Appeals Victories for Dallas-Based Healthcare Specialist

Richard Cheng and Paul Stevenson of Ritter Spencer Cheng PLLC represent Dr. Vladimir Grebennikov in ongoing credentialing disputes with national healthcare insurance carriers regarding a matter that has been settled and nearly fully resolved with the Texas Medical Board. Dr. Grebennikov is a well-renowned Internal Medicine Specialist who has practiced for over twenty-one years in Texas and sees patients from all over the Dallas/Fort Worth metroplex.

On March 20, 2024, and April 17, 2024, two prominent national healthcare insurance carriers held their respective second-level appeal and first-level appeal hearings regarding Dr. Grebennikov’s in-network participation in their health benefit product networks. The carriers initially proposed to terminate Dr. Grebennikov from their in-network participations, thus, terminating his status as an in-network provider. Being terminated as an in-network provider has long-lasting residual impacts and significant monetary effects typically in the range of seven figures, depending on the volume of claims.

However, due to Richard Cheng and Paul Stevenson of Ritter Spencer Cheng PLLC’s diligence and keen legal prowess, after the respective second-level appeal and first-level appeal hearings concluded, the carriers overturned their original decisions to end Dr. Grebennikov’s network participation and rescinded their pending terminations. Accordingly, Dr. Grebennikov will remain an in-network provider with these carriers. Richard Cheng and Paul Stevenson were also successful via written legal arguments in overturning a third prominent national healthcare insurance carrier’s proposed termination and having Dr. Grebennikov remain an in-network provider with this third carrier.




Richard Y. Cheng is a managing member at Ritter Spencer Cheng PLLC, who brings a wealth of experience and expertise in corporate transactions and regulatory matters and has a certification in healthcare compliance (CHC) through the Certification Compliance Board (CCB).

Paul Stevenson is a Dallas-based attorney for Ritter Spencer Cheng PLLC. Paul Stevenson is a trusted advisor for healthcare providers and specialists. His additional expertise in other areas such as intellectual property law and commercial litigation makes him well-suited to guide his clients through unique legal issues. Contact Ritter Spencer Cheng PLLC or give us a call at 469.871.6937 for more information.