NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Peter George Hasapis, MD

Internal Medicine Physician in New Canaan, CT · enumerated 2006.

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

National Provider Identifier

1720154354

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)
Name Peter George Hasapis
Credential MD
Sex Male
Practice address 173 East Avenue, New Canaan, CT, 06840
Fax (203) 972-6345
Enumeration date Nov 27, 2006
Last updated in NPPES Jul 8, 2007

Taxonomy & licenses

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License 038777 (CT) Primary
MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

Other identifiers

Identifier Type State Issuer
P20684US Other - OXFORD
3387592 Other - CIGNA
7610180 Other - AETNA
00138777001 Other - HUSKEY
010038777CT02 Other - ANTHEM BC
00002021666 Other - UHC

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 Peter Hasapis?
The National Provider Identifier (NPI) for Peter Hasapis is 1720154354, a Type 1 (individual) record in the CMS NPPES registry.
Where does Peter Hasapis practice?
The practice location on file with NPPES is in New Canaan, CT. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

Browse all →

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.