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Edit this profileWhere to find Willis Ko, MD
- Maryville location main office
6810 State Route 162 Ste 102B, Maryville, IL 62062 - Philadelphia location
230 N Broad Street, Hahnemann University Hospital, Philadelphia, PA 19102 - Flushing location
5645 Main St, Flushing, NY 11355 - Largo location
201 14th St SW, Largo, FL 33770
About Dr. Ko
Willis Ko, MD is a healthcare provider in Maryville, IL specializing in interventional cardiology. Willis is also listed as specializing in cardiovascular disease and internal medicine. Medicare claims data shows Willis provided 170 services to 163 patients. The services billed most often include subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes, ultrasound of heart with color-depicted blood flow, rate and valve function, and ultrasound of heart, follow-up. This provider record is associated with NPI 1215465307.
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
- (618) 288-4076
- Email not available
Practice Locations
6810 STATE ROUTE 162 STE 102B
Maryville, IL 62062
230 N Broad Street Hahnemann University Hospital
Philadelphia, PA 19102
5645 Main St
Flushing, NY 11355
201 14th St SW
Largo, FL 33770
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 Clot in Lung
- Deep vein thrombosis
Blood pressure
- Pulmonary hypertension
- Resistant hypertension
Chest symptoms
- Unexplained chest pain
Circulation & veins
- Chronic venous insufficiency
- Non-Healing Foot Sores From Poor Blood Flow
- Peripheral artery disease
Coronary disease
- Acute coronary syndrome
- Stable angina
Heart failure
- Congestive heart failure
- Shock
Heart muscle
- Dilated cardiomyopathy
- Hypertrophic cardiomyopathy
Heart muscle conditions
- Myocarditis
- Sudden Heart Muscle Weakness
Heart rhythm
- Heart palpitations
- Slow heart rate (bradycardia)
- Supraventricular tachycardia
Heart rhythm & blood flow
- Fainting and syncope
Heart valves
- Aortic stenosis
- Heart Murmur
- Mitral regurgitation
- Tricuspid regurgitation
Structural & congenital
- Coarctation of the Aorta
- Hole Between Bottom Heart Chambers
Structural heart
- Patent foramen ovale
- Pericardial effusion
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
- May-Thurner Syndrome
- Pelvic Congestion Syndrome
- Varicose veins
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
- High Blood Pressure Nerve Treatment
Circulation & limbs
- Laser Vein Treatment For Leg Swelling
- Leg Artery Stent
Circulatory support
- Intra-aortic balloon pump placement
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
- Right heart 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
- Coronary optical coherence tomography
Stenting
- Arm Artery Stent
- Mesenteric Artery Stenting
- Renal artery stenting
Structural heart repair
- Aortic Coarctation Stent
- Ventricular Septal Defect Repair
Structural repair
- Heart Fluid Drainage (Pericardiocentesis)
- Patent foramen ovale closure
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
170 services · 163 patients · 8 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Ultrasound of heart with color-depicted blood flow, rate and valve function | Treatment | 93325 |
28 | As often as other peers in Interventional Cardiology |
| Ultrasound of heart, follow-up | Treatment | 93308 |
26 | As often as other peers in Interventional Cardiology |
| Ultrasound of heart blood flow, valves and chambers, follow-up | Treatment | 93321 |
24 | As often as other peers in Interventional Cardiology |
| Ultrasound of heart with color-depicted blood flow, rate, direction and valve function | Treatment | 93306 |
13 | Less often than most peers in Interventional Cardiology |
| Heart muscle strain imaging | Treatment | 93356 |
11 | Less often than most peers in Interventional Cardiology |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
30 | Less often than most peers in Interventional Cardiology |
| Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | Office visit | 99222 |
23 | Less often than most peers in Interventional Cardiology |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
15 | 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.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
More connections — 16 related providers in 2 groups
Class of 2017 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Ultrasound of heart with color-depicted blood flow, rate and valve function 8
Providers in IL who bill this service to Medicare most often.
Common questions
What does Dr. Ko specialize in?
Dr. Ko is an interventional cardiologist in Maryville, IL. That is the designation recorded for this NPI in the federal registry, where it is listed as “Interventional Cardiology”.
NPI registry
Where is Dr. Ko located?
Dr. Ko is listed at 6810 State Route 162 Ste 102B, Maryville, IL 62062. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Ko's phone number?
The number on file is (618) 288-4076. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Dr. Ko?
Dr. Ko's National Provider Identifier is 1215465307. 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. Ko go to medical school?
Dr. Ko attended Other, graduating in 2017. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Ko have?
Dr. Ko has 9 years experience. Calculated from a graduation year of 2017, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Ko do most often?
According to Medicare billing data, Dr. Ko provides treatments such as ultrasound of heart with color-depicted blood flow, rate and valve function and ultrasound of heart, follow-up, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Ko's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Ko. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.