Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Maria G Master
Psychiatry Physician in Wayne, NJ · enumerated 2008.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1538329396
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Registry record
Entity type Individual (Type 1)
Name Maria G Master
Sex Female
Practice address 40 Hamilton Ave, Wayne, NJ, 07470
Phone (201) 618-3035
Enumeration date Jun 13, 2008
Last updated in NPPES Dec 18, 2018
Taxonomy & licenses
2084P0804X Child & Adolescent Psychiatry Physician Allopathic & Osteopathic Physicians · License 255715 (NY) Secondary
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 Maria Master?
The National Provider Identifier (NPI) for Maria Master is 1538329396, a Type 1 (individual) record in the CMS NPPES registry.
Where does Maria Master practice?
The practice location on file with NPPES is in Wayne, NJ. Providers can have multiple locations; NPPES lists the primary practice address.
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2018-12-18.