John Guerin, M.D.
NPI 1740391432 · Cardiovascular Disease Physician · Falmouth, MA
Enrolled with Medicare as Practitioner - Cardiovascular Disease (cardiology) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Guerin, M.D. is a Cardiovascular Disease Physician provider in Falmouth, MA (NPI 1740391432).
Provider details
- NPI number
- 1740391432
- Entity type
- Individual
- Primary specialty
- Cardiovascular Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 79325 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 18 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Metoprolol Succinate | 74 | 52 |
| Atorvastatin Calcium | 67 | 43 |
| Losartan Potassium | 55 | 37 |
| Apixabanbrand: Eliquis | 45 | 28 |
| Amlodipine Besylate | 43 | 28 |
| Lisinopril | 42 | 32 |
| Furosemide |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-08-31
- Last updated
- 2009-03-18
Frequently asked questions
- What is John Guerin's NPI number?
- John Guerin's National Provider Identifier (NPI) is 1740391432, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Guerin's specialty?
- John Guerin is listed in the NPPES registry with a primary specialty of Cardiovascular Disease Physician (Allopathic & Osteopathic Physicians).
- Where is John Guerin located?
- John Guerin's practice location on file with NPPES is 90 Ter Heun Dr, Falmouth, MA 02540-2533.
- What is John Guerin's phone number?
- The practice phone number listed in the NPPES registry for John Guerin is (508) 540-0604.
- Does John Guerin accept Medicare?
- John Guerin is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Guerin's NPI active?
- Yes — John Guerin's NPI (1740391432) is active in the NPPES registry as of the last update on 2009-03-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.