Quick answers
- Does Thorarinn A. Bjarnason accept Medicare assignment?
- Yes. Medicare's clinician data says Thorarinn A. Bjarnason accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Thorarinn A. Bjarnason see?
- In 2024, CMS data shows 1,088 Original Medicare patients and 1,883 services for Thorarinn A. Bjarnason. This counts Original Medicare only and measures volume, not quality.
- What is Thorarinn A. Bjarnason's NPI number?
- 1811418536. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Thorarinn A. Bjarnason, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 1,088 |
|---|---|
| Services billed to Medicare | 1,883 |
| Different services or procedures | 44 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)581 services
- Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (93306)298 services
- Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision by physician (93016)72 services
- Exercise or drug-induced heart stress test with electrocardiogram (ecg) with review by physician (93018)72 services
- Nuclear medicine studies of heart muscle at rest and with stress and spect (78452)70 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease57%
- Atrial fibrillation53%
- Heart failure48%
- Arthritis46%
Hospitals where Thorarinn A. Bjarnason works
Medicare's Facility Affiliation Data lists Thorarinn A. Bjarnason at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Cary Medical CenterCaribou, ME · Acute Care Hospital · Medicare rating: 1 of 5 stars · Emergency services: listed by Medicare · CCN 200031
- Down East Community HospitalMachias, ME · Critical Access Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 201311
- Millinocket Regional HospitalMillinocket, ME · Critical Access Hospital · Emergency services: listed by Medicare · CCN 201307
- Northern Light Eastern Maine Medical CenterBangor, ME · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 200033
- Northern Light Mayo HospitalDover Foxcroft, ME · Critical Access Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 201309
Practice locations
Addresses where Thorarinn A. Bjarnason is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 9; the Medicare profile lists all.
- 1 Northeast Dr, Northern Light CardiologyBangor, ME 04401 (207) 275‑3800
- 234 State StBrewer, ME 04412 (207) 989‑0550
- 268 Stillwater AveBangor, ME 04401 (207) 973‑6100
- 302 Husson AveBangor, ME 04401 (207) 947‑6141
- 417 State StBangor, ME 04401
Group practices
Medicare enrollment lists Thorarinn A. Bjarnason as a member of these groups (CMS data updated October 2, 2026).
- Eastern Maine Medical Center624 clinicians in the group
- Acadia Hospital Corp.85 clinicians in the group
Specialties
Find other Cardiovascular Disease (Cardiology) doctors in Maine →
Other cardiologists in Bangor
Clinicians with the same Medicare primary specialty in Bangor, ME — not a recommendation.
Other clinicians in Eastern Maine Medical Center
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2014 (12 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1811418536 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians