Psychologist | Clinical Psychology

Dr. Patricia Gregg Hesterly, PH.D.

595 E Colorado Blvd, Pasadena, California, 91101-2039

About Dr. Patricia Gregg Hesterly

Dr. Patricia Gregg Hesterly is a psychologist based in Pasadena, California who is specialized in Clinical Psychology. Active license number of Dr. Patricia Gregg Hesterly is PSY15203 for Clinical Psychology in California. Her current practice location is 595 E Colorado Blvd, Pasadena. Patients can contact her at 626-660-8568 or can fax her at 626-628-1803. Dr. Patricia Gregg Hesterly, PH.D., specializes in Clinical Psychology and her NPI number (Unique professional ID assigned by NPPES) is 1851410807.

Dr. Patricia Gregg Hesterly 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. Patricia Gregg Hesterly'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. Patricia Gregg Hesterly
Specialization Clinical Psychology
Credentials PH.D.
Gender Female
Practice Address: 595 E Colorado Blvd,
Pasadena, CA - 91101-2039
Fax 626-628-1803

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 Number1851410807
NPI Enumeration Date: 29 Mar, 2007
NPI Last Update On: 19 Oct, 2011

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. Patricia Gregg Hesterly are as mentioned below.

License NumberSpecializationStateStatus
PSY15203Clinical 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. Patricia Gregg Hesterly
Po Box 94380,
Pasadena, CA - 91109-4380
Phone: 626-660-8568
Fax: 626-628-1803

Book an Appointment with Dr. Patricia Gregg Hesterly

To schedule an appointment, contact Dr. Patricia Gregg Hesterly at 595 E Colorado Blvd, Pasadena, California or call the phone number listed below.

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Frequently Asked Questions

Below are some commonly asked questions about Dr. Patricia Gregg Hesterly:

Dr. Patricia Gregg Hesterly 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. Patricia Gregg Hesterly 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. Patricia Gregg Hesterly practices at 595 E Colorado Blvd, Pasadena, California, 91101-2039.

To schedule an appointment with Dr. Patricia Gregg Hesterly, please contact the office at 626-660-8568.

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