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Edit this profileAt a glance
- 211 Saint Francis Dr Ste 15, Cape Girardeau, MO 63703
About Dr. Nienaber
William J. Nienaber, MD practices cardiovascular disease in Cape Girardeau, MO. William is a 2005 graduate of Creighton University School of Medicine. According to Medicare claims data, William cared for 4,277 Medicare patients across 5,202 services. The services billed most often include routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only, routine electrocardiogram (ecg) using at least 12 leads with tracing, and ultrasound of heart with color-depicted blood flow, rate, direction and valve function. The provider's National Provider Identifier (NPI) is 1720296940.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (573) 331-3333
- Email not available
Is this your home address or personal number? Hide it
Practice Locations
211 SAINT FRANCIS DR STE 15
Cape Girardeau, MO 63703
Conditions Commonly Evaluated or Treated
Within Cardiovascular Disease generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Specialized cardiovascular care
- Heart problems related to cancer treatment
- Heart transplant follow-up
Most searched conditions
Coronary and ischemic heart disease
Heart failure and cardiomyopathy
Heart rhythm
Symptoms and functional disorders
Valve and structural heart
- Aortic stenosis
- Mitral regurgitation
- Mitral valve prolapse
- Patent foramen ovale
Vascular and risk factors
- Aortic aneurysm
- Carotid artery disease
- Familial hypercholesterolemia
- Resistant hypertension
Artery & vascular
- Peripheral Artery Disease (PAD)
Heart inflammation
- Pericarditis (Heart Sac Inflammation)
Heart muscle
Heart valves
Vascular disease
- High Blood Pressure in the Lungs (Pulmonary Hypertension)
Procedures & services
Advanced imaging
- Cardiac computed tomography
- Coronary artery calcium scan
- Transesophageal echocardiogram
- Cardiac magnetic resonance imaging
- Nuclear cardiac stress imaging
Catheter-based diagnosis and treatment
- Left heart catheterization
Heart & circulation
Life Support
Office and noninvasive testing
- Cardiology consultation
- Exercise stress test
- Pharmacologic cardiac stress test
- Stress echocardiogram
- Transthoracic echocardiogram
- Ambulatory blood-pressure monitoring
Structural heart
- Atrial septal defect closure
Most searched procedures
- Echocardiogram
- EKG
- Heart monitor
- Heart stent
- Pacemaker surgery
- Stress test
Consultations
- Preventive Cardiology Consultation
Diagnostic testing
Diagnostics
- Electrophysiology Study (EP Study)
Heart devices
- Biventricular Pacemaker (Cardiac Resynchronization Therapy)
- Implantable Loop Recorder (Cardiac Monitor Implant)
Heart imaging
- Heart CT Scan (Cardiac CT)
Heart procedures
Heart rhythm procedures
Imaging
- Heart Calcium Scan
- Transesophageal Echocardiogram for Kids
Implants
- Defibrillator Implant (ICD)
Recovery & rehabilitation
- Cardiac Rehabilitation Program
Vascular imaging
Procedures Most Often Billed to Medicare
5,202 services · 4,277 patients · 15 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Nuclear medicine studies of heart muscle at rest and with stress and spect | Imaging | 78452 |
173 | More often than most peers in Cardiovascular Disease |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | Treatment | 93010 |
3,234 | More than most peers in Cardiovascular Disease |
| Routine electrocardiogram (ecg) using at least 12 leads with tracing | Treatment | 93005 |
481 | More than most peers in Cardiovascular Disease |
| Ultrasound of heart with color-depicted blood flow, rate, direction and valve function | Treatment | 93306 |
360 | More often than most peers in Cardiovascular Disease |
| Exercise or drug-induced heart stress test with electrocardiogram (ecg) with review by physician | Treatment | 93018 |
286 | More than most peers in Cardiovascular Disease |
| Heart muscle strain imaging | Treatment | 93356 |
190 | More often than most peers in Cardiovascular Disease |
| Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision by physician | Treatment | 93016 |
139 | More often than most peers in Cardiovascular Disease |
| Ultrasound of heart, follow-up | Treatment | 93308 |
119 | More than most peers in Cardiovascular Disease |
| Ultrasound of heart with color-depicted blood flow, rate and valve function | Treatment | 93325 |
62 | More often than most peers in Cardiovascular Disease |
| Electrocardiogram (ecg) up to 30 days continuous with symptom monitoring, transmission and review and report by health care professional | Treatment | 93272 |
50 | More often than most peers in Cardiovascular Disease |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other cardiologists at this location 1
Same specialty, same street address — most likely the same department or group.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other cardiologists in Cape Girardeau 4
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at Creighton University School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 2005 at Creighton University School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Nuclear medicine studies of heart muscle at rest and with stress and spect 8
Providers in MO who bill this service to Medicare most often.
Common questions
What does Dr. Nienaber specialize in?
Dr. Nienaber is a cardiologist in Cape Girardeau, MO. That is the designation recorded for this NPI in the federal registry, where it is listed as “Cardiovascular Disease”.
NPI registry
Where is Dr. Nienaber located?
Dr. Nienaber is listed at 211 Saint Francis Dr Ste 15, Cape Girardeau, MO 63703. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Nienaber's phone number?
The number on file is (573) 331-3333. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Dr. Nienaber's NPI number?
Dr. Nienaber's National Provider Identifier is 1720296940. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Nienaber go to medical school?
Dr. Nienaber attended Creighton University School of Medicine, graduating in 2005. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Nienaber been practicing?
Dr. Nienaber has 21 years experience. Calculated from a graduation year of 2005, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Nienaber do most often?
According to Medicare billing data, Dr. Nienaber performs imaging including nuclear medicine studies of heart muscle at rest and with stress and spect; provides treatments such as routine electrocardiogram using at least 12 leads with interpretation and report only and routine electrocardiogram using at least 12 leads with tracing, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Nienaber confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Nienaber. If this is you, claiming it is free.
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Guide.md listings do not constitute medical advice or an endorsement.