Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Andrew Giles Markman Guzick, PH.D.
Psychologist in Fort Washington, PA · enumerated 2021.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1861069882
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Registry record
Entity type Individual (Type 1)
Name Dr. Andrew Giles Markman Guzick
Credential PH.D.
Sex Male
Practice address 500 Office Suite Drive, Suite 400, Fort Washington, PA, 19034
Phone (215) 259-8234
Enumeration date Jun 8, 2021
Last updated in NPPES Jan 31, 2025
Taxonomy & licenses
103T00000X Psychologist Behavioral Health & Social Service Providers · License PS019601 (PA) Primary
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
What is the NPI number for Andrew Markman Guzick?
The National Provider Identifier (NPI) for Andrew Markman Guzick is 1861069882, a Type 1 (individual) record in the CMS NPPES registry.
Where does Andrew Markman Guzick practice?
The practice location on file with NPPES is in Fort Washington, PA. Providers can have multiple locations; NPPES lists the primary practice address.
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-01-31.