Physician Profile
Michael Christopher Armstrong, M.D.
Unclaimed ProfileAbout Dr. Armstrong
Michael Christopher Armstrong, M.D. is a healthcare provider in Greenville, SC specializing in cardiovascular disease (cardiology). Michael is also listed as specializing in cardiovascular disease and internal medicine. According to Medicare claims data, Michael cared for 2,140 Medicare patients across 2,505 services.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
NPI-Registered Specialty
Credentials & Registry Details
Source: NPPES NPI Registry
Contact Information
- (864) 455-6900
- Email not available
Practice Locations
1005 GROVE RD
Greenville, SC 29605
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
Coronary and ischemic heart disease
- Acute coronary syndrome
- Coronary artery spasm
- Heart attack
- Microvascular angina
- Stable angina
- Stable coronary artery disease
Heart failure and cardiomyopathy
- Cardiac amyloidosis
- Dilated cardiomyopathy
- Heart failure
- Heart failure with preserved ejection fraction
- Heart failure with reduced ejection fraction
- Hypertrophic cardiomyopathy
- Myocarditis
- Pericardial effusion
- Pericarditis
- Restrictive cardiomyopathy
Heart rhythm
- Atrial fibrillation
- Atrial flutter
- Heart block
- Long QT syndrome
- Premature atrial contractions
- Premature ventricular contractions
- Slow heart rate (bradycardia)
- Supraventricular tachycardia
- Ventricular tachycardia
Symptoms and functional disorders
- Fainting and syncope
- Heart palpitations
- Orthostatic hypotension
- Postural orthostatic tachycardia syndrome
Valve and structural heart
- Aortic regurgitation
- Aortic stenosis
- Atrial septal defect
- Congenital heart disease
- Mitral regurgitation
- Mitral stenosis
- Mitral valve prolapse
- Patent foramen ovale
- Tricuspid regurgitation
Vascular and risk factors
- Aortic aneurysm
- Atherosclerosis
- Carotid artery disease
- Familial hypercholesterolemia
- High blood pressure (hypertension)
- High cholesterol and lipid disorders
- Peripheral artery disease
- Resistant hypertension
Procedures & services
Office and noninvasive testing
- Ambulatory blood-pressure monitoring
- Ambulatory heart-rhythm monitoring
- Cardiology consultation
- Electrocardiogram
- Exercise stress test
- Pharmacologic cardiac stress test
- Stress echocardiogram
- Transthoracic echocardiogram
Advanced imaging
Procedures Most Often Billed to Medicare
2,505 services · 2,140 patients · 24 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Nuclear medicine studies of heart muscle at rest and with stress and spect | Imaging | 78452 |
91 |
| Nuclear medicine studies of heart muscle at rest and with stress and spect | Imaging | 78452 |
34 |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | Treatment | 93010 |
288 |
| Ultrasound of heart with color-depicted blood flow, rate, direction and valve function | Treatment | 93306 |
194 |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | Treatment | 93000 |
117 |
| Exercise or drug-induced heart stress test with electrocardiogram (ecg) with review by physician | Treatment | 93018 |
102 |
| Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision by physician | Treatment | 93016 |
102 |
| Exercise or drug-induced heart stress test with electrocardiogram (ecg) with review by physician | Treatment | 93018 |
38 |
| Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision by physician | Treatment | 93016 |
38 |
| Ultrasound of heart with color-depicted blood flow, rate, direction and valve function | Treatment | 93306 |
35 |
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 cardiovascular diseases at this location 8
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 1
Clinically related specialties at the same address — the people this provider most likely works alongside.
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.
More connections — 29 related providers in 4 groups
Other cardiovascular diseases in Greenville 5
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2016 at Other 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 SC who bill this service to Medicare most often.
Common questions
What kind of doctor is Dr. Armstrong?
Dr. Armstrong is a cardiovascular disease (cardiology) in Greenville, SC. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “CARDIOVASCULAR DISEASE (CARDIOLOGY)”.
NPI registry
What is Dr. Armstrong's address?
Dr. Armstrong is listed at 1005 GROVE RD, Greenville, SC 29605. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Armstrong?
The number on file is (864) 455-6900. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Armstrong's NPI number?
Dr. Armstrong's National Provider Identifier is 1538518238. 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. Armstrong train?
Dr. Armstrong attended Other, graduating in 2016. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Armstrong been practicing?
Dr. Armstrong has 10 years experience. Calculated from a graduation year of 2016, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Armstrong perform?
According to Medicare billing data, Dr. Armstrong 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 ultrasound of heart with color-depicted blood flow, rate, direction and valve function, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Armstrong confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Armstrong. If this is you, claiming it is free.
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Claim this profileProvider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.