Ramon Tallaj M.D.

Chairman of the Board

  • Size – over 1200 physician members and over 300,000 patients
  • Longevity – began in 1999
  • Model-
  • Degree of physician involvement --Owned and managed by practicing community providers
  • Degree of shared risk contracts  ..
  • Accepting new members-- yes

For enrollments packets, physicians should call 1-877-MD-CMIPA.

Corinthian Medical IPA has contracts with the following Managed Care and Commercial insurance plans. Member physicians can request to participate in any or all of the contracts.

  • Access Medicare NY
  • Affinity Health Plan
  • Alfa Care
  • Amerigroup
  • Elder Plan
  • Empire
  • Fidelis Care
  • Health First
  • Hip
  • Metro Plus
  • United Health Providers
  • VNSWellCare

The IPA handles contract negotiations with insurers and managed care organizations, and provides a professional managed infrastructure, guidance and direction to improve physician practices,


Catholic Medical Partners

Michael Edbauer, DO –


  • Size -- -986 Physician Members
  • Longevity – Established in 1996
  • Messenger model vs Clinically vs Financially integrated - Clinical
  • Degree of physician involvement -  almost totally physician led;  CEO as of 1/1/16 is a physician; All Committees are chaired by a physician, with physician volunteers/appointees
  • Degree of shared-risk contracts – Approximately 50%
  • Willingness to accept new members – Open/accepting


GRIPA (Greater Rochester IPA)

Administrator-Joseph Vasile MD (a member) Dr. Vasile can be reached at joseph.vasile@rochesterregional.org.

  • Size-1231 physicians belong to GRIPA
  • Longevity-GRIPA was formed in 1996 and is associated with Rochester Regional Health
  • Model-GRIPA is clinically integrated
    Degree of physician involvement- works closely with the Rochester General Physician Organization. GRIPA also participates on several MCMC Committees including the MCMS Quality Collaborative.
  • Degree of shared risk contracts- All contracts are believed to include shared-risk.  Needs confirmation.
  • Accepting new members…as long as they are not part of the other IPA in town… Administrator-

AHP (Accountable Health Partners)

Administrator-Robert McCann MD (a member) Dr. McCann can be reached at robert_mccann@urmc.rochester.edu.

  • Size 1800 physicians.
  • Longevity-formed in 2013
  • Model-Clinically integrated
  • Degree of physician involvement-physician board comprised of independent and employed physicians. AHP participates on several MCMS Committees including the MCMS Quality Collaborative.
  • Degree of shared risk contracts.  All contracts are believed to be shared risk..
  • Accepting new members-Specialists-it depends. They have started to turn physicians down. PCP-as long as they are not members of the other IPA in town.

A group of nursing homes in Monroe is also seriously considering forming an IPA.


The IPA of Nassau Suffolk Counties, Inc.

Frank DiMotta, COO, CHCO

1092 Jericho Turnpike

Commack, NY 11725

P: 631.698.1900

F: 631.698.2100


  • Not for Profit,
  • Size- 800+ members (200 PCPs),
  • Longevity- Established in 2011
  • Model- Messenger Model
  • Degree of physician involvement-
  • Degree of shared risk contracts..
  • Accepting new members.
  • Dues for PCPs -- $0.00
  • Dues for Specialists -- $3,000.00; Multi-provider group discounts available
    • BC/BS with shared savings
    • Aetna
  • GPO – Savings
  • Medical Malpractice Insurance Savings
  • Two enhanced contracts:
  • Managed by "Practice Management of America" (a management service organization owned & operated entirely by physician members of the IPA)


Hudson Doctors IPA and WMSO LLC

Anthony G. Demetracopoulos, MBA/JD

Executive Director and General Counsel

22 Saw Mill River Road 3rd Floor South

PO Box 488

Hawthorne, NY 10532

914 372 7010

914 837 5670 (cell)


  • Size  approximately 870 providers, including about 22 mid-level and 17 other non-MD providers.
  • Longevity - In business for 20 years; started in September 1996
  • Messenger model vs Clinically vs Financially integrated – Messenger Model
  • Degree of physician involvement - All Officers are Physicians, 10 are Board Members and 6 are on the Credentials Committee.
  • Degree of shared-risk contracts  None, one in process of development
  • Accepting new members