Diana L Mcmahon

MD | Psychiatry


  100 E Lehigh Ave, Philadelphia
     Pennsylvania, 19125-1012
  215-707-1200    Maps & Directions
Diana L Mcmahon is a Philadelphia, Pennsylvania based psychiatrist who is specialized in Psychiatry. Active license number of Diana L Mcmahon is MT236449 for Psychiatry in Pennsylvania. Her current practice location is 100 E Lehigh Ave, Philadelphia. Patients can reach her at 215-707-1200. Diana L Mcmahon is MD in Psychiatry and her NPI number (Unique professional ID assigned by NPPES) is 1821928045.
Diana L Mcmahon specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.
Complete Profile:
Diana L Mcmahon speciality, credentials, practice address, contact phone number and fax are as below. Patients can call on the below given phone number for appointment.
Name: Diana L Mcmahon
Specialization: Psychiatry
Gender:Female
Credentials: MD
Practice Address:100 E Lehigh Ave, Philadelphia,
Pennsylvania, 19125-1012
Phone:215-707-1200
Professional Identification Codes:
NPI number stands for National Provider Identifier which is a unique 10-digit identification number issued to health care providers in the United States by the Centers for Medicare and Medicaid Services (CMS). NPI details are as mentioned below.
NPI Number: 1821928045
NPI Enumeration Date: 20 May, 2026
NPI Last Update On: 20 May, 2026

Medical Licenses:
Doctors can have one or more medical licenses for different specialities in the same state or different states. Related medical licenses for Diana L Mcmahon are as mentioned below.
License NumberSpecializationStateStatus
MT236449Psychiatry PennsylvaniaPrimary
Business Mailing Address:
Business mailing address can be used for mailing purpose only, for visiting purpose patients need to refer above mentioned address.
Address: Diana L Mcmahon
5030 Commonwealth St,
Detroit, Michigan
Zip: 48208-2040
Phone Number: 231-736-7480
Patients can reach Diana L Mcmahon at 100 E Lehigh Ave, Philadelphia, Pennsylvania or can call to book an appointment on 215-707-1200.
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**Data of this site is collected from Medicare & Medicaid Services (CMS) and NPPES. Last updated on 08 June, 2026.