Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
David Shack
Psychologist in Farmington, CT · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1811942402
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Registry record
Entity type Individual (Type 1)
Name David Shack
Sex Male
Practice address 270 Farmington Ave, Suite 309, Farmington, CT, 06032
Phone (860) 677-5570
Enumeration date May 23, 2006
Last updated in NPPES Jul 8, 2007
Taxonomy & licenses
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 David Shack?
The National Provider Identifier (NPI) for David Shack is 1811942402, a Type 1 (individual) record in the CMS NPPES registry.
Where does David Shack practice?
The practice location on file with NPPES is in Farmington, CT. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Brian Lewton Athletic Trainer · Farmington, CT NPI 1609854694 Kelly Massucci Specialist · Farmington, CT NPI 1013976703 Connecticut Mental Health Specialists Inc Psychiatry Physician · Farmington, CT NPI 1053362814 Cynthia Nye Clinical Psychologist · Farmington, CT NPI 1124070362 Beth Zukowski Clinical Social Worker · Farmington, CT NPI 1598716128 Connectic Ut Mental Health Services Clinical Social Worker · Farmington, CT NPI 1073565198 Penny Yellen Clinical Social Worker · Farmington, CT NPI 1750333829 Meryl Danitz Clinical Social Worker · Farmington, CT NPI 1770536484
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.