Ned Lakshmipathy, MD

Founder & Medical Director

Dr. Ned formed Pain Management Group with a vision to create a systematic, process-driven approach to developing and operating balanced, hospital-based, outpatient pain management centers.

Dr. Ned is board certified in anesthesiology and interventional pain management and completed his ACGME-accredited Fellowship in pain management and anesthesiology residency at the New England Medical Center/Tufts University School of Medicine in Boston, Mass. Dr. Ned did his internal medicine internship and residency at the Hospital of St. Raphael in New Haven, CT.

John Bookmyer

President & CEO

John joined Pain Management Group in 2009, bringing a combination of financial and strategic planning expertise as well as more than 20 years of experience in hospital administration and healthcare consulting. John has led PMG’s growth by developing partnerships with physicians and hospital administration to expand hospital offerings, facilities, and service lines.

John is a graduate of Bowling Green State University where he earned his BS in Accounting and received his MBA from The University of Findlay.

Christina Tulenko, MD, JD

VP of Medical Services & CMO

Christina Tulenko, MD, JD joined Pain Management Group in July of 2016.

Dr. Tulenko utilizes her vast skill sets to provide quality clinical and policy insight for Pain Management Group and their partner programs. She completed dual residencies at Indiana University in the fields of Internal Medicine and Pediatrics. Dr. Tulenko’s experience includes serving as Medical Director of Emergency Services at Marion General Hospital and as a consulting practice attorney for medical malpractice issues with Wolske and Blue, LPA in Columbus, Ohio.

Dr. Tulenko received both her medical and legal degrees from The Ohio State University.

Brad Hecker

VP of Finance & CFO

Brad joined Pain Management Group in 2010. He oversees PMG’s financial management business process. Brad has more than 19 years of healthcare industry experience in financial management and operations.

Prior to joining Pain Management Group, Brad was Director of Joint Venture and Performance Management and Director of Finance Operations at OhioHealth.

Brad earned his MBA from Kent State University and his BBA from The Ohio State University.

Jeff Leimgruber

VP of Operations & COO

Jeff joined PMG in April 2017 to lead corporate and business operations. Jeff is a Fellow of the American College of Healthcare Executives, and brings over thirty-five years of healthcare administration experience. After twenty-three years working in executive operational roles at hospitals in Northern Ohio and New York City, he dedicated seventeen years to serve as the CEO of the Cleveland Clinic's two 500-bed teaching hospitals.

Jeff completed his undergraduate at The Ohio State University, and received a Masters in Healthcare Administration from the Roth Graduate School of Business at Long Island University.

Julianne Renz

VP of Information Services & CIO

Julianne coordinates IT operations and front-end development of PMG's proprietary database.

Julianne has more than 19 years of experience in healthcare including strategic planning, program growth and development, process improvement, marketing, and performance management. Prior to joining Pain Management Group, she was the Business Development Manager for OhioHealth.

Julianne earned an MBA from Franklin University and a BS in Allied Health, Physical Therapy from The Ohio State University. She is a Six Sigma Black Belt.

Sara Darr

North Region COO

Sara oversees the Regional Directors of Operations for our Northern region partnerships. Sara utilizes her strong background in nursing, management, and hospital compliance to help lead PMG’s operations team. Her experience in clinic operational management and regulatory oversight allows her to lead PMG’s continued focus on service quality.

Sara graduated from Owens Community College with an Associate Degree in Registered Nursing, and joined PMG after 10 years of hospital and management experience. She previously was the Clinic Manager of the Memorial Hospital Pain Management Center at Fremont Memorial Hospital in Fremont, OH.

Lisa Eidelberg

South Region COO

Lisa oversees the Regional Directors of Operations for our Southern region partnerships. She dedicates her time to leading and developing our RDOs for continued program quality, effective growth, and strong partner relationships.

She has over 11 years of healthcare industry experience including management, program development, strategic planning, operations, physician recruiting, communications, marketing and sales. Prior to joining Pain Management Group in October 2012, Lisa was the Director of Membership Development and Business Partners for the Ohio State Medical Association located in Central Ohio.

Jason Berkhalter

West Region COO

Jason began working with PMG in 2015 and leads growth and oversees operations of our partner centers and RDOs in the southern Midwest region.

Jason has an expansive background in the business sector with focus on Investing and Healthcare Management. Jason most recently worked as the Vice President of Investments for an investment firm out of Fort Wayne, Indiana.

Jason holds a Masters of Business Administration, and a BS in Business Administration from Taylor University.

Jenn Reese

Central Region COO

Jenn oversees operations and leads growth at several of our partner centers in Ohio. Additionally, she assists in the hiring and training of employees and also oversees patient care protocols to ensure hospital compliance. Jenn also assists in the financial decision making, planning and budgeting.

She joined Dr. Ned at Pain Management Group as Director of Operations for the very first pain management center. In an effort to create a comprehensive, process-driven solution, Jenn was instrumental in starting and managing the operations of four other joint ventures.