Psychologist | Clinical Psychology

Dr. Melissa A Knowlton-patheal, PSYD

100 N Morain St, Suite 201, Kennewick, Washington, 99336-2905

About Dr. Melissa A Knowlton-patheal

Dr. Melissa A Knowlton-patheal is a psychologist based in Kennewick, Washington who is specialized in Clinical Psychology. Active license number of Dr. Melissa A Knowlton-patheal is PY60472709 for Clinical Psychology in Washington. Her current practice location is 100 N Morain St, Suite 201, Kennewick. Patients can contact her at 509-543-7253 or can fax her at 509-735-8535. Dr. Melissa A Knowlton-patheal, PSYD, specializes in Clinical Psychology and her NPI number (Unique professional ID assigned by NPPES) is 1619354636.

Dr. Melissa A Knowlton-patheal 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. Melissa A Knowlton-patheal'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. Melissa A Knowlton-patheal
Specialization Clinical Psychology
Credentials PSYD
Gender Female
Practice Address: 100 N Morain St, Suite 201
Kennewick, WA - 99336-2905
Fax 509-735-8535

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 Number1619354636
NPI Enumeration Date: 28 Apr, 2015
NPI Last Update On: 28 Apr, 2015

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. Melissa A Knowlton-patheal are as mentioned below.

License NumberSpecializationStateStatus
PY60472709Clinical Psychology WashingtonPrimary
4062Clinical Psychology ArizonaSecondary

Mailing Address

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

Dr. Melissa A Knowlton-patheal
100 N Morain St, Suite 201
Kennewick, WA - 99336-2905
Phone: 509-543-7253
Fax: 509-735-8535

Book an Appointment with Dr. Melissa A Knowlton-patheal

To schedule an appointment, contact Dr. Melissa A Knowlton-patheal at 100 N Morain St, Suite 201, Kennewick, Washington or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Dr. Melissa A Knowlton-patheal:

Dr. Melissa A Knowlton-patheal 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. Melissa A Knowlton-patheal 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. Melissa A Knowlton-patheal practices at 100 N Morain St, Suite 201, Kennewick, Washington, 99336-2905.

To schedule an appointment with Dr. Melissa A Knowlton-patheal, please contact the office at 509-543-7253.

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