Richard A. Zak, Md,Inc is a Gastroenterologist (taxonomy code 207RG0100X) located in Chico, California. Richard A. Zak, Md,Inc's NPI Number is #1821316944 and has been listed in the NPI registry for 8 years. Richard A. Zak, Md,Inc's practice location is listed as: 251 Cohasset Rd Suite 300 Chico, CA 95926-2241 and can be reached via phone at (530) 894-8800.
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