Dr. John J. Guerin, MD

  • Falmouth, MA
  • Cardiologist
NPI1740391432
Medicare services, 2023
6,848
Part D claims, 2024
752
MIPS score, 2024
76
Hospital affiliations
1
Industry payments
$578
Practice address
67 & 100 Ter Heun Drive, Falmouth, MA 02540
Practice phone
Call (508) 548-5300
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Falmouth Hospital

Hospital · Falmouth, Massachusetts

See all 5 affiliations

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Dr. John J. Guerin is a cardiologist in Falmouth, Massachusetts

Dr. Guerin practices at Falmouth Hospital in Falmouth, Massachusetts, part of Cape Cod Healthcare.

Dr. Guerin's NPI, 1740391432, was assigned on August 31, 2006. Dr. Guerin graduated from Icahn School Of Medicine At Mount Sinai in 1987. Dr. Guerin's Massachusetts license number on file is 79325.

NPI and contact details
NPI enumeration date
August 31, 2006
NPI status
Active
Practice phone
(508) 548-5300
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
65
Medical school graduation
1987

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data

Dr. John J. Guerin practices at 2 locations in Falmouth, Massachusetts

Dr. Guerin's primary practice is Falmouth Hospital, at 67 & 100 Ter Heun Drive, Falmouth, MA 02540 in Barnstable County. The practice phone is (508) 548-5300. The NPI Registry lists Dr. Guerin's practice address as 100 Ter Heun Dr, Falmouth, MA 02540.

  • Falmouth HospitalPrimary
    67 & 100 Ter Heun Drive, Falmouth, MA 02540 · Barnstable CountyPhone(508) 548-5300
  • NPI Registry address
    100 Ter Heun Dr, Falmouth, MA 02540 · Barnstable CountyPhone(508) 540-0604

Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; and Dmand AI Practice Data

Dr. John J. Guerin is affiliated with 3 sites of care and 2 medical groups

Dr. Guerin's primary practice is Falmouth Hospital in Falmouth, Massachusetts, part of Cape Cod Healthcare. The medical group on file is Medical Affiliates of Cape Cod (MACC). Dmand AI also links Dr. Guerin to 2 more group practices and clinics and 1 medical group, each named with a free account.

See all 5 affiliations for Dr. Guerin

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. John J. Guerin's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Guerin practices, 3 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Falmouth HospitalAvailable with a free account
+2 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. John J. Guerin is one of 840 cardiologists in Massachusetts

Cardiovascular disease is Dr. Guerin's primary specialty in the NPI Registry, under taxonomy code 207RC0000X. Dr. Guerin has a license on file in Massachusetts.

Specialties and state licenses

  • Cardiovascular disease, MassachusettsPrimaryLicense 79325 · 1994 to 2025 · taxonomy 207RC0000X

Clinical focus

Dmand AI lists aneurysm, aortic atherosclerois, atherosclerosis, atrial fibrillation and flutter, cardiac arrhythmia, cardiomyopathy, chest pain and chronic hypertension among the conditions Dr. Guerin treats.

Cardiologists near Dr. Guerin

Counts of cardiologists with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. John J. Guerin billed Medicare for 6,848 services in 2023

CMS data shows 6,848 Medicare services from Dr. Guerin across 21 procedure codes in 2023. Medicare paid $265,483 for them.

Medicare services, 20236,848
Paid by Medicare$265,483
Procedure codes21

Dr. Guerin's Medicare services by type, 2022 to 2023

  • 2022
  • 2023
Tests and treatments
2022: 5,6442023: 4,71217%
Office and hospital visits
2022: 2,4282023: 1,99718%
Imaging
2022: 1622023: 13914%
Lab and pathology
2022: 112023: 0100%
Surgery
2022: 232023: 0100%

Where Dr. Guerin's Medicare services took place, 2023

  • In an office4,27862%
  • In a facility2,57038%

Dr. Guerin compared with the Massachusetts median for cardiologists, 2023

  • Dr. Guerin
  • Massachusetts median
Medicare services
6,848vs 1,6124.2 times
Part D claims
584vs 84631% below

Medians across 817 cardiologists in Massachusetts with Dmand AI profiles that report each measure.

Dr. Guerin's most billed Medicare procedure codes, 2023

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Guerin

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. John J. Guerin's patients have a median age of 74

Across all payers, Dmand AI patient panel data puts Dr. Guerin's median patient age at 74, with 43% women.

Dr. Guerin's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 74

Patient panel by sex, all payers

  • Women43%
  • Men57%

Source: Dmand AI Patient Panel Data

Dr. John J. Guerin wrote 752 Medicare Part D claims in 2024

In 2024, Dr. Guerin wrote 752 Medicare Part D claims for 339 patients. 87% of them were for generic drugs. CMS names the drug for 584 of them, across 18 drugs with 11 or more claims each, at $112,607 in total drug cost. In 2023, CMS named 4,206 claims across 50 drugs.

Part D claims, 2024752
Drugs named by CMS18
Total drug cost$112,607
Part D patients339

Dr. Guerin's Part D claims by kind of drug, 2024

  • Generic655 claims87%
  • Brand-name97 claims13%

Dr. Guerin's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 4,2062024: 58486%

Drugs named by CMS: 18 in 2024, 50 in 2023.

