Dr. Patsalides is in NY - https://www.athospatsalidesmd.com. We have had members who have been diagnosed w/ IJV compression by him. He does venograms & vascular pressure readings that help with diagnosis. Here’s a quote from one member of several who was helped to a diagnosis by him.
In this post: https://forum.livingwitheagle.org/t/venogram-imaging/14789/4 @Brandy argues in favor of a venogram as the best diagnostic tool for determining whether or not IJV decompression surgery will be successful. A venogram is also a good starting point for vascular compression diagnosis. Dr. Patsalides does venograms so would be a good resource for you.
Here’s a link to a YouTube video featuring Dr. Patsalides which @vdm posted awhile ago regarding pulsatile tinnitus which is a common symptom of IJV compression:
Dr. Lo & Dr. Tobias are both neurosurgeons who work with Dr. Costantino but also independent of him. Dr. Lo in particular has diagnosed IJV compression in several of our members:
Dr. Tobias: Michael Tobias, MD