Psychologist

Dr. Mary Joy Kolb, PH.D.

220 Main St, 2nd Floor, Gaithersburg, Maryland, 20878-5471

About Dr. Mary Joy Kolb

Dr. Mary Joy Kolb is a psychologist based in Gaithersburg, Maryland who is specialized in Psychology. Active license number of Dr. Mary Joy Kolb is 04764 for Cognitive & Behavioral Psychology in Maryland. Her current practice location is 220 Main St, 2nd Floor, Gaithersburg. Patients can contact her at 240-252-4105. Dr. Mary Joy Kolb, PH.D., specializes in Psychology and her NPI number (Unique professional ID assigned by NPPES) is 1013245901.

Dr. Mary Joy Kolb is specialized in psychological testing and evaluating or assessing patient's personal characteristics, such as intelligence, personality, abilities, interests, aptitudes, and neuropsychological functioning. Accordingly, she performs counseling, psychoanalysis, psychotherapy, hypnosis, biofeedback, and behavior analysis and therapy. She 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. Mary Joy Kolb'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. Mary Joy Kolb
Specialization Psychology
Credentials PH.D.
Gender Female
Practice Address: 220 Main St, 2nd Floor
Gaithersburg, MD - 20878-5471

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 Number1013245901
NPI Enumeration Date: 03 Dec, 2009
NPI Last Update On: 12 Jul, 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. Mary Joy Kolb are as mentioned below.

License NumberSpecializationStateStatus
04764Cognitive & Behavioral Psychology MarylandPrimary
1-07-3578Behavioral Analyst Secondary

Mailing Address

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

Dr. Mary Joy Kolb
220 Main St, 2nd Floor
Gaithersburg, MD - 20878-5471
Phone: 240-252-4105

Book an Appointment with Dr. Mary Joy Kolb

To schedule an appointment, contact Dr. Mary Joy Kolb at 220 Main St, 2nd Floor, Gaithersburg, Maryland or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Dr. Mary Joy Kolb:

Dr. Mary Joy Kolb is a psychologist specializing in Cognitive & Behavioral Psychology. She has variety of professional responsibilities, including assessment (identifying, diagnosing, and conceptualizing problems experienced by individuals or groups), intervention (creating, implementing and evaluating interventions designed to induce positive change) and consultation. Cognitive Behavioral Psychologists also participates in research, education, training, and clinical practice including a range of issues and populations.

Yes, Dr. Mary Joy Kolb 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. Mary Joy Kolb practices at 220 Main St, 2nd Floor, Gaithersburg, Maryland, 20878-5471.

To schedule an appointment with Dr. Mary Joy Kolb, please contact the office at 240-252-4105.

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