Dr. Sverrir I. Gunnarsson, MD

  • Bangor, ME
  • Cardiologist
NPI1013205244
Medicare services, 2024
814
Medicare patients, 2024
482
Part D claims, 2024
110
Publications
10
MIPS score, 2024
89
Practice address
489 State Street, Bangor, ME 04401
Practice phone
Call (207) 973-7000
Professional email
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Personal email
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Mobile number
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Social profiles

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Dr. Sverrir I. Gunnarsson is a cardiologist in Bangor, Maine

Dr. Gunnarsson practices at Northern Light Eastern Maine Medical Center in Bangor, Maine, part of Northern Light Health.

Dr. Gunnarsson's NPI, 1013205244, was assigned on July 21, 2011. Dr. Gunnarsson holds Maine license MD21910.

NPI and contact details
NPI enumeration date
July 21, 2011
NPI status
Active
Practice phone
(207) 973-7000
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
44
Medical school graduation
2008

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

Dr. Sverrir I. Gunnarsson practices at Northern Light Eastern Maine Medical Center in Bangor, Maine

Dr. Gunnarsson's primary practice is Northern Light Eastern Maine Medical Center, at 489 State Street, Bangor, ME 04401 in Penobscot County. The practice phone is (207) 973-7000.

Source: Dmand AI Affiliation Data

Dr. Sverrir I. Gunnarsson is affiliated with 4 sites of care and 6 medical groups

Dr. Gunnarsson's primary practice is Northern Light Eastern Maine Medical Center in Bangor, Maine, part of Northern Light Health. The medical group on file is Northern Light Eastern Maine Medical Center. Dmand AI also links Dr. Gunnarsson to 5 more medical groups, 2 group practices and clinics and 1 breast imaging center, each named with a free account. Dr. Gunnarsson's employer is on file too: a hospital.

See all 10 affiliations for Dr. Gunnarsson

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

Dmand AI tracks the EHR system at Dr. Sverrir I. Gunnarsson's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Gunnarsson practices, 4 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Northern Light Eastern Maine Medical CenterAvailable with a free account
+3 more sites and 5 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Sverrir I. Gunnarsson is one of 153 cardiologists in Maine

Cardiovascular disease is Dr. Gunnarsson's primary specialty in the NPI Registry, under taxonomy code 207RC0000X. Dmand AI has Dr. Gunnarsson's licenses on file in 2 states: Maine and Wisconsin.

Specialties and state licenses

  • Cardiovascular disease, MainePrimaryLicense MD21910 · taxonomy 207RC0000X
  • Wisconsin licenseLicense 59903

Cardiologists near Dr. Gunnarsson

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. Sverrir I. Gunnarsson billed Medicare for 814 services in 2024

CMS data shows 814 Medicare services from Dr. Gunnarsson across 17 procedure codes in 2024, for 482 Medicare patients. Medicare paid $31,636 for them.

Medicare services, 2024814
Medicare patients482
Paid by Medicare$31,636
Procedure codes17

Dr. Gunnarsson's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Tests and treatments
2023: 1,5132024: 60360%
Office and hospital visits
2023: 1422024: 1506%
Imaging
2023: 762024: 6120%

Where Dr. Gunnarsson's Medicare services took place, 2024

  • In an office223%
  • In a facility79297%

Dr. Gunnarsson compared with the Maine median for cardiologists, 2024

  • Dr. Gunnarsson
  • Maine median
Medicare services
814vs 1,13128% below
Medicare patients
482vs 76437% below
Part D claims
12vs 60098% below

Medians across 154 cardiologists in Maine with Dmand AI profiles that report each measure.

Dr. Gunnarsson's most billed Medicare procedure codes, 2024

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. Gunnarsson

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

Dr. Sverrir I. Gunnarsson treated 482 Medicare patients in 2024, average age 76

CMS counts 482 Medicare patients who saw Dr. Gunnarsson in 2024. The largest group is 75 to 84, with 180 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 31% are also on Medicaid. Their average risk score is 1.85, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Gunnarsson's median patient age at 72, with 42% women.

Medicare patients, 2024482
Average age76
Average risk score1.85
Also on Medicaid31%

Dr. Gunnarsson's Medicare patients by age, 2024

Dr. Gunnarsson's Medicare patients by sex, 2024

  • Women21144%
  • Men27156%

Chronic conditions among Dr. Gunnarsson's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Ischemic heart disease61%
  4. Atrial fibrillation55%
  5. Heart failure55%
  6. Arthritis49%
  7. Chronic kidney disease44%
  8. Diabetes42%

Share of Medicare patients with each condition. A patient can have several.

Dr. Gunnarsson's patients across all payers

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

Patient panel by age, all payers

Median age 72

Patient panel by sex, all payers

  • Women42%
  • Men58%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Sverrir I. Gunnarsson wrote 110 Medicare Part D claims in 2024

In 2024, Dr. Gunnarsson wrote 110 Medicare Part D claims for 39 patients. 66% of them were for generic drugs. CMS names the drug for 12 of them, across 1 drug with 11 or more claims each, at $10,206 in total drug cost. In 2023, CMS named 170 claims across 9 drugs.

Part D claims, 2024110
Drugs named by CMS1
Total drug cost$10,206
Part D patients39

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

  • Generic73 claims66%
  • Brand-name37 claims34%

Dr. Gunnarsson'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: 1702024: 1293%

Drugs named by CMS: 1 in 2024, 9 in 2023.

See all prescribing by Dr. Gunnarsson

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. Sverrir I. Gunnarsson scored 89 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 89 out of 100 for Dr. Gunnarsson for performance year 2024, reported as part of a group.

