Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Mr. Anthony C. Giannuzzi, PA-C
Physician Assistant in Stamford, CT · enumerated 2013.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1649518978
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Registry record
Entity type Individual (Type 1)
Name Mr. Anthony C. Giannuzzi
Credential PA-C
Sex Male
Practice address 30 Shelburne Rd, Stamford Hospital, Stamford, CT, 06902
Phone (203) 276-1000
Enumeration date Jan 22, 2013
Last updated in NPPES Jul 13, 2013
Taxonomy & licenses
363A00000X Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License 002814 (CT) Primary
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 Anthony Giannuzzi?
The National Provider Identifier (NPI) for Anthony Giannuzzi is 1649518978, a Type 1 (individual) record in the CMS NPPES registry.
Where does Anthony Giannuzzi practice?
The practice location on file with NPPES is in Stamford, CT. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Bo Xu Anatomic Pathology Physician · Stamford, CT NPI 1558351759 Alicia Ribas Pharmacotherapy Pharmacist · Stamford, CT NPI 1134106685 Robert Babkowski Anatomic Pathology & Clinical Pathology Physician · Stamford, CT NPI 1124006341 Kevin Dwyer Surgical Critical Care Physician · Stamford, CT NPI 1417923210 Kristin Edwards Internal Medicine Physician · Stamford, CT NPI 1346203213 Raymond Baer Anatomic Pathology & Clinical Pathology Physician · Stamford, CT NPI 1609829217 Miriam Ambalu Emergency Medicine Physician · Stamford, CT NPI 1639126576 Augusto Podesta Anatomic Pathology & Clinical Pathology Physician · Stamford, CT NPI 1073552642
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2013-07-13.