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Strategic Contracting Services

Contracting Services

Bob Karcher, Senior Vice President
(212) 258-5307 |

Mr. Bob Karcher joined GNYHA Services in December 2006 and serves as the Senior Vice President of Strategic Contracting. He has applied his 30 years of experience in hospital supply chain management to developing new and enhanced contract relationships for the GNYHA Services portfolio. Prior to signing on, Mr. Karcher was the supply chain executive at The Mount Sinai Hospital, where his 24-year career included not only supply chain management, but administration of many support departments, including sterile processing, housekeeping, patient transport, food services, clinical engineering and pharmacy.  He served as the supply chain executive during the five-year merger of the Mount Sinai and NYU systems, where he integrated contract portfolios, logistics and information systems across the five-hospital IDN. Mr. Karcher’s first post-graduate career was as an adjunct lecturer of English at CCNY.  In 1976, Mr. Karcher left teaching to begin a 30-year career in hospital supply chain operations at Lutheran Medical Center, Brooklyn where he first encountered GNYHA as a representative to the Purchasing Committee.

Anthony Bertuch, Assistant Vice President, Contracting Services
(212) 258-5358 |

Mr. Tony Bertuch joined GNYHA Services in 2004. Mr. Bertuch is responsible for the day to day operations of GNYHA Services’ Regional Contracting Program. Prior to joining GNYHA Services, Mr. Bertuch was Assistant Vice President, Regional Network Operations at Joint Purchasing Corporation, where he managed a program of customized contracting services for a select group of clients. Prior to that Mr. Bertuch was Purchasing Director at Our Lady of Mercy Healthcare System. Mr. Bertuch is a Certified Purchasing Manager and holds an undergraduate degree from SUNY Alfred.

Michele Chotkowski, Director of Clinical Contracting
(212) 506-5537 |

Ms. Chotkowski joined GNYHA Services in 2008. She is a healthcare executive with extensive experience in surgical services and ambulatory operational leadership and management. Ms. Chotkowski has served in multiple leadership positions and committees in the private and public sector at the university, community, and system level. Most recently, she served as Executive Director of Perioperative and ICU Services at the North Shore–Long Island Jewish Medical Center. In her administrative practice, she demonstrated expertise in the creation of physician alignment in surgical service line product choices, project development and implementation, space redesign and work process flow, physician recruitment to elevate best practice standards and response to patient population needs, quality initiatives, creation of flexible budgets, and leadership mentorship to align organizational and divisional goals. Ms. Chotkowski earned a BS in Nursing at the Hunter-Bellevue School of Nursing in New York City, as well as an MS in Health Care Administration from Hunter College. Ms. Chotkowski is a member of the American Organization of Nurse Executives, Greater New York Chapter.

Jeff Roberson Jr., Director, Support Services Contracting
(212) 259-5108 |

Mr. Jeff Roberson Jr. joined GNYHA Services in September 2016 and serves as Director of Support Services Contracting, with a focus on facilities and construction services. Mr. Roberson has over 20 years of experience in procurement and supply chain management. Prior to joining GNYHA Services, he worked as a Purchasing Manager for Cushman & Wakefield, with New York Presbyterian Hospital as a client. Mr. Roberson provided procurement and sourcing expertise in maintaining the repairs & maintenance and capital expenditures for the hospital’s 2,400 residential apartments. Mr. Roberson has strong ties with Rutgers University, his alma mater, where he worked for over three years in the University Procurement Services Department as the Senior Buyer for the Rutgers University Facilities and Capital Planning Department. In this role, he was responsible for procuring all goods and services for the department and played an instrumental role in the merger of the University Medicine & Dentistry of New Jersey and Rutgers Housing & Facilities Services departments. Mr. Roberson received both his BS degree in Accounting and MBA degree in Supply Chain Management from Rutgers. He spent the majority of his career with Prudential Financial in a variety of management roles in the payroll services, corporate real estate, and purchasing departments. Mr. Roberson began his career in the U.S. Air Force and Air National Guard, where he spent five years as an Inventory Management Specialist.

Diagnostic Services

Praful Shah, Vice President, Diagnostic Services
(212) 258-5386 |

Mr. Praful Shah has worked with GNYHA Services since 2004. Mr. Shah is responsible for all of the clinical diagnostic contracting and service offerings for the laboratory and radiology programs. He also represents GNYHA Services member’s interest on a national basis with Premier’s Laboratory Committee. Prior to joining GNYHA Services, Mr. Shah held dual positions of Vice President of Ancillary Services and Vice President of E-Commerce for Joint Purchasing Corporation, a regional group purchasing organization. There, he developed, established, and branded these service offerings to acute and alternate care members. Prior to that, Mr. Shah was the Director of Ancillary Services at Mount Kisco Medical Group, P.C., a large multi-specialty, multi-site physician group practice, where he operated an extremely profitable laboratory and radiology service. Mr. Shah earned his BS from Gujarat University and his DMT from KM School of Post Graduate in India.

Michelle Pollack, RN, Assistant Vice President
(917) 232-8412 |

A part of the GNYHA Services team since 2007, Ms. Michelle Pollack, RN, works with several of our Integrated Delivery Network members to help them maximize their GNYHA Services/Premier contracts and benefits, and provide ongoing supply chain strategy support. Ms. Pollack also develops imaging programs to bring value to members and contract suppliers such as technology updates, educational programs, and quote analysis. Prior to her current position, Ms. Pollack worked in imaging for 15 years, first as a magnetic resonance sales specialist with GE Healthcare, then as a Toshiba America Medical Systems CT sales specialist. Prior to that, Ms. Pollack, a registered nurse, brings 10 years experience as a nurse manager at the Memorial Sloan Kettering Cancer Center. Ms. Pollack earned a BS in nursing from New York University.

Technology Services

Martin Glick, Vice President
(212) 258-5324 |

Mr. Martin Glick joined GNYHA Services in 2006. Mr. Glick’s is responsible for providing the information and analytics necessary to support the GNYHA Services regional contracting effort and the information and analytics the field force uses to assist our members to maximize the value of the GNYHA Services Group Purchasing Program. Mr. Glick previously worked with the North Shore-Long Island Jewish Health System for more than twelve years in various areas of healthcare administration, including finance, internal audit, and supply chain. Most recently, he served as Assistant Vice President of Procurement Analytics, where he oversaw supply chain business intelligence for the Health System. Mr. Glick earned his BBA in Accounting from Hofstra University and is a Certified Public Accountant.

Lisa Fishelberg, Associate Vice President
(212) 258-5388 |

Ms. Lisa Fishelberg has worked at GNYHA Services since 2005. Ms. Fishelberg is primarily responsible for deploying the GNYHA Services/Premier/GHX contract management technology to our member hospitals. She also provides information and analytics necessary to support the GNYHA Services regional contracting and field force efforts to maximize the value of the GNYHA Services Group Purchasing Program. As an experienced healthcare manager, she has been responsible for the operations management, financial growth, strategic planning, and business development of healthcare organizations. Ms. Fishelberg earned her BS in Social Sciences at SUNY Binghamton, NY and her MHA in Healthcare Administration from University of North Carolina at Chapel Hill, NC.

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