Psychologist | Clinical Psychology

Dr. Margaret Jean Mcmahon, PH.D.

2301 Ohio Dr Ste 202, Plano, Texas, 75093-3902

About Dr. Margaret Jean Mcmahon

Dr. Margaret Jean Mcmahon is a psychologist based in Plano, Texas who is specialized in Clinical Psychology. Active license number of Dr. Margaret Jean Mcmahon is 25616 for Clinical Psychology in Texas. Her current practice location is 2301 Ohio Dr Ste 202, Plano. Patients can contact her at 214-923-6778 or can fax her at 972-769-9357. Dr. Margaret Jean Mcmahon, PH.D., specializes in Clinical Psychology and her NPI number (Unique professional ID assigned by NPPES) is 1417975707.

Dr. Margaret Jean Mcmahon is a mental health professional with highly specialized training in the diagnosis and psychological treatment of mental, behavioral and emotional illnesses, including obsessive-compulsive disorder (OCD). Her main focus is on diagnosing and treating mental, emotional, and behavioral disorders. Some of the common disorders that she can treat are learning disabilities, substance abuse, depression, anxiety, and eating disorders.

Practice Information

Dr. Margaret Jean Mcmahon's specialty, credentials, practice address, contact phone number and fax are as below. Patients can call on the below given phone number for appointment.

Provider Name Dr. Margaret Jean Mcmahon
Specialization Clinical Psychology
Credentials PH.D.
Gender Female
Practice Address: 2301 Ohio Dr Ste 202,
Plano, TX - 75093-3902
Fax 972-769-9357

Professional Identification Codes

NPI number stands for National Provider Identifier which is a unique 10-digit identification number issued to healthcare providers in the United States by the Centers for Medicare and Medicaid Services (CMS). NPI details are as mentioned below.

NPI Number1417975707
NPI Enumeration Date: 17 Jul, 2006
NPI Last Update On: 08 Jul, 2007

Medical Licenses:

Healthcare professionals can hold one or more medical licenses for different specialties in the same state or different states. Related medical licenses for Dr. Margaret Jean Mcmahon are as mentioned below.

License NumberSpecializationStateStatus
25616Clinical Psychology TexasPrimary

Mailing Address

Business mailing address can be used for mailing purpose only, for visiting purpose patients need to refer above mentioned Practice address.

Dr. Margaret Jean Mcmahon
2301 Ohio Dr Ste 202,
Plano, TX - 75093-3902
Phone: 214-923-6778
Fax: 972-769-9357

Book an Appointment with Dr. Margaret Jean Mcmahon

To schedule an appointment, contact Dr. Margaret Jean Mcmahon at 2301 Ohio Dr Ste 202, Plano, Texas or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Dr. Margaret Jean Mcmahon:

Dr. Margaret Jean Mcmahon is a psychologist specializing in Clinical Psychology. She is a mental health professional with highly specialized training in the diagnosis and psychological treatment of mental, behavioral and emotional illnesses, including obsessive-compulsive disorder (OCD). Her main focus is on diagnosing and treating mental, emotional, and behavioral disorders. Some of the common disorders that she can treat are learning disabilities, substance abuse, depression, anxiety, and eating disorders.

Yes, Dr. Margaret Jean Mcmahon is currently accepting new patients. To schedule an appointment, contact the office directly and schedule an appointment.
*Availability may change. Please contact the office directly to ask about appointments.

Dr. Margaret Jean Mcmahon practices at 2301 Ohio Dr Ste 202, Plano, Texas, 75093-3902.

To schedule an appointment with Dr. Margaret Jean Mcmahon, please contact the office at 214-923-6778.

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**Data of this site is collected from Medicare & Medicaid Services (CMS) and NPPES. Last updated on 14 September, 2026.