Dr. Thorvardur Halfdanarson, M.D.
Medical Oncology
20+
Years in Practice
Available
Telehealth
Practice Locations
10 locations
Mayo Clinic
200 1st St Sw, Rochester, Minnesota, 55905
(507) 284-2511
Mayo Clinic
200 1st St Sw, Rochester, Minnesota, 55905
Mayo Clinic
200 1st St Sw, Rochester, Minnesota, 55905
(507) 284-2512
Third Optometric Care Of California
180 El Cerrito Plz, El Cerrito, California, 94530
(510) 526-2242
Mayo Clinic Health System-southeast Minnesota Region
200 1st St Sw, Rochester, Minnesota, 55905
(507) 284-2511
About Dr. Thorvardur Halfdanarson
Thorvardur Halfdanarson, M.D. is a healthcare provider practicing in Rochester, MN.
Specialty Definition
An internist who specializes in the diagnosis and treatment of all types of cancer and other benign and malignant tumors. This specialist decides on and administers therapy for these malignancies as well as consults with surgeons and radiotherapists on other treatments for cancer.
31
Years Experience
10
Locations
3
States Licensed
Credentials & Board Certifications
Additional Specialties
Primary Specialty
Medical OncologyCredentials verified via NPI Registry (NPPES)
Education & Training
Medical School
Other
Class of 1995
Licenses & Practice States
Licensed in 3 states
| State | License | Classification | Primary |
|---|---|---|---|
| Minnesota | 45995 | Internal Medicine | — |
| Iowa | 37199 | Internal Medicine | — |
| Iowa | 37199 | Internal Medicine | — |
| Arizona | 46666 | Internal Medicine | — |
| Minnesota | 45995 | Internal Medicine | |
| Minnesota | 45995 | Internal Medicine | — |
Public Data Summary for Dr. Thorvardur Halfdanarson
With 20 years of practice, Dr. Thorvardur Halfdanarson is an established medical oncology provider, M.D., after earning their medical degree at Other in 1995. Dr. currently practices across 10 facilities, including Mayo Clinic in Rochester, Minnesota. Their National Provider Identifier (NPI) is 1083684187, and the profile below combines data from CMS NPPES, Medicare billing records, the HHS OIG exclusion list, and — where available — CMS Open Payments, Medicare Utilization, and Part D prescriber summaries.
CMS Medicare data shows Dr. Thorvardur Halfdanarson as a lower-volume medical oncology provider, treating approximately 404 Medicare beneficiaries and delivering 53K services in the most recent reporting year. That panel size indicates a smaller, more selective practice pattern.
Under the Physician Payments Sunshine Act, CMS reports that Dr. Thorvardur Halfdanarson received $316 in industry payments in 2023. Payments at this scale are typical for most practicing physicians and generally reflect routine educational activities.
Transparency & Safety
Public records from CMS and OIG databases
Industry Payments
$316
Total payments received from pharmaceutical and medical device companies in 2023.
Source: CMS Open Payments (Sunshine Act)
Opioid Prescribing
This provider has no opioid prescriptions on file in Medicare Part D data.
Insurance & Accessibility
Reviews
Community reviews for Dr. Thorvardur Halfdanarson
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0 reviews
Medical Oncology Providers Nearby
Same primary specialty near ZIP 55905
FAQ
Frequently asked questions about Dr. Thorvardur Halfdanarson
What does Dr. Thorvardur Halfdanarson specialize in?
Dr. Thorvardur Halfdanarson specializes in Medical Oncology. Secondary taxonomy filings also list Internal Medicine.
Where does Dr. Thorvardur Halfdanarson practice?
Dr. Thorvardur Halfdanarson practices at Mayo Clinic in Rochester, Minnesota. Dr. is also affiliated with 9 additional facilities, listed below.
Does Dr. Thorvardur Halfdanarson accept Medicare?
CMS records show that Dr. Thorvardur Halfdanarson accepts Medicare assignment. CMS billing data shows 404 Medicare beneficiaries treated in the most recent reporting year.
What is Dr. Thorvardur Halfdanarson's NPI number?
Dr. Thorvardur Halfdanarson's National Provider Identifier (NPI) is 1083684187. This is the unique 10-digit number the Centers for Medicare & Medicaid Services assigns to every practicing US healthcare provider. You can verify this number directly at the NPPES NPI Registry.
How long has Dr. Thorvardur Halfdanarson been practicing?
Dr. Thorvardur Halfdanarson has approximately 20 years of practice experience, having graduated from Other in 1995.