Psychologist | Clinical Psychology

Dr. Martha Cecilia Masson, PHD

9330 Base Line Road, Suite 103, Rancho Cucamonga, California, 91701-5827

About Dr. Martha Cecilia Masson

Dr. Martha Cecilia Masson is a psychologist based in Rancho Cucamonga, California who is specialized in Clinical Psychology. Active license number of Dr. Martha Cecilia Masson is PSY13675 for Clinical Psychology in California. Her current practice location is 9330 Base Line Road, Suite 103, Rancho Cucamonga. Patients can contact her at 909-652-0100 or can fax her at 909-652-0104. Dr. Martha Cecilia Masson, PHD, specializes in Clinical Psychology and her NPI number (Unique professional ID assigned by NPPES) is 1952417289.

Dr. Martha Cecilia Masson 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. Martha Cecilia Masson'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. Martha Cecilia Masson
Specialization Clinical Psychology
Credentials PHD
Gender Female
Practice Address: 9330 Base Line Road, Suite 103
Rancho Cucamonga, CA - 91701-5827
Fax 909-652-0104

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 Number1952417289
NPI Enumeration Date: 21 Aug, 2006
NPI Last Update On: 01 Sep, 2009

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. Martha Cecilia Masson are as mentioned below.

License NumberSpecializationStateStatus
PSY13675Clinical Psychology CaliforniaPrimary

Mailing Address

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

Dr. Martha Cecilia Masson
Po Box 1008,
Rancho Cucamonga, CA - 91729-1008
Phone: 909-652-0100
Fax: 909-652-0104

Book an Appointment with Dr. Martha Cecilia Masson

To schedule an appointment, contact Dr. Martha Cecilia Masson at 9330 Base Line Road, Suite 103, Rancho Cucamonga, California or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Dr. Martha Cecilia Masson:

Dr. Martha Cecilia Masson 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. Martha Cecilia Masson 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. Martha Cecilia Masson practices at 9330 Base Line Road, Suite 103, Rancho Cucamonga, California, 91701-5827.

To schedule an appointment with Dr. Martha Cecilia Masson, please contact the office at 909-652-0100.

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