Psychologist

Dr. Mary Katherine Gerrard, PHD

9810 Patuxent Woods Dr Ste F, Columbia, Maryland, 21046-1595

About Dr. Mary Katherine Gerrard

Dr. Mary Katherine Gerrard is a psychologist based in Columbia, Maryland who is specialized in Psychology. Active license number of Dr. Mary Katherine Gerrard is 07383 for Clinical Psychology in Maryland. Her current practice location is 9810 Patuxent Woods Dr Ste F, Columbia. Patients can contact her at 443-923-3871. Dr. Mary Katherine Gerrard, PHD, specializes in Psychology and her NPI number (Unique professional ID assigned by NPPES) is 1538725452.

Dr. Mary Katherine Gerrard 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 Katherine Gerrard'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 Katherine Gerrard
Specialization Psychology
Credentials PHD
Gender Female
Practice Address: 9810 Patuxent Woods Dr Ste F,
Columbia, MD - 21046-1595

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 Number1538725452
NPI Enumeration Date: 16 May, 2019
NPI Last Update On: 04 Jun, 2025

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 Katherine Gerrard are as mentioned below.

License NumberSpecializationStateStatus
07383Clinical Psychology MarylandPrimary
Case Manager/Care Coordinator 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 Katherine Gerrard
1211 S Conkling St Apt 356,
Baltimore, MD - 21224-5346
Phone: 513-319-4889

Book an Appointment with Dr. Mary Katherine Gerrard

To schedule an appointment, contact Dr. Mary Katherine Gerrard at 9810 Patuxent Woods Dr Ste F, Columbia, Maryland or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Dr. Mary Katherine Gerrard:

Dr. Mary Katherine Gerrard 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. Mary Katherine Gerrard 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 Katherine Gerrard practices at 9810 Patuxent Woods Dr Ste F, Columbia, Maryland, 21046-1595.

To schedule an appointment with Dr. Mary Katherine Gerrard, please contact the office at 443-923-3871.

Reviews & Feedback

Have you visited Dr. Mary Katherine Gerrard? Share your experience to help others looking for a psychologist in Columbia, MD.

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