Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Theoni H Calvert, PSY.D.
Clinical Psychologist in Mequon, WI · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1346258498
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Registry record
Entity type Individual (Type 1)
Name Dr. Theoni H Calvert
Credential PSY.D.
Sex Female
Practice address 11649 N Port Washington Rd, Ste 201, Mequon, WI, 53092
Phone (262) 789-1191
Fax (262) 478-0030
Enumeration date Aug 4, 2006
Last updated in NPPES Feb 20, 2018
Taxonomy & licenses
103TC0700X Clinical Psychologist Behavioral Health & Social Service Providers · License 2604-57 (WI) 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
What is the NPI number for Theoni Calvert?
The National Provider Identifier (NPI) for Theoni Calvert is 1346258498, a Type 1 (individual) record in the CMS NPPES registry.
Where does Theoni Calvert practice?
The practice location on file with NPPES is in Mequon, WI. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2018-02-20.