Dr. Gunnarsson's MIPS scores, performance year 2024

  • 89of 100Final score
  • 74.1of 100Quality
  • 95of 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. Sverrir I. Gunnarsson has 10 publications on record

Dmand AI links 10 papers to Dr. Gunnarsson, published from 2013 to 2020. 2014 was the busiest year, with 2. The most frequent topics are Iceland, Asymptomatic Diseases and Carotid Artery Diseases. Dr. Gunnarsson has published most often in J Fish Biol. Dr. Gunnarsson's most frequent co-authors are Ravi Dhingra, MD, MPH, David P. Foley, MD and Shahyar M. Gharacholou, MD.

Papers10
Years published2013 to 2020

Dr. Gunnarsson's papers by year, 2013 to 2020

Topics Dr. Gunnarsson writes about most

  • Iceland
  • Asymptomatic Diseases
  • Carotid Artery Diseases
  • Carotid Intima-Media Thickness
  • Leptin
  • Osmoregulation
  • Plaque, Atherosclerotic
  • Pneumonectomy

Dr. Gunnarsson's most frequent co-authors

Recent publications by Dr. Gunnarsson

See all 10 publications and co-authors

See who Dr. Gunnarsson researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Gunnarsson works with, so you can find a warm path to the right cardiologists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Sverrir I. Gunnarsson received $2,185 in industry payments from 2019 to 2023

CMS Open Payments shows 14 general payments to Dr. Gunnarsson from 3 drug and device companies from 2019 to 2023. Travel and lodging make up the largest share, 60% of the total. Abbott Laboratories paid the most, $2,134.

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

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

$2.2Kin total
  • Travel and lodging$1,30760%
  • Food and beverage$87840%

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

Share is of all general payments to this clinician.

See all payments to Dr. Gunnarsson

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

Sources for Dr. Sverrir I. Gunnarsson'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 phoneDmand AI Affiliation 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 DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
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)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
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. Sverrir I. Gunnarsson

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. Sverrir I. Gunnarsson's NPI number?

Dr. Sverrir I. Gunnarsson's NPI number is 1013205244. It was assigned on July 21, 2011, and it is active in the NPI Registry.

What kind of doctor is Dr. Sverrir I. Gunnarsson?

Dr. Sverrir I. Gunnarsson is a cardiologist in Bangor, Maine. The primary specialty in the NPI Registry is Cardiovascular Disease Physician (taxonomy code 207RC0000X).

Where does Dr. Sverrir I. Gunnarsson practice?

Dr. Gunnarsson practices at 489 State Street, Bangor, ME 04401. Dr. Gunnarsson's primary practice is Northern Light Eastern Maine Medical Center in Bangor, Maine, part of Northern Light Health. Dmand AI also links Dr. Gunnarsson to 5 medical groups, 2 group practices and clinics and 1 breast imaging center.

What is Dr. Sverrir I. Gunnarsson's office phone number?

The practice phone on file for Dr. Gunnarsson is (207) 973-7000.

What is Dr. Sverrir I. Gunnarsson's medical license number?

Dr. Gunnarsson holds Maine license MD21910, one of the licenses on file in 2 states.

Which states has Dr. Sverrir I. Gunnarsson been licensed in?

Dmand AI has state licenses on file for Dr. Gunnarsson in Maine and Wisconsin.

Which hospitals is Dr. Sverrir I. Gunnarsson affiliated with?

Dr. Gunnarsson practices at Northern Light Eastern Maine Medical Center in Bangor, Maine.

What medical group is Dr. Sverrir I. Gunnarsson part of?

Dr. Gunnarsson is linked to Northern Light Eastern Maine Medical Center. Dmand AI links Dr. Gunnarsson to 5 more medical groups.

Does Dr. Sverrir I. Gunnarsson accept Medicare?

Yes. CMS data shows Dr. Gunnarsson billed Medicare for 814 services in 2024.

What is Dr. Sverrir I. Gunnarsson's MIPS score?

Dr. Gunnarsson's MIPS final score for performance year 2024 is 89 out of 100, reported as part of a group.

Show 7 more questionsShow fewer questions

How many Medicare patients does Dr. Sverrir I. Gunnarsson see?

CMS counts 482 Medicare patients who saw Dr. Gunnarsson in 2024, with an average age of 76.

What services does Dr. Sverrir I. Gunnarsson bill to Medicare?

In 2024, Dr. Gunnarsson's most billed Medicare services were heart test or procedure (93306), heart test or procedure (93010) and hospital inpatient care (99232).

What drugs does Dr. Sverrir I. Gunnarsson prescribe most?

In 2024 Medicare Part D data, Dr. Gunnarsson's most prescribed drugs by claims were Entresto.

Has Dr. Sverrir I. Gunnarsson received payments from drug or device companies?

CMS Open Payments shows $2,185 in general payments to Dr. Gunnarsson from 3 companies from 2019 to 2023. The largest total came from Abbott Laboratories.

How long has Dr. Sverrir I. Gunnarsson been practicing?

Dr. Gunnarsson graduated from medical school in 2008, 18 years ago.

Does Dr. Sverrir I. Gunnarsson do research?

Dmand AI links 10 publications to Dr. Gunnarsson, published from 2013 to 2020.

Who does Dr. Sverrir I. Gunnarsson publish with?

Dr. Gunnarsson's most frequent co-authors are Ravi Dhingra, MD, MPH (1 shared paper), David P. Foley, MD (1 shared paper) and Shahyar M. Gharacholou, MD (1 shared paper).

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