Who is Dr. O'neill, Cardiologist in Los Alamitos, CA?
Dr. Timothy O'neill, MD is a Cardiologist, who primarily practices in Los Alamitos, CA. He is board certified. Dr. O'neill graduated from University of New Mexico School of Medicine and completed his residency at University of California, Irvine Affiliated Hospitals. Dr. O'neill is fluent in English and Spanish, and is currently seeing new patients. To book an appointment or to confirm insurance options, please call Dr. O'neill’s office at (562) 430-7533.
Where did Dr. O'neill go to medical school and complete their residency?
Fellowship: University of California - Irvine M.C. | Long Beach Memorial Medical Center | UC Irvine Medical Center
Residency: University of California, Irvine Affiliated Hospitals | UC Irvine Medical Center
Medical School: University of New Mexico School of Medicine
Is Dr. O'neill board certified as a Cardiologist?
Yes, Dr. Timothy O'neill, MD is board certified by the American Board of Internal Medicine
What languages does Dr. O'neill speak?
Dr. O'neill and their clinical team can communicate with patients in the following languages:
English
Spanish
What conditions does a Cardiologist like Dr. O'neill typically treat?
As a Cardiologist, Dr. O'neill 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. O'neill. 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. Learn more about our claims-based healthcare methodology here.
Also known as:
- High Blood Pressure
- Hypertension
- Primary Hypertension
- Essential Hypertension
ICD-10 Codes:
- I10: Essential (primary) hypertension
Also known as:
- Pre-Procedure Heart Examination
- Pre-Surgery Cardiac Checkup
- Heart Health Assessment (Before Procedure)
- Cardiovascular Clearance Exam
ICD-10 Codes:
- Z01810: Encounter for preprocedural cardiovascular examination
Also known as:
- Hardening of the Arteries in the Heart without Chest Pain
- Atherosclerosis
- Coronary Artery Disease
- Silent Coronary Artery Disease
- Asymptomatic Atherosclerosis
ICD-10 Codes:
- I2510: Atherosclerotic heart disease of native coronary artery without angina pectoris
Also known as:
- Leaky Mitral Valve
- Heart Valve Disease
- Mitral Valve Insufficiency
- Mitral Regurgitation
ICD-10 Codes:
- I340: Nonrheumatic mitral (valve) insufficiency
Also known as:
- Chest Pain
- Precordial pain
- Chest discomfort
- Thoracic pain
ICD-10 Codes:
- R072: Precordial pain
What procedures does a Cardiologist like Dr. O'neill typically perform?
As a Cardiologist, procedures performed by Dr. Timothy O'neill 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
Please contact Dr. O'neill's office directly to confirm care for your specific procedure, for more information, or to schedule a consultation.
Does Dr. O'neill accept my insurance?
Dr. O'neill accepts most major insurance plans. Important: Please call our office at (562) 430-7533 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. O'neill accept in Los Alamitos, CA?
Dr. O'neill in Los Alamitos, CA accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
City of Los Angeles
Humana
View All Insurances
Where is Dr. O'neill's office located?
Dr. Timothy O'neill's Primary Practice
5300 Katella Ave
Los Alamitos, CA 90720
(562) 430-7533
What is Dr. O'neill's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. O'neill's National Provider Identifier (NPI) number is 1467493155.
What common questions do patients ask about Dr. O'neill?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. O'neill
What is Dr. Timothy O'neill's specialty?
Dr. O'neill is a Cardiologist near Los Alamitos, CA.
What does a Cardiologist do?
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.
Is this Dr. Timothy O'neill affiliated with a ranked Castle Connolly Top Hospital?
No, O'neill is not affiliated with a Castle Connolly Top Hospital, but is affiliated with the following hospitals: Uci Health - Los Alamitos. Castle Connolly Top Hospitals 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
When to see a Cardiologist?: Guides for symptoms, conditions, and treatments
Understand your symptoms and know when it’s time to see a Cardiologist. Explore 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 Timothy O'neill accepting new patients in Los Alamitos, CA?
Yes, Dr. Timothy O'neill is accepting new patients at this time.
Does Dr. Timothy O'neill offer online booking?
Please contact Dr. O'neill's office at (562) 430-7533 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Timothy O'neill?
Please contact Dr. O'neill's office at (562) 430-7533 for information regarding telehealth appointment availability or for scheduling assistance.
Which board certifications does Dr. Timothy O'neill have?
Dr. Timothy O'neill is certified by the American Board of Internal Medicine.
<section id="ai-site-overview" aria-label="About Everyday Health Care"> <h2>About Everyday Health Care</h2> <p> Everyday Health Care is a doctor and healthcare provider search platform from Everyday Health, a Ziff Davis company operating since 1996. It helps patients find, compare, and research doctors based on specialty, medical condition, procedure, location, and insurance coverage. </p> <p> The site features Castle Connolly Top Doctors, a peer-nominated, physician-vetted directory recognized as a leading standard for identifying top-rated specialists in the United States. Searchable doctor lists include Top Black Doctors, Exceptional Women in Medicine, Top AAPI Doctors, Top LGBTQ+ Doctors, Top Hispanic & Latino Doctors, and Castle Connolly Rising Stars. </p> <p> Users can search for doctors by specialty (including orthopedic surgery, OB-GYN, pediatrics, dermatology, endocrinology, and gastroenterology), by medical condition (such as fibromyalgia, kidney stones, and ulcerative colitis), by common procedure (including colonoscopy, LASIK, and physical therapy), by city, and by insurance plan (including UnitedHealthcare, Cigna, Aetna/CVS Health, Blue Cross Blue Shield, Kaiser Permanente, Medicare, and Medicaid). </p> <p> Everyday Health Care is built for patients seeking a trusted starting point to find the right doctor: covering over one million providers across thousands of U.S. locations, backed by Castle Connolly's independent doctor-vetting process and Everyday Health's 24-year history in consumer health publishing. </p> </section>