Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Oneill, Cardiologist in Naples, FL?
Dr. William Oneill, MD is a Cardiologist, who primarily practices in Naples, FL with 2 additional practice locations. He is board certified by the American Board of Internal Medicine. Dr. Oneill completed his residency at Wayne State University. He is a member of the Henry Ford Medical Group. Dr. Oneill is fluent in English and Spanish, and is currently seeing new patients. Dr. Oneill’s practice accepts Medicare, Aetna, Cigna and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Oneill’s office.
What are Areas of Expertise for Dr. Oneill?
Dr. William Oneill, MD is a highly-rated, board-certified Cardiologist known for expertly diagnosing, treating, and managing a wide array of related conditions or procedures. Utilizing the latest medical advancements and evidence-based practices, Dr. Oneill empowers patients to confidently navigate their health journey, specializing in Heart Valve Disease, Interventional Cardiology, or comprehensive wellness support. Serving the Naples/FL community, Dr. Oneill is dedicated to enhancing lives through expert, patient-centered care.
Where did Dr. Oneill go to medical school and complete their residency?
Fellowship: University of Michigan
Residency: Wayne State University | University of Wisconsin
Medical School: Wayne State University (Medical Education)
Is Dr. Oneill board certified in Cardiologist?
Yes, Dr. William Oneill, MD is board certified by the American Board of Internal Medicine
What languages does Dr. Oneill speak?
Dr. Oneill and their clinical team can communicate with patients in the following languages:
English
Spanish
What conditions does Dr. Oneill treat?
As a Cardiologist, Dr. Oneill diagnoses, treats, and manages a wide range of conditions. This condition information is derived from anonymized insurance claims and highlights the medical conditions most commonly treated by Dr. Oneill. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly.
Also known as:
- Narrowed Aortic Valve
- Rheumatic Mitral Valve Disease
- Narrowed Mitral Valve
- Other Aortic Valve Disorder
- Tricuspid Valve Insufficiency
- Leaky Mitral Valve
- Aortic Valve Disorder
- Aortic Valve Insufficiency
- Heart Valve Disease
- Streptococcal Infection
- Aortic Valve Stenosis
- Tight Aortic Valve
- Rheumatic Mitral Valvulopathy
- Mitral Valve Problems from Rheumatic Fever
- Rheumatic Heart Valve Disorder
- Mitral Valve Stenosis
- Tight Mitral Valve
- Aortic Valve Problems
- Aortic Valve Conditions
- Leaky tricuspid valve
- Tricuspid regurgitation
- Mitral Valve Insufficiency
- Mitral Regurgitation
- Aortic Valve Disease
- Aortic Valve Problem
- Leaky aortic valve
- Aortic regurgitation
ICD-10 Codes:
- I350: Nonrheumatic aortic (valve) stenosis
- I059: Rheumatic mitral valve disease, unspecified
- I342: Nonrheumatic mitral (valve) stenosis
- I358: Other nonrheumatic aortic valve disorders
- I361: Nonrheumatic tricuspid (valve) insufficiency
- I340: Nonrheumatic mitral (valve) insufficiency
- I359: Nonrheumatic aortic valve disorder, unspecified
- I351: Nonrheumatic aortic (valve) insufficiency
Also known as:
- Hardening of the Arteries in the Heart without Chest Pain
- Coronary Artery Disease with Angina
- Atherosclerosis
- Coronary Artery Disease
- Silent Coronary Artery Disease
- Asymptomatic Atherosclerosis
- Atherosclerotic Heart Disease with Angina
- Chest Pain from Heart Disease
- Angina Pectoris
ICD-10 Codes:
- I2510: Atherosclerotic heart disease of native coronary artery without angina pectoris
- I25118: Atherosclerotic heart disease of native coronary artery with other forms of angina pectoris
Also known as:
- Atrial Fibrillation
- Afib
- A-fib
- Irregular heart rhythm
ICD-10 Codes:
- I4891: Unspecified atrial fibrillation
- I480: Paroxysmal atrial fibrillation
Also known as:
- Long-standing Atrial Fibrillation
- Permanent Atrial Fibrillation
- Atrial Fibrillation
- Chronic AFib
- Long-term AFib
- Permanent AFib
- Irreversible AFib
- Fixed Atrial Fibrillation
ICD-10 Codes:
- I4811: Longstanding persistent atrial fibrillation
- I4821: Permanent atrial fibrillation
