Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Dennis L Hilker, PHD
Psychologist in Silver Spring, MD · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1588606099
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Registry record
Entity type Individual (Type 1)
Name Dr. Dennis L Hilker
Credential PHD
Sex Male
Practice address 11215 Oak Leaf Dr, Suite 108, Silver Spring, MD, 20901
Phone (301) 593-1315
Fax (301) 681-4699
Enumeration date Jun 11, 2006
Last updated in NPPES Jul 8, 2007
Taxonomy & licenses
PHD · Doctor of Philosophy: A doctoral degree; in healthcare often held by clinical psychologists and researchers.
About the PHD 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 Dennis Hilker practice?
The practice location on file with NPPES is in Silver Spring, MD. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Dennis Hilker?
The National Provider Identifier (NPI) for Dennis Hilker is 1588606099, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all → Nadine Lavender-Petersen Clinical Social Worker · Silver Spring, MD NPI 1487699088 Joann Thacker Psychologist · Silver Spring, MD NPI 1205862406 Susan Blum Clinical Psychologist · Silver Spring, MD NPI 1326075938 Susan Klein Clinical Psychologist · Silver Spring, MD NPI 1689603292 Catherine Bergmann Psychologist · Silver Spring, MD NPI 1033149562 Melvin J Stern MD PA Psychiatry Physician · Silver Spring, MD NPI 1245246008 Glenn Hogan Psychologist · Silver Spring, MD NPI 1942312046 Deborah Schmidt Clinical Psychologist · Silver Spring, MD NPI 1992890065
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.