Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Charles Daniel Brown, PH.D.
Psychologist in Newton, MA · enumerated 2005.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1609860881
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Registry record
Entity type Individual (Type 1)
Name Charles Daniel Brown
Credential PH.D.
Sex Male
Practice address 312 Woodcliff Rd, Newton, MA, 02461
Phone (617) 244-9197
Enumeration date Sep 2, 2005
Last updated in NPPES Sep 11, 2025
Taxonomy & licenses
103TC2200X Clinical Child & Adolescent Psychologist Behavioral Health & Social Service Providers · License PY 2853 PR (MA) Secondary
103T00000X Psychologist Behavioral Health & Social Service Providers · License PY 2853 PR (MA) 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
Is this the official NPI registry?
No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.
What specialty is Charles Brown?
Charles Brown is registered in NPPES with the primary taxonomy of Psychologist. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-09-11.