Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Anthony G. Alessi, MD

Neurology Physician in Norwich, CT · enumerated 2006.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1174573612

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Registry record

Entity type Individual (Type 1)

Name Dr. Anthony G. Alessi

Credential MD

Sex Male

Practice address 330 Washington St, Suite 530, Norwich, CT, 06360

Phone (860) 889-3227

Fax (860) 889-3809

Enumeration date May 12, 2006

Last updated in NPPES Nov 7, 2022

Taxonomy & licenses

204C00000X Sports Medicine (Neuromusculoskeletal Medicine) Physician Allopathic & Osteopathic Physicians · License 027193 (CT) Secondary

2084N0400X Neurology Physician Allopathic & Osteopathic Physicians · License 027193 (CT) Primary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD 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.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for Anthony Alessi?

The National Provider Identifier (NPI) for Anthony Alessi is 1174573612, a Type 1 (individual) record in the CMS NPPES registry.

Where does Anthony Alessi practice?

The practice location on file with NPPES is in Norwich, CT. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

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Steven Powell Pulmonary Disease Physician · Norwich, CT NPI 1356338560 Kandhasamy Jagathambal Hematology & Oncology Physician · Norwich, CT NPI 1043295033 Anca Bulgaru Hematology & Oncology Physician · Norwich, CT NPI 1659356640 Dennis Slater Hematology (Internal Medicine) Physician · Norwich, CT NPI 1447235486 Robin Watson Nurse Practitioner · Norwich, CT NPI 1235114273 Eufronio Maderazo Infectious Disease Physician · Norwich, CT NPI 1639156151 Jyothirmayee Korivi Family Medicine Physician · Norwich, CT NPI 1780663112 Colleen Casey Family Medicine Physician · Norwich, CT NPI 1902885338

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2022-11-07.