Psychologist | Clinical Psychology

Heidi Maria Evjen Mattila

4405 E West Hwy Ste 411, Bethesda, Maryland, 20814-4535

About Heidi Maria Evjen Mattila

Heidi Maria Evjen Mattila is a psychologist based in Bethesda, Maryland who is specialized in Clinical Psychology. Active license number of Heidi Maria Evjen Mattila is 06058 for Clinical Psychology in Maryland. Her current practice location is 4405 E West Hwy Ste 411, Bethesda. Patients can contact her at 202-557-6713. Heidi Maria Evjen Mattila NPI number (Unique professional ID assigned by NPPES) is 1417423963.

Heidi Maria Evjen Mattila 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

Heidi Maria Evjen Mattila'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 Heidi Maria Evjen Mattila
Specialization Clinical Psychology
Gender Female
Practice Address: 4405 E West Hwy Ste 411,
Bethesda, MD - 20814-4535

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 Number1417423963
NPI Enumeration Date: 22 Oct, 2018
NPI Last Update On: 22 Oct, 2018

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 Heidi Maria Evjen Mattila are as mentioned below.

License NumberSpecializationStateStatus
06058Clinical Psychology MarylandPrimary

Mailing Address

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

Heidi Maria Evjen Mattila
1414 21st St Nw,
Washington, DC - 20036-5901
Phone: 202-557-6713

Book an Appointment with Heidi Maria Evjen Mattila

To schedule an appointment, contact Heidi Maria Evjen Mattila at 4405 E West Hwy Ste 411, Bethesda, Maryland or call the phone number listed below.

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Frequently Asked Questions

Below are some commonly asked questions about Heidi Maria Evjen Mattila:

Heidi Maria Evjen Mattila 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, Heidi Maria Evjen Mattila 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.

Heidi Maria Evjen Mattila practices at 4405 E West Hwy Ste 411, Bethesda, Maryland, 20814-4535.

To schedule an appointment with Heidi Maria Evjen Mattila, please contact the office at 202-557-6713.

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