Psychologist | Cognitive & Behavioral Psychology

Dr. Andrea Marie Leitheiser, MA, PHD

674 Harmon Loop Rd Ste 214, Dededo, Guam, 96929-6535

About Dr. Andrea Marie Leitheiser

Dr. Andrea Marie Leitheiser is a psychologist based in Dededo, Guam who is specialized in Cognitive & Behavioral Psychology. Active license number of Dr. Andrea Marie Leitheiser is CP000026 for Clinical Psychology in Guam. Her current practice location is 674 Harmon Loop Rd Ste 214, Dededo. Patients can contact her at 671-487-7747. Dr. Andrea Marie Leitheiser, MA, PHD, specializes in Cognitive & Behavioral Psychology and her NPI number (Unique professional ID assigned by NPPES) is 1477964567.

Dr. Andrea Marie Leitheiser has variety of professional responsibilities, including assessment (identifying, diagnosing, and conceptualizing problems experienced by individuals or groups), intervention (creating, implementing and evaluating interventions designed to induce positive change) and consultation. Cognitive Behavioral Psychologists also participates in research, education, training, and clinical practice including a range of issues and populations.

Practice Information

Dr. Andrea Marie Leitheiser'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. Andrea Marie Leitheiser
Specialization Cognitive & Behavioral Psychology
Credentials MA, PHD
Gender Female
Practice Address: 674 Harmon Loop Rd Ste 214,
Dededo, GU - 96929-6535

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 Number1477964567
NPI Enumeration Date: 12 May, 2014
NPI Last Update On: 12 May, 2014

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. Andrea Marie Leitheiser are as mentioned below.

License NumberSpecializationStateStatus
CP000026Clinical Psychology GuamPrimary
001257Cognitive & Behavioral Psychology AlabamaSecondary
0942Clinical Psychology New MexicoSecondary

Mailing Address

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

Dr. Andrea Marie Leitheiser
Po Box 217922,
Barrigada, GU - 96921-6957
Phone: 671-688-7712
Fax: 671-637-5550

Book an Appointment with Dr. Andrea Marie Leitheiser

To schedule an appointment, contact Dr. Andrea Marie Leitheiser at 674 Harmon Loop Rd Ste 214, Dededo, Guam or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Dr. Andrea Marie Leitheiser:

Dr. Andrea Marie Leitheiser 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. Andrea Marie Leitheiser 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. Andrea Marie Leitheiser practices at 674 Harmon Loop Rd Ste 214, Dededo, Guam, 96929-6535.

To schedule an appointment with Dr. Andrea Marie Leitheiser, please contact the office at 671-487-7747.

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