
Imaging, including bone density test, CT, nuclear stress tests and stress echocardiogram, ultrasound
Imaging, including bone density test, CMIT, stress echocardiogram, ultrasound
Imaging, including ultrasound, echocardiogram, bone density test
Annual revenue, in millions, $95.8122.022.552158.9
Gross revenue from payors Commercial, %5362717868
 Traditional Medicare, %222017013
 Traditional Medicaid/SCHIP, %0.331<110
 Medicare Advantage, %1786224
 Medicaid HMOs, %40300
 Other, %47203
Patients in risk contracts
 Medicare Shared Savings or Pioneer, No.26,382b05,044c032,858
 Medicare Advantage, No.20,00020,0004,13013,00010,500
 Medicaid ACO, No.00000
 Other form of risk for patient care, including ACO-like or pay-for-performance contracts with health insurers, No.15,000160,00037,98450,000109,300
Participate in an IPANoNoYesNoNo
Physician compensation Base salary, %000600
 Productivity, %10090902090
 Other,d %010102010
  • ACO = accountable care organization; CMIT = carotid intima-media thickness test; CT = computed tomography; HMO = health maintenance organization; IPA = independent practice association; MRI = magnetic resonance imaging; NCQA = National Committee for Quality Assurance; PCMH = patient-centered medical home; SCHIP = State Children’s Health Insurance Program.

  • Note: Information for 2014 provided in writing by the 5 medical groups.

  • a Includes family practitioners, general internists, geriatricians, and general pediatricians. Does not include hospitalists.

  • b Through the Commonwealth Primary Care ACO.

  • c Through the Physician Organization of Michigan ACO.

  • d Components include quality, cost control, panel size, patient satisfaction, other.