Physician Profile
Ernest W. Chang, M.D. PH.D.
Unclaimed ProfileAbout Dr. Chang
Ernest W. Chang, M.D. PH.D. is a healthcare provider in Westwood, NJ specializing in cardiovascular disease. Ernest trained at Columbia University College of Physicians and Surgeons, graduating in 2017. According to Medicare claims data, Ernest cared for 601 Medicare patients across 664 services. The services billed most often include ultrasound of heart with color-depicted blood flow, rate, direction and valve function, subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes, and ultrasound of heart blood flow, valves and chambers.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
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
- (617) 877-8158
- Email not available
Practice Locations
333 OLD HOOK RD STE 200
Westwood, NJ 07675
1 Sears Dr Ste 202
Paramus, NJ 07652
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
- Ambulatory blood-pressure monitoring
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
664 services · 601 patients · 14 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| 3d radiographic procedure | Imaging | 76376 |
41 | As often as other peers in Cardiovascular Disease |
| Analysis of data from ct study of heart blood vessels to assess severity of heart artery disease, with interpretation and report | Imaging | 75580 |
16 | Less often than most peers in Cardiovascular Disease |
| Ct scan of blood vessels and grafts of heart with contrast | Imaging | 75574 |
11 | Less often than most peers in Cardiovascular Disease |
| Ultrasound of heart with color-depicted blood flow, rate, direction and valve function | Treatment | 93306 |
179 | As often as other peers in Cardiovascular Disease |
| Ultrasound of heart blood flow, valves and chambers | Treatment | 93320 |
49 | More often than most peers in Cardiovascular Disease |
| Ultrasound of heart with probe in esophagus, with report | Treatment | 93312 |
44 | More often than most peers in Cardiovascular Disease |
| Ultrasound of heart with color-depicted blood flow, rate and valve function | Treatment | 93325 |
42 | As often as other peers in Cardiovascular Disease |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | Treatment | 93000 |
35 | Less often than most peers in Cardiovascular Disease |
| Ultrasound of heart with color-depicted blood flow, rate, direction and valve function | Treatment | 93306 |
27 | As often as other peers in Cardiovascular Disease |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
83 | As often as other 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 7
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.
More connections — 24 related providers in 3 groups
Trained at Columbia University College of Physicians and Surgeons 8
Other providers in the same specialty who trained at the same institution.
Class of 2017 at Columbia University College of Physicians and Surgeons 8
Providers who graduated from the same medical school in the same year.
Also performs 3d radiographic procedure 8
Providers in NJ who bill this service to Medicare most often.
Common questions
What is Ernest W. Chang's specialty?
Ernest W. Chang is a cardiologist in Westwood, NJ. That is the designation recorded for this NPI in the federal registry, where it is listed as “Cardiovascular Disease”.
NPI registry
Where can I find Ernest W. Chang?
Ernest W. Chang is listed at 333 Old Hook Rd Ste 200, Westwood, NJ 07675. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Ernest W. Chang?
The number on file is (617) 877-8158. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Ernest W. Chang's NPI number?
Ernest W. Chang's National Provider Identifier is 1861927956. 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
What is Ernest W. Chang's education?
Ernest W. Chang attended Columbia University College of Physicians and Surgeons, graduating in 2017. This comes from the CMS National Downloadable File.
CMS public data
How long has Ernest W. Chang been practicing?
Ernest W. Chang has 9 years experience. Calculated from a graduation year of 2017, reported in the CMS National Downloadable File.
CMS public data
What is Ernest W. Chang known for?
According to Medicare billing data, Ernest W. Chang performs imaging including 3d radiographic procedure and analysis of data from ct study of heart blood vessels to assess severity of heart artery disease, with interpretation and report; provides treatments such as ultrasound of heart with color-depicted blood flow, rate, direction and valve function and ultrasound of heart blood flow, valves and chambers, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Ernest W. Chang confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Ernest W. Chang. 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.