Dr. Muriel Petioni Family Practitioner in Harlem (video) Posted on 07/30/2015 by Harlem World Magazine — Leave a reply Dr. Muriel Petioni was a family practitioner in Harlem for over 50 years. Her practice specialized in the delivery of health care to at-risk populations. Here’s the video: She resided at 123rd St. between Amsterdam Avenue and Broadway in Harlem, New York. Part of the CB 9-Oral History Project (via HarlemCulturalArchives). Support Harlem World MagazineToday!