CRAIN'S LIST: LARGEST PHYSICIAN ORGANIZATIONS Ranked by number of physicians Number of Number of hospital Number of Company physicians/board- inpatient managed-care Address certified admissions/ covered lives/ Type of Rank Phone; website Top executive(s) physicians outpatient visits contracts organization Physician hospital affiliations Wayne State University Physician Group Robert Frank 2,255 128,603 NA Group System, Children's Hospital of , Crittenton Hospital 1420 Stephenson Highway, Suite 437, Troy 48083 CEO NA 681,445 practice Medical Center, Receiving Hospital, DMC Surgery Hospital, Doctors' (877) 978-3627; www.wsupgdocs.org Hospital of Michigan, Garden City Hospital, Harper University Hospital, , Huron Valley-Sinai Hospital, Hutzel Women's Hospital, Karmanos Cancer Center, McLaren-Macomb, McLaren-Oakland, Oakwood 1. Healthcare System, Rehabilitation Institute of Michigan, Select Specialty Hospital, Sinai-Grace Hospital, St. Joseph Mercy Health System, St. Mary Mercy-Livonia, St. John Providence Health System, Triumph Hospital Detroit, UM Health System, Vibra Hospital of SE Detroit, others United Physicians, Inc. Michael Williams 2,232 NA NA IPA Beaumont Health System, Botsford General Hospital, Children's Hospital of 30600 Telegraph Road, Suite 4000, Bingham Farms 48025 president and NA Michigan, Crittenton Hospital and affiliates, Detroit Medical Center hospitals, (248) 593-0100; www.updoctors.com CEO and Doctor's Hospital of Michigan, Garden City Osteopathic Hospital, Henry Ford Deborah Tasich Health System, Karmanos Cancer Center, McLaren Health System, Oakland 2. Withrow Regional Hospitals, Oakwood Healthcare Inc., Select Specialty Hospitals, St. John Executive vice Providence Health System, St. Joseph Mercy Health System, St. Mary Mercy president & COO Hospital of Livonia, Triumph Hospital of Detroit, UM Hospital, others The Physician Alliance LLC Michael Madden 2,159 49,044 283,396 IPA St. John Hospital and Medical Center, Providence Hospital, Providence Park 20952 12 Mile Road, Suite 130, St. Clair Shores 48081 president and NA 1,141,784 Hospital, St. John Macomb-Oakland Hospital, St. John River District Hospital, (586) 498-3555; www.thephysicianalliance.org CEO Children's Hospital of Michigan, Detroit Receiving Hospital, Beaumont Health 3. System, Henry Ford Health System, McLaren-Macomb, Harper Hospital, Henry Ford Health System, Karmanos Cancer Institute. University of Michigan Faculty Group Practice David Spahlinger 1,850 49,599 10,945 Group University of Michigan Health System 4101 Medical Science Building I, Ann Arbor 48109-0624 senior associate NA 1,972,732 2 practice 4. (800) 211-8181; medicine.umich.edu/medschool/ dean for clinical patient-care/um-physiciansfgp affairs Henry Ford Physician Network Charles Kelly 1,700 NA NA IPA Henry Ford Health System, others. Includes 1,220 employed physicians in the 1 Ford Place, Detroit 48202 president and NA Henry Ford Medical Group. 5. (313) 874-1466; henryfordphysiciannetwork.com CEO Consortium of Independent Physician Associations Mark Casmer 1,660 NA NA IPA ProMedica Bixby Hospital, ProMedica Herrick Hospital, ProMedica Toledo 101 N. Main St., Suite 430, Ann Arbor 48104 interim president 1,660 Hospital, Hillsdale Community Health Center, Port Huron Hospital, St. Joseph 6. (734) 302-2128; www.medadvgrp.com/cipa and CEO Mercy Hospital, Oakwood Healthcare System, Henry Ford Health System, St. Mary Mercy Hospital McLaren Physician Partners Gary Wentzloff 1,587 NA NA PHO McLaren Bay Region, McLaren Bay Special Care, McLaren Central Michigan, 2701 Cambridge Court, Suite 200, Auburn Hills 48326 president and NA McLaren Greater Lansing, McLaren Orthopedic, McLaren Lapeer Region, McLaren 7. (248) 484-4928; www.McLarenpp.org CEO Clarkston, McLaren Flint, McLaren Macomb, McLaren Northern Michigan, McLaren Oakland, Karmanos DMC PHO LLC Nazmul Haque 1,000 NA NA PHO Detroit Medical Center 28411 Northwestern Highway, Suite 750, Southfield 48034 chairman 1,000 8. (248) 262-7369; www.dmcpho.com Oakwood ACO LLC William Isenstein 946 NA 109,100 PHO Oakwood Hospital-Dearborn, Oakwood Hospital-Wayne , Oakwood Hospital- 15500 Lundy Parkway, Dearborn 48126 executive director 876 17 Taylor, Oakwood Hospital-Southshore 9. (313) 253-6058; oakwoodaco.org and COO United Outstanding Physicians LLC Y.T. Hammoud 915 NA 142,000 IPA St. Mary, Henry Ford Wyandotte, St. Joseph Mercy, Oakwood Healthcare Inc., 18800 Hubbard Drive, Suite 200, Dearborn 48126 medical director 852 20 Detroit Medical Center, and hospitals designated by health plans with which UOP 10. (313) 