South Valley Dermatology: Fred Shahan M.D. Return to Central California Businesses Directory Claim Listing Return to Central California Businesses Directory Description Details Address 740 N. Irwin St. City Hanford State California ZIP Code 93230 Phone 559-583-7546 Listing Category Dermatology - Listings Please login to claim this listing. Username*: Email*: Password*: Log in | Lost your password?