Psychologist | Clinical Psychology

Melissa Ann Jajko, PSY.D.

3102 E. Highland Avenue, Medical Staff Office, Patton, California, 92369

About Melissa Ann Jajko

Melissa Ann Jajko is a psychologist based in Patton, California who is specialized in Clinical Psychology. Active license number of Melissa Ann Jajko is PSY27818 for Clinical Psychology in California. Her current practice location is 3102 E. Highland Avenue, Medical Staff Office, Patton. Patients can contact her at 909-425-7000. Melissa Ann Jajko, PSY.D., specializes in Clinical Psychology and her NPI number (Unique professional ID assigned by NPPES) is 1619336302.

Melissa Ann Jajko 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

Melissa Ann Jajko'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 Melissa Ann Jajko
Specialization Clinical Psychology
Credentials PSY.D.
Gender Female
Practice Address: 3102 E. Highland Avenue, Medical Staff Office
Patton, CA - 92369

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 Number1619336302
NPI Enumeration Date: 23 Feb, 2016
NPI Last Update On: 23 Feb, 2016

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 Melissa Ann Jajko are as mentioned below.

License NumberSpecializationStateStatus
PSY27818Clinical 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.

Melissa Ann Jajko
3102 E. Highland Avenue, Medical Staff Office
Patton, CA - 92369
Phone: 909-425-7000

Book an Appointment with Melissa Ann Jajko

To schedule an appointment, contact Melissa Ann Jajko at 3102 E. Highland Avenue, Medical Staff Office, Patton, California or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Melissa Ann Jajko:

Melissa Ann Jajko 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, Melissa Ann Jajko 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.

Melissa Ann Jajko practices at 3102 E. Highland Avenue, Medical Staff Office, Patton, California, 92369.

To schedule an appointment with Melissa Ann Jajko, please contact the office at 909-425-7000.

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