Psychologist | General Psychology

Dr. Alan L. Marcus Sr., PHD

6218 Montrose Rd, Rockville, Maryland, 20852-4119

About Dr. Alan L. Marcus Sr.

Dr. Alan L. Marcus Sr. is a psychologist based in Rockville, Maryland who is specialized in General Psychology. Active license number of Dr. Alan L. Marcus Sr. is 02965 for General Psychology in Maryland. His current practice location is 6218 Montrose Rd, Rockville. Patients can contact him at 301-775-2636. Dr. Alan L. Marcus Sr., PHD, specializes in General Psychology and his NPI number (Unique professional ID assigned by NPPES) is 1962526384.

Dr. Alan L. Marcus Sr. 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. Alan L. Marcus Sr.'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. Alan L. Marcus Sr.
Specialization General Psychology
Credentials PHD
Gender Male
Practice Address: 6218 Montrose Rd,
Rockville, MD - 20852-4119

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 Number1962526384
NPI Enumeration Date: 19 Mar, 2007
NPI Last Update On: 08 Jul, 2007

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. Alan L. Marcus Sr. are as mentioned below.

License NumberSpecializationStateStatus
02965General Psychology MarylandPrimary
PSY1685General Psychology District Of ColumbiaSecondary

Mailing Address

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

Dr. Alan L. Marcus Sr.
6218 Montrose Rd,
Rockville, MD - 20852-4119
Phone: 301-775-2636

Book an Appointment with Dr. Alan L. Marcus Sr.

To schedule an appointment, contact Dr. Alan L. Marcus Sr. at 6218 Montrose Rd, Rockville, Maryland or call the phone number listed below.

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Frequently Asked Questions

Below are some commonly asked questions about Dr. Alan L. Marcus Sr.:

Dr. Alan L. Marcus Sr. 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. Alan L. Marcus Sr. 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. Alan L. Marcus Sr. practices at 6218 Montrose Rd, Rockville, Maryland, 20852-4119.

To schedule an appointment with Dr. Alan L. Marcus Sr., please contact the office at 301-775-2636.

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