NPI 1689629487 : DR. HOWARD A FISHBEIN M.D. NPI Number 1689629487 : DR. HOWARD A FISHBEIN M.D. : IRVINE, CA. To modify â1689629487â NPI Number profile you may use given links: EDIT | DELETE | SYNCHRONIZE . You can get information about â1689629487â NPI number in TXT | PDF | XML | JSON formats.