Dr. William W. Sheaffer, M.D.
Vascular Surgery (Vascular Surgery Physician)
Who else practices at this address →
St. Louis County includes primary care (17% of residents) and dental (35% of residents) shortage areas. About shortage areas
- Medicare participating
At a glance
- Medical school
- Sanford School of Medicine of University of South Dakota (2015)
- Years since graduation
- 11
- In the NPI registry since
- 2015
- Medicare patients seen, 2024
- 315
The NPI date is when this clinician registered for a National Provider Identifier, the billing number used on health claims. It is not a license, graduation or board-certification date. What an NPI is
Education and training
- 2015Medical school: Sanford School of Medicine of University of South Dakota
- 2015Registered with an NPI (national billing number; not a license date)
Undergraduate school, residency, fellowship, licensing exams and board certification aren’t in public federal data. Board certification can be confirmed with the certifying board (ABMS member boards for MDs, AOA boards for DOs).
Specialties and state licenses
-
Vascular Surgery Physician primary
MN license 71045 · AZ license 52930 -
Surgery Physician
AZ license 52930
As reported to the NPI registry. To confirm a license is current, check the state medical board.
Where they work
Hospitals
- Mayo Clinic Hospital Phoenix, AZ
- Essentia Health St Mary's Medical Center Duluth, MN
- Essentia Health Duluth Duluth, MN
- Essentia Health Virginia Virginia, MN
- Essentia Health St Joseph's Medical Center Brainerd, MN
Medical groups
- The Duluth Clinic LTD (1,144 clinicians)
Hospitals this clinician lists with Medicare, and groups they bill Medicare through (Care Compare). Affiliation doesn’t mean they see patients at every location.
Medicare patients and services
- Medicare patients, 2024
- 315
- Services billed
- 717
- Patients’ average age
- 74
| Service | Times | Patients |
|---|---|---|
| Ultrasound of one leg arteries or artery grafts | 67 | 53 |
| New patient office or other outpatient visit, 45-59 minutes | 42 | 42 |
| Ultrasound of both sides of head and neck blood flow | 41 | 41 |
| Complete ultrasound of aorta, vena cava, groin vessels or bypass grafts | 36 | 36 |
| Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes | 34 | 29 |
| Ultrasonic guidance for blood vessel access | 26 | 22 |
| Established patient office or other outpatient visit, 40-54 minutes | 20 | 19 |
| Complete ultrasound study of arm and leg arteries | 20 | 20 |
| Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 19 | 18 |
| Established patient office or other outpatient visit, 30-39 minutes | 16 | 14 |
Medicare fee-for-service only. CMS leaves out services billed for fewer than 11 patients. These figures describe a practice’s Medicare work; they aren’t a measure of quality.
Medicare prescriptions
| Drug | Prescriptions |
|---|---|
| Clopidogrel (clopidogrel bisulfate) Other prescribers in Duluth, MN | 132 |
| Atorvastatin Calcium Other prescribers in Duluth, MN | 65 |
| Oxycodone Hcl Other prescribers in Duluth, MN | 15 |
| Cilostazol Other prescribers in Duluth, MN | 13 |
Prescriptions filled under Medicare Part D, including refills. CMS leaves out drugs prescribed fewer than 11 times.
Payments from drug and device companies
In 2025, 2 companies reported 2 payments worth $123 in total to this clinician.
| Penumbra, Inc. | $84.00 |
|---|---|
| Boston Scientific Corporation | $39.42 |
| Food and Beverage | $123 |
|---|
From CMS Open Payments. A payment is not evidence of wrongdoing; many are for consulting, teaching or meals. Clinicians can review and dispute their records with CMS.