Dr deirdre mcmullen patient portal. Deirdre McMullen, MD Memorial Hermann; Deirdre McMullen, MD, Family Medicine in 3281 Rocky Creek 500 Mis 77459 Deirdre C McMullen 1043206733 MSOW; Find phone number, office address, bio, maps and more; Memorialhermann.org DA: 23 PA: 50 MOZ Rank: 77; Site-stats.org DA: 14 PA: 44 MOZ Rank: 60.