Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Andrew Sonnekalb, PSYD
Clinical Psychologist in Newton, MA · enumerated 2009.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1669705141
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Registry record
Entity type Individual (Type 1)
Name Andrew Sonnekalb
Credential PSYD
Sex Male
Practice address 44 Thornton St, Newton, MA, 02458
Phone (617) 500-1841
Enumeration date Sep 15, 2009
Last updated in NPPES Jan 24, 2019
Taxonomy & licenses
103TC0700X Clinical Psychologist Behavioral Health & Social Service Providers · License 10178 (MA) Primary
PSYD · Doctor of Psychology: A clinical doctorate in psychology focused on professional practice.
About the PSYD 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 Andrew Sonnekalb practice?
The practice location on file with NPPES is in Newton, MA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Andrew Sonnekalb?
The National Provider Identifier (NPI) for Andrew Sonnekalb is 1669705141, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2019-01-24.