See all prescribing by Dr. Guerin

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

Dr. John J. Guerin scored 76 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 76 out of 100 for Dr. Guerin for performance year 2024, reported as part of a group.

Dr. Guerin's MIPS scores, performance year 2024

  • 76of 100Final score
  • 56.8of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Source: Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026

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Dr. John J. Guerin received $578 in industry payments from 2019 to 2023

CMS Open Payments shows 9 general payments to Dr. Guerin from 5 drug and device companies from 2019 to 2023. Debt forgiveness make up the largest share, 68% of the total. Welch Allyn paid the most, $393.

General payments to Dr. Guerin by program year, 2019 to 2023

General payments to Dr. Guerin by kind, 2019 to 2023

$578in total
  • Debt forgiveness$39368%
  • Food and beverage$18632%

Companies that paid Dr. Guerin the most, 2019 to 2023

Share is of all general payments to this clinician.

See all payments to Dr. Guerin

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. John J. Guerin has 2 awards and honors on record

Dmand AI lists 2 awards for Dr. Guerin, most recently CMS Stage 1 EHR in 2013.

Awards and honors for Dr. Guerin

  1. 2013
    • CMS Stage 1 EHR
  2. 2011
    • ACC Fellow

Source: Dmand AI Professional Profile Data

Dr. John J. Guerin graduated from Icahn School Of Medicine At Mount Sinai

Dr. Guerin graduated from Icahn School Of Medicine At Mount Sinai in 1987. Dr. Guerin is a member of ACC.

  1. Medical schoolIcahn School Of Medicine At Mount Sinai

Source: Dmand AI Professional Profile Data

Dr. John J. Guerin accepts plans from 3 insurance carriers

Dr. Guerin is in network with 3 carriers, including Excellus BlueCross BlueShield, Cigna and RI State Medicaid. PPO plans come from the most carriers, 2. Check the plan with the practice before a visit.

  • Excellus BlueCross BlueShield
  • Cigna
  • RI State Medicaid

Plan types Dr. Guerin accepts, by number of carriers

  1. PPO2
  2. EPO1
  3. HMO1
  4. Medicaid1
  5. Medicare1
  6. POS1

Source: Dmand AI Insurance Network Data

Sources for Dr. John J. Guerin's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Affiliation DataDmand AI Practice Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesClinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Awards and committee rolesDmand AI Professional Profile Data
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. John J. Guerin

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. John J. Guerin's NPI number?

Dr. John J. Guerin's NPI number is 1740391432. It was assigned on August 31, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. John J. Guerin?

Dr. John J. Guerin is a cardiologist in Falmouth, Massachusetts. The primary specialty in the NPI Registry is Cardiovascular Disease Physician (taxonomy code 207RC0000X).

Where does Dr. John J. Guerin practice?

Dr. Guerin practices at 67 & 100 Ter Heun Drive, Falmouth, MA 02540. Dr. Guerin also practices at 100 Ter Heun Dr, Falmouth, MA 02540. Dr. Guerin's primary practice is Falmouth Hospital in Falmouth, Massachusetts, part of Cape Cod Healthcare. Dmand AI also links Dr. Guerin to 2 group practices and clinics and 1 medical group.

What is Dr. John J. Guerin's office phone number?

The practice phone on file for Dr. Guerin is (508) 548-5300.

What is Dr. John J. Guerin's medical license number?

Dr. Guerin's Massachusetts license number on file is 79325.

Which hospitals is Dr. John J. Guerin affiliated with?

Dr. Guerin practices at Falmouth Hospital in Falmouth, Massachusetts.

What medical group is Dr. John J. Guerin part of?

Dr. Guerin is linked to Medical Affiliates of Cape Cod (MACC). Dmand AI links Dr. Guerin to 1 more medical group.

Does Dr. John J. Guerin accept Medicare?

Yes. CMS data shows Dr. Guerin billed Medicare for 6,848 services in 2023.

What is Dr. John J. Guerin's MIPS score?

Dr. Guerin's MIPS final score for performance year 2024 is 76 out of 100, reported as part of a group.

What services does Dr. John J. Guerin bill to Medicare?

In 2023, Dr. Guerin's most billed Medicare services were office visit, established patient (99214), heart test or procedure (93000) and heart test or procedure (93010).

Show 5 more questionsShow fewer questions

Where did Dr. John J. Guerin go to medical school?

Dr. Guerin graduated from Icahn School Of Medicine At Mount Sinai in 1987.

What drugs does Dr. John J. Guerin prescribe most?

In 2024 Medicare Part D data, Dr. Guerin's most prescribed drugs by claims were Metoprolol Succinate, Atorvastatin Calcium and Losartan Potassium.

Has Dr. John J. Guerin received payments from drug or device companies?

CMS Open Payments shows $578 in general payments to Dr. Guerin from 5 companies from 2019 to 2023. The largest total came from Welch Allyn.

How long has Dr. John J. Guerin been practicing?

Dr. Guerin graduated from medical school in 1987, 39 years ago.

What insurance does Dr. John J. Guerin accept?

Dr. Guerin is in network with 3 carriers, including Excellus BlueCross BlueShield, Cigna and RI State Medicaid. PPO plans come from the most carriers, 2. Check the plan with the practice before a visit.

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