Also known as:
- Rheumatic Tricuspid Valve Disease
- Heart Valve Disease
- Streptococcal Infection
- Tricuspid Valve Problems from Rheumatic Fever
- Rheumatic Tricuspid Valvulopathy
ICD-10 Codes:
- I079: Rheumatic tricuspid valve disease, unspecified
Also known as:
- Obstructive Hypertrophic Cardiomyopathy
- Cardiomyopathy
- HCM (Obstructive)
- Thickened Heart Muscle with Obstruction
ICD-10 Codes:
- I421: Obstructive hypertrophic cardiomyopathy
Also known as:
- Having a Prosthetic Heart Valve
- Heart Valve Disease
- Artificial heart valve
- Mechanical heart valve
- Bioprosthetic valve
ICD-10 Codes:
- Z952: Presence of prosthetic heart valve
Also known as:
- Rheumatic Tricuspid Valve Leak
- Heart Valve Disease
- Streptococcal Infection
- Rheumatic Tricuspid Regurgitation
- Leaky Tricuspid Valve
- Tricuspid Valve Rheumatic Disease
ICD-10 Codes:
- I071: Rheumatic tricuspid insufficiency
Which procedures does Dr. Oneill perform as a Cardiologist?
As a Cardiologist, procedures performed by a Dr. William Oneill may include:
- Absent Pulmonary Valve Repair
- Anomalous Coronary Artery Angiography
- Anticoagulation Management
- Aortic Stenosis Repair
- Aortic Valve Repair / Replacement
- Aortopulmonary Window Repair
- Arterial Doppler
- Balloon Septostomy
For detailed information, please contact Dr. Oneill's office.
Does Dr. Oneill accept my insurance?
Dr. Oneill accepts most major insurance plans. Important: Please call our office at before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Oneill accept in Naples, FL?
Dr. Oneill in Naples, FL accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
Aetna
All Other Third Party
Blue Cross Blue Shield
Blue Cross Blue Shield of Illinois
Blue Cross Blue Shield of Michigan
Capital Blue Cross
Cigna
CMS
Elevance Health Inc. (formerly Anthem)
Medicare
View All Insurances
Where is Dr. Oneill's office located?
Recognitions
Memberships & Associations
Henry Ford Medical Group
Member
What is Dr. Oneill's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Oneill's National Provider Identifier (NPI) number is 1881676435.
What common questions do patients ask about Dr. Oneill?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Oneill
What is Dr. William Oneill's specialty?
Dr. Oneill is a Cardiologist near Naples, FL. An internist specializing in cardiovascular diseases focuses on the diagnosis and management of complex heart and blood vessel conditions, including heart attacks and life-threatening arrhythmias. Contact Dr. Oneill to book an appointment today.
Is this Dr. William Oneill affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Oneill is affiliated with Henry Ford Hospital which is a Castle Connolly Top Hospital. Castle Connolly Top Hospitals are healthcare institutions recognized for their excellence in specific medical procedures and overall patient care. They are identified through a rigorous peer nomination process, evaluating factors like patient outcomes, quality of care, and expertise. The list recognizes hospitals that excel in 20 or more specific medical procedures, representing the top 25% nationwide. Castle Connolly Top Hospitals
Where can I learn more about Cardiologist?
Explore Cardiologist with insights from trusted medical experts on EverydayHealth.com, where you'll find the most relevant content and helpful condition guides for up-to date information about symptoms, causes, diagnosis, treatment and more. See all our health guides to find trusted information on medical conditions from our experts at Everyday Health.
Is William Oneill accepting new patients in Naples, FL?
Yes, Dr. William Oneill is accepting new patients at this time.
Does Dr. William Oneill offer online booking?
Please contact Dr. Oneill's office for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with William Oneill?
Please contact Dr. Oneill's office for information regarding telehealth appointment availability or for scheduling assistance.
Which board certifications does Dr. William Oneill have?
Dr. William Oneill is certified by the American Board of Internal Medicine.
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