Nicole Gontarski, Billing Manager

As the Billing Manager, Nicole Gontarski plays a pivotal role in overseeing the billing department with expertise and precision. Her responsibilities encompass managing all aspects of the billing process, from insurance claims to patient invoicing, with a keen focus on accuracy and efficiency.

Nicole’s extensive experience in healthcare billing equips her with the knowledge and skills necessary to navigate the complexities of medical billing procedures effectively. She stays abreast of the latest industry regulations and coding guidelines to ensure compliance and maximize revenue for the center.

Her leadership ensures that the billing department operates smoothly and efficiently, minimizing errors and delays in processing claims and payments. Nicole’s attention to detail and commitment to excellence contribute to the center’s reputation for professionalism and reliability in financial transactions.

In addition to her technical expertise, Nicole is dedicated to providing excellent customer service to patients, addressing any billing inquiries or concerns with patience and empathy. Her approachable demeanor and proactive communication style foster trust and confidence among patients, enhancing their overall experience with the center.

Gary Yen, MD


Dr. Gary L. Yen is Board certified in Physical Medicine and Rehabilitation and has a sub-specialty in Pain Medicine. Dr. Yen grew up in Long Island, NY and received his medical degree from Ross University. He completed his internship in Internal Medicine at Lutheran Medical Center in Brooklyn, NY and performed his residency in Physical Medicine and Rehabilitation at Stony Brook University, where he was chief resident.

Dr. Yen completed a pain management fellowship at RehabNY in Buffalo, NY, during which he served as the assistant athletic trainer to the Buffalo Bison, the Minor League AAA baseball team for the Cleveland Indians, as well as the Niagara University men’s and women’s collegiate hockey team.

The former chairman of the Physical Medicine & Rehabilitation Division of the Pain Management Department at CentraState Medical Center, Dr. Yen specializes in the non-operative treatment of a variety of joint, muscular, nerve, skeletal, spine and sports related injuries. He treats acute and chronic pain syndromes and performs electrodiagnostic studies. Dr. Yen also performs variety of interventional pain procedures and minimally invasive spine surgery for the relief of pain. He utilizes conservative treatments such as physical therapy, chiropractic care and acupuncture in conjunction with other procedures to enhance long term benefits. Dr. Yen believes in working with patients to create individual treatment plans.

When not attending to his patients, Dr. Yen likes to play golf, cook, and has a passion for playing the saxophone and piano. He is the proud father of two boys.