Physician Profile
Constantin B. Marcu, MD
Unclaimed ProfileAbout Dr. Marcu
Constantin B. Marcu, MD is a healthcare provider in Greenville, NC specializing in cardiovascular disease. Constantin is also listed as specializing in internal medicine. Medicare claims data shows Constantin provided 59,775 services to 5,885 patients. The services billed most often include low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml, low osmolar contrast material, 200-299 mg/ml iodine concentration, per ml, and routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only.
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
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
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
- (252) 744-4400
- Email not available
Practice Locations
115 HEART DR
Greenville, NC 27834
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
Most searched conditions
- AFib
- Congestive heart failure
- Heart attack
- Heart disease
- High blood pressure
- High cholesterol
Coronary and ischemic heart disease
- Coronary artery disease
- Stable angina
Heart failure and cardiomyopathy
- Hypertrophic cardiomyopathy
- Myocarditis
- Pericardial effusion
Heart rhythm
- Slow heart rate (bradycardia)
- Supraventricular tachycardia
Symptoms and functional disorders
- Fainting and syncope
- Heart palpitations
- Postural orthostatic tachycardia syndrome
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
- Poor Circulation and Swollen Legs
Heart valves
- Heart Murmur
Vascular disease
- High Blood Pressure in the Lungs (Pulmonary Hypertension)
Procedures & services
Most searched procedures
- Echocardiogram
- EKG
- Heart monitor
- Heart stent
- Pacemaker surgery
- Stress test
Office and noninvasive testing
Advanced imaging
- Cardiac magnetic resonance imaging
- Nuclear cardiac stress imaging
Consultations
- Preventive Cardiology Consultation
Diagnostic testing
- Cardiopulmonary Exercise Testing (CPET)
- Tilt Table Test
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 Fluid Drainage (Pericardiocentesis)
Heart rhythm procedures
- Radiofrequency ablation
Imaging
- Heart Calcium Scan
- Transesophageal Echocardiogram for Kids
Implants
- Defibrillator Implant (ICD)
Recovery & rehabilitation
- Cardiac Rehabilitation Program
Vascular imaging
- Carotid Ultrasound
- Leg Circulation Test (ABI and Arterial Doppler)
Procedures Most Often Billed to Medicare
59,775 services · 5,885 patients · 25 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
152 | More often than most peers in Cardiovascular Disease |
| X-ray of chest, 2 views | Imaging | 71046 |
286 | More than most peers in Cardiovascular Disease |
| 3d radiographic procedure | Imaging | 76376 |
273 | More than most peers in Cardiovascular Disease |
| Ct scan of blood vessels of chest with contrast | Imaging | 71275 |
248 | More than most peers in Cardiovascular Disease |
| Ct scan of blood vessels of abdomen and pelvis with contrast | Imaging | 74174 |
201 | More than most peers in Cardiovascular Disease |
| Mri scan of blood flow of heart | Imaging | 75565 |
174 | More than most peers in Cardiovascular Disease |
| Mri scan of heart before and after contrast | Imaging | 75561 |
169 | More than most peers in Cardiovascular Disease |
| Ct scan of chest without contrast | Imaging | 71250 |
151 | More than most peers in Cardiovascular Disease |
| Ct scan of heart structure with contrast | Imaging | 75572 |
145 | More than most peers in Cardiovascular Disease |
| Low dose ct scan of chest for lung cancer screening | Imaging | 71271 |
106 |
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 4
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 7
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 — 30 related providers in 4 groups
Other cardiologists in Greenville 6
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 1993 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Insertion of needle into vein for collection of blood sample 8
Providers in NC who bill this service to Medicare most often.
Common questions
What kind of doctor is Dr. Marcu?
Dr. Marcu is a cardiologist in Greenville, NC. That is the designation recorded for this NPI in the federal registry, where it is listed as “Cardiovascular Disease”.
NPI registry
What is Dr. Marcu's address?
Dr. Marcu is listed at 115 Heart Dr, Greenville, NC 27834. 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. Marcu?
The number on file is (252) 744-4400. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Marcu?
Dr. Marcu's National Provider Identifier is 1528013885. 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. Marcu train?
Dr. Marcu attended Other, graduating in 1993. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Marcu have?
Dr. Marcu has 33 years experience. Calculated from a graduation year of 1993, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Marcu perform?
According to Medicare billing data, Dr. Marcu performs procedures including insertion of needle into vein for collection of blood sample; reads or performs imaging such as x-ray of chest, 2 views and 3d radiographic procedure; 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
Is Dr. Marcu's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Marcu. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.