Physician Profile
Gene Chang, MD is a healthcare provider in Philadelphia, PA specializing in interventional cardiology. Gene trained at Tufts University School of Medicine, graduating in 1991. Medicare claims data shows Gene provided 1,077 services to 917 patients. The services billed most often include use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes, routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only, and insertion of tube in right and left heart chambers and coronary artery for diagnosis with review by radiologist.
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.
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.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
51 NORTH 39TH STREET 4 PHI
Philadelphia, PA 19104
Within Interventional Cardiology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Most searched conditions
Artery blockages
Blood clots
Blood pressure
Chest symptoms
Circulation & veins
Coronary disease
Heart failure
Heart muscle
Heart muscle conditions
Heart rhythm
Heart rhythm & blood flow
Heart valves
Structural & congenital
Structural heart
Valve disease
Vascular disease
Vein conditions
Most searched procedures
Artery procedures
Blood pressure procedures
Circulation & limbs
Circulatory support
Clot procedures
Coronary stenting
Diagnostic catheterization
Diagnostic tests
Diagnostics & monitoring
Emergency heart procedures
Heart devices
Heart muscle
Heart support
Imaging & diagnostics
Stenting
Structural heart repair
Structural repair
Valve procedures
Valve replacement
Vein procedures
1,077 services · 917 patients · 17 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Repair of mitral valve through the skin, initial prosthesis | Procedure | 33418 |
18 | As often as other peers in Interventional Cardiology |
| Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes | Treatment | 99152 |
238 | More than most peers in Interventional Cardiology |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | Treatment | 93010 |
238 | As often as other peers in Interventional Cardiology |
| Insertion of tube in right and left heart chambers and coronary artery for diagnosis with review by radiologist | Treatment | 93460 |
81 | More than most peers in Interventional Cardiology |
| Insertion of tube in left lower heart chamber and coronary artery for diagnosis with review by radiologist | Treatment | 93458 |
80 | More often than most peers in Interventional Cardiology |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | Treatment | 93010 |
45 | As often as other peers in Interventional Cardiology |
| Insertion of stents with balloon dilation of coronary artery or branch, single artery or branch | Treatment | 92928 |
43 | More often than most peers in Interventional Cardiology |
| Insertion of tube in right heart chambers for measurement | Treatment | 93451 |
42 | More than most peers in Interventional Cardiology |
| Ultrasound evaluation of heart blood vessel during diagnosis or treatment, initial vessel | Treatment | 93571 |
15 | Less often than most peers in Interventional Cardiology |
| Insertion of tube in left lower heart chamber, coronary artery and bypass graft for diagnosis with review by radiologist | Treatment | 93459 |
12 | Less often than most peers in Interventional Cardiology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Dr. Chang is an interventional cardiologist in Philadelphia, PA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Interventional Cardiology”.
NPI registry
Dr. Chang is listed at 51 North 39Th Street 4 Phi, Philadelphia, PA 19104. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (215) 662-9189. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Dr. Chang's National Provider Identifier is 1174554851. 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
Dr. Chang attended Tufts University School of Medicine, graduating in 1991. This comes from the CMS National Downloadable File.
CMS public data
Dr. Chang has 35 years experience. Calculated from a graduation year of 1991, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Chang performs procedures including repair of mitral valve through the skin, initial prosthesis; provides treatments such as use of a drug to induce depression of consciousness by physician performing a procedure , initial 15 minutes and routine electrocardiogram using at least 12 leads with interpretation and report only, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Dr. 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.