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Edit this profileAt a glance
- 24 Hospital Ave, Danbury, CT 06810
About Dr. Warshofsky
Mark K. Warshofsky, M.D. practices interventional cardiology in Danbury, CT. Mark is a 1990 graduate of George Washington University School of Medicine. Medicare claims data shows Mark provided 29 services to 26 patients. The services billed most often include established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more and replacement of aortic valve through the skin and femoral artery. The provider's National Provider Identifier (NPI) is 1932141249.
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
- (203) 797-7155
- Email not available
Practice Locations
24 HOSPITAL AVE
Danbury, CT 06810
Conditions Commonly Evaluated or Treated
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.
Conditions
Most searched conditions
- AFib
- Arrhythmias
- Coronary artery disease
- Heart attack
Artery blockages
- Aortic aneurysm
- Carotid Artery Blockage
- Completely Blocked Heart Artery
- Microvascular angina
- Re-Blocked Heart Stent
- Severely Calcified Heart Arteries
- Torn Heart Artery
Blood clots
Blood pressure
Chest symptoms
Circulation & veins
- Chronic venous insufficiency
- Non-Healing Foot Sores From Poor Blood Flow
- Peripheral artery disease
Coronary disease
Heart failure
- Congestive heart failure
- Shock
Heart muscle
Heart muscle conditions
- Myocarditis
- Sudden Heart Muscle Weakness
Heart rhythm
Heart rhythm & blood flow
Heart valves
Structural & congenital
- Coarctation of the Aorta
- Hole Between Bottom Heart Chambers
Structural heart
Valve disease
- Failing Artificial Heart Valve
- Mitral stenosis
- Narrowed Pulmonary Valve
Vascular disease
- Leg Cramps When Walking
- Narrow kidney artery
- Stomach Pain After Eating From Arteries
- Subclavian Steal Syndrome
Vein conditions
Procedures & services
Most searched procedures
- AFib ablation
- Angioplasty and stenting
- Cardiac catheterization
- Pacemaker implantation
- Watchman procedure
Artery procedures
- Atherectomy
- Carotid Artery Stent
- Drug-Coated Balloon Treatment
- Minimally Invasive Aneurysm Repair
- Opening Chronic 100% Blocked Heart Arteries
- Shockwave Plaque Busting In Heart Arteries
Blood pressure procedures
Circulation & limbs
- Laser Vein Treatment For Leg Swelling
- Leg Artery Stent
Circulatory support
Clot procedures
- Catheter Blood Clot Removal From Legs
- Catheter Clot Dissolving Treatment
- IVC Filter Placement
- IVC Filter Removal
Coronary stenting
- Bypass Graft Stenting
Diagnostic catheterization
Diagnostic tests
- Coronary Artery Spasm Test
- Coronary Microvascular Resistance Test
- Heart Muscle Biopsy
Diagnostics & monitoring
- Fractional flow reserve measurement
- Implantable Loop Recorder (Cardiac Monitor Implant)
- Intravascular ultrasound
Emergency heart procedures
- Clot Suction From Heart Arteries
Heart devices
- Electrical cardioversion
- Implantable cardioverter-defibrillator placement
Heart muscle
- Alcohol Ablation For Thickened Heart Muscle
Heart support
- Percutaneous ventricular-assist device placement
Imaging & diagnostics
Stenting
- Arm Artery Stent
- Mesenteric Artery Stenting
- Renal artery stenting
Structural heart repair
- Aortic Coarctation Stent
- Ventricular Septal Defect Repair
Structural repair
Valve procedures
- Balloon Heart Valve Opening
- Leaky Artificial Heart Valve Repair
- Transcatheter aortic valve replacement
- Transcatheter mitral valve repair
- Transcatheter Pulmonary Valve Replacement
- TriClip Valve Repair
Valve replacement
- Transcatheter Tricuspid Valve Replacement
- Valve-In-Valve Heart Replacement
Vein procedures
- Iliac Vein Stenting
- Microfoam Vein Injection
- Radiofrequency Vein Closure
- Varicose Vein Medical Glue
Procedures Most Often Billed to Medicare
29 services · 26 patients · 2 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Replacement of aortic valve through the skin and femoral artery | Procedure | 33361 |
11 | Less often than most peers in Interventional Cardiology |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
18 | 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.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
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.
Other interventional cardiologists in Danbury 2
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at George Washington University School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1990 at George Washington University School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Replacement of aortic valve through the skin and femoral artery 8
Providers in CT who bill this service to Medicare most often.
Common questions
What is Mark K. Warshofsky's specialty?
Mark K. Warshofsky is an interventional cardiologist in Danbury, CT. That is the designation recorded for this NPI in the federal registry, where it is listed as “Interventional Cardiology”.
NPI registry
Where can I find Mark K. Warshofsky?
Mark K. Warshofsky is listed at 24 Hospital Ave, Danbury, CT 06810. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Mark K. Warshofsky?
The number on file is (203) 797-7155. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Mark K. Warshofsky?
Mark K. Warshofsky's National Provider Identifier is 1932141249. 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 Mark K. Warshofsky's education?
Mark K. Warshofsky attended George Washington University School of Medicine, graduating in 1990. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Mark K. Warshofsky have?
Mark K. Warshofsky has 36 years experience. Calculated from a graduation year of 1990, reported in the CMS National Downloadable File.
CMS public data
What is Mark K. Warshofsky known for?
According to Medicare billing data, Mark K. Warshofsky performs procedures including replacement of aortic valve through the skin and femoral artery, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Mark K. Warshofsky's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Mark K. Warshofsky. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.