JPM is indexed at: 
Islamic World Science Citation Center (ISC)
Google Scholar
Magiran
WHO
Index Copernicus
Civilica
International Committee of Medical Journal Editors (ICMJE)
Directory of Open Access Scholary Resources (ROAD)
Scientific Information Database (SID)
Index Medicus for the Eastern Mediterranean Region (IMEMR)
Electronic Journals library 
Academia
X
Mendeley