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OnBoard will be temporarily unavailable for standard maintenance from 7:30 p.m. ET to 10:30 p.m. ET on Thursday, April 18, 2024. Prior authorization requests (PARs) with a due date of April 18, 2024 will be extended to April 19, 2024.

Subject Number 046-1213 Voluntary Resignation of Dr. Ruvim Krupkin

Subject Numbers Regarding Health Provider Authorizations

Authorization No. 208194-1W

October 2, 2019

Please be advised that Dr. Ruvim Krupkin has resigned his authorization to treat injured workers in the New York State workers’ compensation system effective October 2, 2019. Dr. Krupkin’s last known practice address is:

40 Beverly Road
Summit, New Jersey 07901

Dr. Krupkin is prohibited from rendering treatment and care to injured workers and from conducting reviews of records regarding variance requests pursuant to 12 NYCRR § 324.3(b)(2)(ii)(a). Reports submitted by Dr. Krupkin for services rendered prior to October 2, 2019, are valid, but are invalid for any services rendered on or after that date. Requests to cross-examine Dr. Krupkin for services rendered prior to October 2, 2019, should not be denied due to his resignation.

Any questions regarding the authorized lists should be referred to the Medical Director’s Office at 1 (800) 781-2362.

Clarissa M. Rodriguez