Psychologist | General Psychology

Dr. Mark Gavin Dillon, PH.D.

2720 Ne 33rd Ave, Portland, Oregon, 97212-3648

About Dr. Mark Gavin Dillon

Dr. Mark Gavin Dillon is a psychologist based in Portland, Oregon who is specialized in General Psychology. Active license number of Dr. Mark Gavin Dillon is 1722 for General Psychology in Oregon. His current practice location is 2720 Ne 33rd Ave, Portland. Patients can contact him at 503-281-6162 or can fax him at 503-284-1750. Dr. Mark Gavin Dillon, PH.D., specializes in General Psychology and his NPI number (Unique professional ID assigned by NPPES) is 1295870038.

Dr. Mark Gavin Dillon is specialized in psychological testing and evaluating or assessing patient's personal characteristics, such as intelligence, personality, abilities, interests, aptitudes, and neuropsychological functioning. Accordingly, he performs counseling, psychoanalysis, psychotherapy, hypnosis, biofeedback, and behavior analysis and therapy. He can diagnose and treat mental and emotional disorder or disability, alcoholism and substance abuse, disorders of habit or conduct, as well as of the psychological aspects of physical illness, accident, injury, or disability by psycheducational evaluation, therapy, remediation, and consultation.

Practice Information

Dr. Mark Gavin Dillon'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. Mark Gavin Dillon
Specialization General Psychology
Credentials PH.D.
Gender Male
Practice Address: 2720 Ne 33rd Ave,
Portland, OR - 97212-3648
Fax 503-284-1750

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 Number1295870038
NPI Enumeration Date: 20 Feb, 2007
NPI Last Update On: 08 Sep, 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. Mark Gavin Dillon are as mentioned below.

License NumberSpecializationStateStatus
1722General Psychology OregonPrimary

Mailing Address

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

Dr. Mark Gavin Dillon
2720 Ne 33rd Avenue,
Portland, OR - 97212
Phone: 503-281-6162
Fax: 503-284-1750

Book an Appointment with Dr. Mark Gavin Dillon

To schedule an appointment, contact Dr. Mark Gavin Dillon at 2720 Ne 33rd Ave, Portland, Oregon or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Dr. Mark Gavin Dillon:

Dr. Mark Gavin Dillon is a psychologist specializing in General Psychology. He is specialized in psychological testing and evaluating or assessing patient's personal characteristics, such as intelligence, personality, abilities, interests, aptitudes, and neuropsychological functioning. Accordingly, he performs counseling, psychoanalysis, psychotherapy, hypnosis, biofeedback, and behavior analysis and therapy. He can diagnose and treat mental and emotional disorder or disability, alcoholism and substance abuse, disorders of habit or conduct, as well as of the psychological aspects of physical illness, accident, injury, or disability by psycheducational evaluation, therapy, remediation, and consultation.

Yes, Dr. Mark Gavin Dillon 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. Mark Gavin Dillon practices at 2720 Ne 33rd Ave, Portland, Oregon, 97212-3648.

To schedule an appointment with Dr. Mark Gavin Dillon, please contact the office at 503-281-6162.

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