Psychologist | General Psychology

Dr. Catherine Day

10 N Jefferson St Ste 203, Frederick, Maryland, 21701-4865

About Dr. Catherine Day

Dr. Catherine Day is a psychologist based in Frederick, Maryland who is specialized in General Psychology. Active license number of Dr. Catherine Day is A01225 for General Psychology in Maryland. Her current practice location is 10 N Jefferson St Ste 203, Frederick. Patients can contact her at 202-750-1028. Dr. Catherine Day NPI number (Unique professional ID assigned by NPPES) is 1699636720.

Dr. Catherine Day 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. Catherine Day'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. Catherine Day
Specialization General Psychology
Gender Female
Practice Address: 10 N Jefferson St Ste 203,
Frederick, MD - 21701-4865

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 Number1699636720
NPI Enumeration Date: 19 Nov, 2025
NPI Last Update On: 22 May, 2026

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. Catherine Day are as mentioned below.

License NumberSpecializationStateStatus
A01225General Psychology MarylandPrimary

Mailing Address

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

Dr. Catherine Day
6010 Executive Blvd Unit 303,
Rockville, MD - 20852-3809
Phone: 202-750-1028

Book an Appointment with Dr. Catherine Day

To schedule an appointment, contact Dr. Catherine Day at 10 N Jefferson St Ste 203, Frederick, Maryland or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Dr. Catherine Day:

Dr. Catherine Day is a psychologist specializing in General Psychology. She 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.

Yes, Dr. Catherine Day 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. Catherine Day practices at 10 N Jefferson St Ste 203, Frederick, Maryland, 21701-4865.

To schedule an appointment with Dr. Catherine Day, please contact the office at 202-750-1028.

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