Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Deirdre O'Malley, PSY.D.
Psychologist in Ridgewood, NJ · enumerated 2011.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1245539147
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Registry record
Entity type Individual (Type 1)
Name Dr. Deirdre O'Malley
Credential PSY.D.
Sex Female
Practice address 1 Prospect St, Ridgewood, NJ, 07450
Phone (201) 447-2242
Fax (201) 447-4377
Enumeration date Mar 18, 2011
Last updated in NPPES Mar 18, 2011
Taxonomy & licenses
PSYD · Doctor of Psychology: A clinical doctorate in psychology focused on professional practice.
About the PSYD credential
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.
Frequently asked questions
Where does Deirdre O'Malley practice?
The practice location on file with NPPES is in Ridgewood, NJ. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Deirdre O'Malley?
The National Provider Identifier (NPI) for Deirdre O'Malley is 1245539147, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all → Carroll Arkema Psychoanalyst · Ridgewood, NJ NPI 1841387834 Nancy Just Clinical Psychologist · Ridgewood, NJ NPI 1275666562 Ellen Reicher Clinical Psychologist · Ridgewood, NJ NPI 1740304799 Ilana Rosenberg Clinical Psychologist · Ridgewood, NJ NPI 1770778110 Yvonne Hansen Psychologist · Ridgewood, NJ NPI 1609028232 Jessica Kornwasser Clinical Psychologist · Ridgewood, NJ NPI 1043458862 Andrea Riskin Clinical Psychologist · Ridgewood, NJ NPI 1992029995
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2011-03-18.