Newly Listed Provider — this NPI profile has been added to the NPI registry within the last 90 days.

DR. RITA DIANN MERCER PSY.D.
NPI 1306766654
Psychologist - Clinical in Sykesville, MD

Active since July 17, 2026
7425 VILLAGE RD APT 20, SYKESVILLE, MD 21784(909) 702-5995 Get Directions Write a Review

NPPES record added: July 17, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. Rita Diann Mercer Psy.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. RITA DIANN MERCER PSY.D. (NPI 1306766654) is an individual clinical provider in Sykesville, Maryland, licensed in Maryland (A0806) and active in the NPI registry since July 2026.

NPPES Registry Identity

NPI1306766654
Entity TypeIndividualFemale
Primary Taxonomy103TC0700X
Provider Legal NameDR. RITA DIANN MERCERCredential: PSY.D.
Location Address7425 VILLAGE RD APT 20Sykesville, MD 21784-7425
Mailing Address7425 Village Rd Apt 20Sykesville, MD 21784-7425
Sole ProprietorYes
Enumeration DateJuly 17, 2026
NPPES CertifiedJuly 17, 2026
NPI 1306766654 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPsychologist · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code103TC0700X
License Licensed in MD · A0806
Definition
A psychologist who provides continuing and comprehensive mental and behavioral health care for individuals and families; consultation to agencies and communities; training, education and supervision; and research-based practice. It is a specialty in breadth -- one that is broadly inclusive of severe psychopathology -- and marked by comprehensiveness and integration of knowledge and skill from a broad array of disciplines within and outside of psychology proper. The scope of clinical psychology encompasses all ages, multiple diversities and varied systems.
7425 VILLAGE RD APT 20, Sykesville, MD 21784

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Rita Mercer's NPI number?

The NPI number for Rita Mercer is 1306766654. It was assigned to this individual provider in the NPPES registry on July 17, 2026.

Where is Rita Mercer located?

Rita Mercer practices at 7425 Village Rd Apt 20, Sykesville, MD 21784. The listed phone number is (909) 702-5995.

What is Rita Mercer's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in Clinical, with taxonomy code 103TC0700X.

When was this NPI record last updated?

The NPPES record for Rita Mercer was last updated on July 17, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 26 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.