Psychologist | Clinical Psychology

Dr. Karen Deborah Fiester, PH.D.

1113 Spruce St, Suite 501, Boulder, Colorado, 80302-4001

About Dr. Karen Deborah Fiester

Dr. Karen Deborah Fiester is a psychologist based in Boulder, Colorado who is specialized in Clinical Psychology. Active license number of Dr. Karen Deborah Fiester is 828 for Clinical Psychology in Colorado. Her current practice location is 1113 Spruce St, Suite 501, Boulder. Patients can contact her at 303-449-3028 or can fax her at 303-938-5005. Dr. Karen Deborah Fiester, PH.D., specializes in Clinical Psychology and her NPI number (Unique professional ID assigned by NPPES) is 1831119569.

Dr. Karen Deborah Fiester 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. Karen Deborah Fiester'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. Karen Deborah Fiester
Specialization Clinical Psychology
Credentials PH.D.
Gender Female
Practice Address: 1113 Spruce St, Suite 501
Boulder, CO - 80302-4001
Fax 303-938-5005

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 Number1831119569
NPI Enumeration Date: 19 Jul, 2006
NPI Last Update On: 09 Jul, 2007

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. Karen Deborah Fiester are as mentioned below.

License NumberSpecializationStateStatus
828Clinical Psychology ColoradoPrimary

Mailing Address

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

Dr. Karen Deborah Fiester
1113 Spruce St, Suite 501
Boulder, CO - 80302-4001
Phone: 303-449-3028
Fax: 303-938-5005

Book an Appointment with Dr. Karen Deborah Fiester

To schedule an appointment, contact Dr. Karen Deborah Fiester at 1113 Spruce St, Suite 501, Boulder, Colorado or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Dr. Karen Deborah Fiester:

Dr. Karen Deborah Fiester 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. Karen Deborah Fiester 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. Karen Deborah Fiester practices at 1113 Spruce St, Suite 501, Boulder, Colorado, 80302-4001.

To schedule an appointment with Dr. Karen Deborah Fiester, please contact the office at 303-449-3028.

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