Dr. Joseph J. Doerer, MD
Cardiology (Cardiovascular Disease Physician)
- Medicare participating
At a glance
- Medical school
- University of Minnesota Medical School (2010)
- Years since graduation
- 16
- In the NPI registry since
- 2010
- Medicare patients seen, 2024
- 1,125
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
- 2010Medical school: University of Minnesota Medical School
- 2010Registered 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
-
Cardiovascular Disease Physician primary
IA license MD-40966 · MN license 58749 -
Internal Medicine Physician
IA license R-8877
As reported to the NPI registry. To confirm a license is current, check the state medical board.
Where they work
Hospitals
- University of Iowa Hospital & Clinics Iowa City, IA
- Mercyone Des Moines Medical Center Des Moines, IA
- Mercyone Newton Medical Center Newton, IA
- Knoxville Hospital & Clinics Knoxville, IA
- Mercyone Centerville Medical Center Centerville, IA
Medical groups
- Catholic Health Initiatives-Iowa Corp (113 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
- 1,125
- Services billed
- 2,172
- Patients’ average age
- 76
| Service | Times | Patients |
|---|---|---|
| Established patient office or other outpatient visit, 30-39 minutes | 777 | 582 |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | 512 | 447 |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 178 | 105 |
| Nuclear medicine studies of heart muscle at rest and with stress and spect | 108 | 108 |
| Ultrasound of heart with color-depicted blood flow, rate, direction and valve function | 102 | 102 |
| Exercise or drug-induced heart stress test with electrocardiogram (ecg) with review by physician | 93 | 93 |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 86 | 48 |
| Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision by physician | 69 | 69 |
| New patient office or other outpatient visit, 45-59 minutes | 68 | 68 |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | 62 | 61 |
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
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, 4 companies reported 4 payments worth $65.91 in total to this clinician.
| Pfizer Inc. | $20.97 |
|---|---|
| Boehringer Ingelheim Pharmaceuticals, Inc. | $16.57 |
| Bayer HealthCare Pharmaceuticals Inc. | $14.46 |
| Abbott Laboratories | $13.91 |
| Food and Beverage | $65.91 |
|---|
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.