Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Spyridon Kantas MD PC

Internal Medicine Physician in Chelmsford, MA · enumerated 2006 · authorized official Spyridon Kantas, Owner.

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

National Provider Identifier

1659386548

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Registry record

Entity type Organization (Type 2)

Legal business name Spyridon Kantas MD PC

Practice address 23 Village Sq, Chelmsford, MA, 01824

Phone (978) 256-4121

Fax (978) 250-3210

Enumeration date Jul 29, 2006

Last updated in NPPES Sep 30, 2009

Taxonomy & classification

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians Primary

Authorized official

Name Spyridon Kantas

Title Owner

Phone (978) 256-4121

Other identifiers

Identifier	Type	State	Issuer
M18841	Other	MA	BLUE CROSS BLUE SHIELD

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

Where is Spyridon Kantas MD PC located?

The practice location on file with NPPES is in Chelmsford, MA.

How current is this record?

Data comes from the CMS NPPES public dissemination file; this record was last updated in NPPES on 2009-09-30. Verify at npiregistry.cms.hhs.gov.

Providers at this address

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Alden Gagnon Hematology (Internal Medicine) Physician · Chelmsford, MA NPI 1912966011 Deirdre Connolly Family Medicine Physician · Chelmsford, MA NPI 1124076120 Holly Powderly Nurse Practitioner · Chelmsford, MA NPI 1619209053

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2009-09-30.