Psychologist | Clinical Psychology

Dr. Marissa Hartel, PSYD

150 E Meda Ave Ste 280, Glendora, California, 91741-2691

About Dr. Marissa Hartel

Dr. Marissa Hartel is a psychologist based in Glendora, California who is specialized in Clinical Psychology. Active license number of Dr. Marissa Hartel is PSY35245 for Clinical Psychology in California. Her current practice location is 150 E Meda Ave Ste 280, Glendora. Patients can contact her at 626-509-8785. Dr. Marissa Hartel, PSYD, specializes in Clinical Psychology and her NPI number (Unique professional ID assigned by NPPES) is 1699347294.

Dr. Marissa Hartel 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. Marissa Hartel'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. Marissa Hartel
Specialization Clinical Psychology
Credentials PSYD
Gender Female
Practice Address: 150 E Meda Ave Ste 280,
Glendora, CA - 91741-2691

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 Number1699347294
NPI Enumeration Date: 13 Jul, 2021
NPI Last Update On: 07 Nov, 2025

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. Marissa Hartel are as mentioned below.

License NumberSpecializationStateStatus
PSY35245Clinical 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. Marissa Hartel
150 E Meda Ave Ste 280,
Glendora, CA - 91741-2691
Phone: 626-509-8785

Book an Appointment with Dr. Marissa Hartel

To schedule an appointment, contact Dr. Marissa Hartel at 150 E Meda Ave Ste 280, Glendora, California or call the phone number listed below.

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Frequently Asked Questions

Below are some commonly asked questions about Dr. Marissa Hartel:

Dr. Marissa Hartel 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. Marissa Hartel 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. Marissa Hartel practices at 150 E Meda Ave Ste 280, Glendora, California, 91741-2691.

To schedule an appointment with Dr. Marissa Hartel, please contact the office at 626-509-8785.

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