240-9867; www.uopdocs.com and CEO physicians are contracted MedNetOne Health Solutions Ewa Matuszewski 795 NA NA IPA Crittenton Hospital and Medical Center, Henry Ford Health System, Beaumont 4986 N. Adams Road, Suite D, Rochester 48306-1416 CEO NA Health System, Mercy Memorial Monroe, McLaren Health System, St. John 11. (248) 475-4701; www.mednetone.net Providence Health System, Detroit Medical Center Olympia Medical Services PLLC Randall Bickle 545 NA NA IPA Botsford, Garden City, St. Mary-Livonia, Providence Park, St. Joseph-Ann Arbor 33300 Five Mile Road, Suite 210, Livonia 48154 president and 500 12. (313) 357-1215; www.olympiadocs.com CEO Greater Macomb PHO Jerome Finkel 525 NA NA PHO Henry Ford Macomb Hospital-Clinton Township 43421 Garfield, Suite 203, Clinton ownshipT 48038 medical director 525 13. (586) 263-2620; greatermacombpho.com Huron Valley Physicians Association PC Jack Carman 505 NA NA IPA St. Joseph Mercy Health System, Chelsea Community Hospital 2002 Hogback Road, Suite 3, Ann Arbor 48105 president NA 5 14. (734) 973-0137; www.hvpa.com Professional Medical Corp. Asif Ishaque 478 NA NA IPA , McLaren, Genesys 101 N. Main St., Suite 430, Ann Arbor 48104 president and 477 10 (517) 336-1400; www.pmcpo.com Judy Trotter 15. managing executive Oakland Southfield Physicians PC Jerome Frankel 478 NA 145,790 IPA Botsford Hospital, Children's Hospital of Michigan, Crittenton Hospital and 29200 Northwestern Highway, Suite 325, Southfield 48034 medical director 408 10 Medical Center, Doctors' Hospital of Michigan, Garden City Osteopathic Hospital, (248) 357-4048; www.ospdocs.com Harper University Hospital, Henry Ford Health System, Huron Valley Sinai 15. Hospital, Oakwood Healthcare Inc., McLaren Oakland, Sinai-Grace Hospital, St. John Providence Health System, St. Joseph Mercy Health System, St. Mary Mercy Hospital, Beaumont Health System Oakland Physicians Network Services Rodger Prong 450 NA 89,600 IPA St. Joseph Mercy Hospital Oakland, Huron Valley-Sinai DMC, Doctor's Hospital of 2360 Orchard Lake Road, Sylvan Lake 48320 executive director 438 14 Michigan, Beaumont RO, Crittendon, McLaren (248) 682-0088; www.opns.org and Bashar 17. Succar president Michigan Healthcare Professionals PC Jeffrey Margolis 317 NA NA Group Beaumont Health System, Botsford General Hospital, Crittenton Hospital, Detroit 30000 Northwestern Highway, Farmington Hills 48334-3292 president NA practice Medical Center hospitals, Garden City Hospital, West (248) 851-1430; www.mhpdoctor.com Bloomfield, Huron alley-SinaiV Hospital, McLaren Macomb, McLaren Oakland, 18. McLaren Lapeer, Doctors' Hospital of Michigan, Oakwood Healthcare Inc., Port Huron Hospital, St. John Providence Health System, St. Joseph Mercy Oakland, St. Mary Mercy Hospital Integrated Health Associates Inc. William Fileti 296 NA 72,250 Group St. Joseph Mercy Health System, University of Michigan Health System 24 Frank Lloyd Wright Drive, Lobby J2000, president and NA 605,586 11 practice 19. Ann Arbor 48106-0446 CEO (734) 747-6766; www.ihacares.com Accountable Healthcare Alliance Robert Jackson 248 NA 20,000 IPA Henry Ford Wyandotte Hospital, St. Mary Mercy-Livonia, Oakwood Hospitals, 8338 Allen Rd., Allen Park 48101 president and 240 B 8 Mercy Hospital Port Huron 20. (517) 336-1400 medical director DMC Primary Care Physicians PC Kenneth Dziuba 105 NA 8,153 IPA Detroit Receiving Hospital, Children's Hospital of Michigan, Harper-Hutzel, Sinai- 21531 Harper Ave., Suite 101, St. Clair Shores 48080 president and 98 3 Grace Hospital, St. John Providence, Beaumont Health System, Botsford Hospital, (586) 498-8922; www.dmcpcp.com Medical director Garden City Hospital, Oakwood Healthcare Inc., Henry Ford Health System, 21. Crittenton Hospital, Huron Valley Hospital, Karmanos Cancer Center, Rehabilitation Institute of Michigan Livingston Physician Organization Debbie Bernstein 84 NA NA IPA St. Joseph Mercy Livingston Hospital 620 Byron Road, Howell 48843 COO 83 22. (517) 545-6337; www.livingstonphysicians.com

This list of physician organizations encompasses physician hospital organizations and independent practice associations and is an approximate compilation of the largest such groups in Wayne, Oakland, Macomb, Washtenaw and Livingston counties. IPA = Independent practice association. PHO = Physician hospital organization. ACO = Accountable care organization. It is not a complete listing but the most comprehensive available. Unless otherwise noted, information was provided by the organizations. NA = not available. B Company estimate LIST RESEARCHED BY SONYA HILL