Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Zachary Marowitz, PHD
Psychologist in Springfield, MA · enumerated 2007.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1801929906
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Registry record
Entity type Individual (Type 1)
Name Zachary Marowitz
Credential PHD
Sex Male
Practice address 3300 Main St, Springfield, MA, 01199
Phone (413) 794-7035
Enumeration date Mar 14, 2007
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
What is the NPI number for Zachary Marowitz?
The National Provider Identifier (NPI) for Zachary Marowitz is 1801929906, a Type 1 (individual) record in the CMS NPPES registry.
Where does Zachary Marowitz practice?
The practice location on file with NPPES is in Springfield, MA. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Claire Magauran Infectious Disease Physician · Springfield, MA NPI 1235110974 Patricia Dauley Medical Physician Assistant · Springfield, MA NPI 1578533501 J Peterman Cardiovascular Disease Physician · Springfield, MA NPI 1336107002 Andrew Artenstein Infectious Disease Physician · Springfield, MA NPI 1316995277 Dennis O'Brien Medical Physician Assistant · Springfield, MA NPI 1407895956 Lindsey Grossman Pediatrics Physician · Springfield, MA NPI 1487696928 Donna O'Shea Reproductive Endocrinology Physician · Springfield, MA NPI 1669406302 Nancy Miller Pediatrics Physician · Springfield, MA NPI 1508889304
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.