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John J Guerin, M.D.

Cardiovascular Disease Physician in Falmouth, MA · enumerated 2006.

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

National Provider Identifier

1740391432

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Registry record

Entity type Individual (Type 1)
Name John J Guerin
Credential M.D.
Sex Male
Practice address 90 Ter Heun Dr, Suite 300, Falmouth, MA, 02540
Phone (508) 540-0604
Fax (508) 457-0129
Enumeration date Aug 31, 2006
Last updated in NPPES Mar 18, 2009

Taxonomy & licenses

207RC0000X Cardiovascular Disease Physician Allopathic & Osteopathic Physicians · License 79325 (MA) Primary
207RI0011X Interventional Cardiology Physician Allopathic & Osteopathic Physicians · License 79325 (MA) Secondary
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.

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Frequently asked questions

What is the NPI number for John Guerin?
The National Provider Identifier (NPI) for John Guerin is 1740391432, a Type 1 (individual) record in the CMS NPPES registry.
Where does John Guerin practice?
The practice location on file with NPPES is in Falmouth, MA. Providers can have multiple locations; NPPES lists the primary practice address.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2009-03-18.