Dr. Brett L. Wanamaker, M.D.
Interventional Cardiology (Interventional Cardiology Physician)
- Medicare participating
At a glance
- Medical school
- Johns Hopkins University School of Medicine (2013)
- Years since graduation
- 13
- In the NPI registry since
- 2011
- Medicare patients seen, 2024
- 156
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
- 2013Medical school: Johns Hopkins University School of Medicine
- 2011Registered 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
-
Interventional Cardiology Physician primary
MI license 4301109527 -
Cardiovascular Disease Physician
MI license 4301109527 -
Internal Medicine Physician
MI license 4301109527
As reported to the NPI registry. To confirm a license is current, check the state medical board.
Where they work
Hospitals
- University of Michigan Health System Ann Arbor, MI
Medical groups
- Regents of the University of Michigan (3,346 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
- 156
- Services billed
- 526
- Patients’ average age
- 72
| Service | Times | Patients |
|---|---|---|
| Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes | 119 | 108 |
| Critical care, first 30-74 minutes | 64 | 19 |
| Insertion of tube in left lower heart chamber and coronary artery for diagnosis with review by radiologist | 49 | 47 |
| Established patient office or other outpatient visit, 30-39 minutes | 48 | 40 |
| Ultrasound evaluation of heart blood vessel or graft with review by radiologist, initial vessel | 34 | 30 |
| Insertion of stents with balloon dilation of coronary artery or branch, single artery or branch | 22 | 19 |
| Ultrasound evaluation of heart blood vessel during diagnosis or treatment, initial vessel | 17 | 17 |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 16 | 11 |
| Established patient office or other outpatient visit, 20-29 minutes | 15 | 14 |
| Insertion of tube in coronary artery for diagnosis with review by radiologist | 15 | 15 |
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 Ann Arbor, MI | 101 |
| Atorvastatin Calcium Other prescribers in Ann Arbor, MI | 88 |
| Rosuvastatin Calcium Other prescribers in Ann Arbor, MI | 60 |
| Ezetimibe Other prescribers in Ann Arbor, MI | 54 |
| Metoprolol Succinate Other prescribers in Ann Arbor, MI | 36 |
| Isosorbide Mononitrate Er (isosorbide mononitrate) Other prescribers in Ann Arbor, MI | 29 |
| Amlodipine Besylate Other prescribers in Ann Arbor, MI | 24 |
| Furosemide Other prescribers in Ann Arbor, MI | 23 |
| Carvedilol Other prescribers in Ann Arbor, MI | 19 |
| Valsartan Other prescribers in Ann Arbor, MI | 19 |
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, 6 companies reported 31 payments worth $8,103 in total to this clinician.
| Boston Scientific Corporation | $7,004 |
|---|---|
| Asahi Intecc USA, Inc. | $582 |
| Medtronic, Inc. | $187 |
| Teleflex LLC | $175 |
| Abiomed | $101 |
| Acist Medical Systems, Inc. | $54.42 |
| Compensation for services other than consulting (speaking, faculty) | $5,625 |
|---|---|
| Food and Beverage | $1,443 |
| Travel and Lodging | $1,014 |
| Honoraria | $20.65 |
What the payments were for
| Company | What it was for | Amount |
|---|---|---|
| Boston Scientific Corporation Jul 24, 2025 | Compensation for services other than consulting (speaking, faculty) General - Vascular Access · General - Vascular Access_IC | $5,000 |
| Boston Scientific Corporation Jul 24, 2025 | Compensation for services other than consulting (speaking, faculty) General - Vascular Access · General - Vascular Access_IC | $625 |
| Boston Scientific Corporation May 30, 2025 | Travel and Lodging General - Therapies · General - Therapies_IC · travel to Boston, MA · in-kind | $350 |
| Boston Scientific Corporation May 30, 2025 | Travel and Lodging General - Therapies · General - Therapies_IC · travel to Boston, MA · in-kind | $243 |
| Asahi Intecc USA, Inc. Jan 23, 2025 | Travel and Lodging Asahi Coronary Wires · Devices · travel to Cincinnati, OH | $161 |
| Medtronic, Inc. Jan 22, 2025 | Travel and Lodging travel to Cincinnati, OH · in-kind | $116 |
| Boston Scientific Corporation Jul 24, 2025 | Travel and Lodging General - Vascular Access · General - Vascular Access_IC · travel to Boston, MA | $93.47 |
| Medtronic, Inc. Jan 22, 2025 | Travel and Lodging travel to Cincinnati, OH · in-kind | $44.44 |
| Asahi Intecc USA, Inc. Jan 23, 2025 | Honoraria Asahi Coronary Wires · Devices | $20.65 |
| Medtronic, Inc. Jan 22, 2025 | Travel and Lodging travel to Cincinnati, OH · in-kind | $5.77 |
Each payment as the company reported it, with the products it named. Meals are counted in the totals above but not listed one by one.
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.
Industry-funded research
Named as a principal investigator on 1 industry-funded study in 2025, from 1 company. The companies reported $1,200 in research payments for these studies, mostly to the institutions running them.
- Efficacy of the COronary SInus Reducer in Patients With Refractory Angina II
Shockwave Medical, Inc
From CMS Open Payments research payments, where companies name up to five principal investigators per payment. Research payments usually go to hospitals, universities and research sites, not to the investigator personally. A payment is not evidence of wrongdoing.