Psychologist | Clinical Psychology | 24+ years experience

Dr. Tricia Lynn Duncan-hassel, PSY.D.

410 S Glendora Ave, Ste 130, Glendora, California, 91741-6207

About Dr. Tricia Lynn Duncan-hassel

Dr. Tricia Lynn Duncan-hassel is a psychologist based in Glendora, California with 24 years of experience in Clinical Psychology. She completed her graduation in 2002. She accepts the Medicare-approved amount. Patients will not be billed for any more than the Medicare deductible and coinsurance. Active license number of Dr. Tricia Lynn Duncan-hassel is PSY19604 for Clinical Psychology in California. Her current practice location is 410 S Glendora Ave, Ste 130, Glendora. Patients can contact her at 626-600-8601 or can fax her at 626-852-5757. Dr. Tricia Lynn Duncan-hassel, PSY.D., specializes in Clinical Psychology and her NPI number (Unique professional ID assigned by NPPES) is 1104993898.

Dr. Tricia Lynn Duncan-hassel 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. Tricia Lynn Duncan-hassel'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. Tricia Lynn Duncan-hassel
Specialization Clinical Psychology
Credentials PSY.D.
Accepts Medicare Assignment Yes
Experience 24+ years
Graduation Year 2002
Gender Female
Practice Address: 410 S Glendora Ave, Ste 130
Glendora, CA - 91741-6207
Fax 626-852-5757

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.

PAC ID 9638138738
Enrollment ID I20041005000760
NPI Number1104993898
NPI Enumeration Date: 29 Nov, 2006
NPI Last Update On: 11 Dec, 2017

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. Tricia Lynn Duncan-hassel are as mentioned below.

License NumberSpecializationStateStatus
PSY19604Clinical 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. Tricia Lynn Duncan-hassel
410 S Glendora Ave, Ste 130
Glendora, CA - 91741-6207
Phone: 626-600-8601
Fax: 626-852-5757

Book an Appointment with Dr. Tricia Lynn Duncan-hassel

To schedule an appointment, contact Dr. Tricia Lynn Duncan-hassel at 410 S Glendora Ave, Ste 130, Glendora, California or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Dr. Tricia Lynn Duncan-hassel:

Dr. Tricia Lynn Duncan-hassel 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.

Dr. Tricia Lynn Duncan-hassel has approximately 24 years of experience in Clinical Psychology.

Yes, Dr. Tricia Lynn Duncan-hassel accepts Medicare assignment, meaning the provider participates in Medicare and accepts Medicare-approved amounts for eligible services.

Yes, Dr. Tricia Lynn Duncan-hassel 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. Tricia Lynn Duncan-hassel practices at 410 S Glendora Ave, Ste 130, Glendora, California, 91741-6207.

To schedule an appointment with Dr. Tricia Lynn Duncan-hassel, please contact the office at 626-600-8601.

Reviews & Feedback

Have you visited Dr. Tricia Lynn Duncan-hassel? Share your experience to help others looking for a psychologist in Glendora, CA.

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