Psychologist | Clinical Psychology

Dr. Rita Diann Mercer, PSY.D.

7425 Village Rd Apt 20, Sykesville, Maryland, 21784-7425

About Dr. Rita Diann Mercer

Dr. Rita Diann Mercer is a psychologist based in Sykesville, Maryland who is specialized in Clinical Psychology. Active license number of Dr. Rita Diann Mercer is A0806 for Clinical Psychology in Maryland. Her current practice location is 7425 Village Rd Apt 20, Sykesville. Patients can contact her at 909-702-5995. Dr. Rita Diann Mercer, PSY.D., specializes in Clinical Psychology and her NPI number (Unique professional ID assigned by NPPES) is 1306766654.

Dr. Rita Diann Mercer 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.

Practice Information

Dr. Rita Diann Mercer'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. Rita Diann Mercer
Specialization Clinical Psychology
Credentials PSY.D.
Gender Female
Practice Address: 7425 Village Rd Apt 20,
Sykesville, MD - 21784-7425

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 Number1306766654
NPI Enumeration Date: 17 Jul, 2026
NPI Last Update On: 17 Jul, 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. Rita Diann Mercer are as mentioned below.

License NumberSpecializationStateStatus
A0806Clinical 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. Rita Diann Mercer
7425 Village Rd Apt 20,
Sykesville, MD - 21784-7425

Book an Appointment with Dr. Rita Diann Mercer

To schedule an appointment, contact Dr. Rita Diann Mercer at 7425 Village Rd Apt 20, Sykesville, Maryland or call the phone number listed below.

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Frequently Asked Questions

Below are some commonly asked questions about Dr. Rita Diann Mercer:

Dr. Rita Diann Mercer 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. Rita Diann Mercer 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. Rita Diann Mercer practices at 7425 Village Rd Apt 20, Sykesville, Maryland, 21784-7425.

To schedule an appointment with Dr. Rita Diann Mercer, please contact the office at 909-702-5995.

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