30 Years of Experience
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Ong, Specialist in Tarzana, CA?
Dr. James Ong, MD is a Specialist, who primarily practices in Tarzana, CA. He has been practicing for over 30 years and is board certified. Dr. Ong graduated from University of California and completed his residency at Cedars-Sinai Med Ctr, Cardiovascular Diseases; Vet Affairs Med Ctr-W La, Internal Medicine. Dr. Ong is fluent in English and Chinese, and is currently seeing new patients. Dr. Ong’s practice accepts Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Ong’s office at (818) 342-5377.
Where did Dr. Ong go to medical school and complete their residency?
Fellowship: Cedar Sinai Medical Center, Los Angeles, CA
Residency: Cedars-Sinai Med Ctr, Cardiovascular Diseases; Vet Affairs Med Ctr-W La, Internal Medicine | Ucla/west La Vamc | University of California, Los Angeles (UCLA) Affiliated Hospitals | VA Greater Los Angeles Healthcare System
Medical School: University of Ca, San Diego, Sch of Med, La Jolla Ca | University of California
Is Dr. Ong board certified as a Specialist?
Yes, Dr. James Ong, MD is board certified by the American Board of Internal Medicine
What languages does Dr. Ong speak?
Dr. Ong and their clinical team can communicate with patients in the following languages:
Chinese
English
What conditions does a Specialist like Dr. Ong typically treat?
As a Specialist, Dr. Ong 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. Ong. 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:
- Other Heart Rhythm Disorder
- Atrial Fibrillation
- Arrhythmia
- Cardiac Dysrhythmia
- Irregular Heartbeat
- Heart Rhythm Problems
- Afib
- A-fib
- Irregular heart rhythm
ICD-10 Codes:
- I498: Other specified cardiac arrhythmias
- I480: Paroxysmal atrial fibrillation
Also known as:
- Other Cardiac Implants
- Heart Devices
- Cardiac Grafts
- Implantable Heart Devices
ICD-10 Codes:
- Z95818: Presence of other cardiac implants and grafts
Also known as:
- Having a Pacemaker
- Pacemakers and Implantable Defibrillators
- Heart pacemaker
- Artificial pacemaker
- Implanted heart device
ICD-10 Codes:
- Z950: Presence of cardiac pacemaker
What procedures does a Specialist like Dr. Ong typically perform?
As a Specialist, Dr. Ong performs a variety of medical procedures. This procedure information is derived from anonymized insurance claims and highlights the medical procedures most commonly performed by Dr. Ong. 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:
- Subcutaneous Cardiac Rhythm Monitor Insertion
- Implantable Loop Recorder Insertion
- Under-Skin Heart Monitor
- Cardiac Event Recorder Implant
CPT Codes:
- 33285: Insertion, subcutaneous cardiac rhythm monitor, including programming
Also known as:
- Removal of Implantable Heart Monitor
- Subcutaneous Cardiac Monitor Removal
- Loop Recorder Removal
- Implantable Loop Recorder Excision
CPT Codes:
- 33286: Removal, subcutaneous cardiac rhythm monitor
Also known as:
- Major Vein Catheter Insertion
- Central Venous Catheter Placement
- Vena Cava Catheterization
- IVC/SVC Catheter Insertion
CPT Codes:
- 36010: Introduction of catheter, superior or inferior vena cava
Also known as:
- Dual-Chamber Pacemaker Insertion
- Permanent Pacemaker Placement
- Atrial and Ventricular Pacemaker
- Heart Rhythm Device Implantation
CPT Codes:
- 33208: Insertion of new or replacement of permanent pacemaker with transvenous electrode(s); atrial and ventricular
Also known as:
- Pacemaker Battery Replacement (Dual Lead)
- Pacemaker Generator Exchange
- Dual Lead Pacemaker Replacement
- Heart Pacemaker Battery Change
- Pacemaker Pulse Generator Replacement
CPT Codes:
- 33228: Removal of permanent pacemaker pulse generator with replacement of pacemaker pulse generator; dual lead system
Also known as:
- Implantable Defibrillator Placement
- ICD insertion
- Permanent defibrillator implant
- Heart defibrillator replacement
- Transvenous defibrillator system
CPT Codes:
- 33249: Insertion or replacement of permanent implantable defibrillator system, with transvenous lead(s), single or dual chamber
Also known as:
- Defibrillator Generator Replacement
- ICD Generator Change
- Implantable Defibrillator Battery Change
- Defibrillator Device Replacement
CPT Codes:
- 33264: Removal of implantable defibrillator pulse generator with replacement of implantable defibrillator pulse generator; multiple lead system
Does Dr. Ong accept my insurance?
Dr. Ong accepts most major insurance plans. Important: Please call our office at (818) 342-5377 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Ong accept in Tarzana, CA?
Dr. Ong in Tarzana, CA accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
All Other Third Party
Blue Shield of California
Centene Corporation
Cigna Group
City of Los Angeles
CVS Health (formerly Aetna)
Elevance Health Inc. (formerly Anthem)
Medicare
Mutual of Omaha
UnitedHealth Group
View All Insurances
Where is Dr. Ong's office located?
What is Dr. Ong's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Ong's National Provider Identifier (NPI) number is 1912955980.
What common questions do patients ask about Dr. Ong?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Ong
What is Dr. James Ong's specialty?
Dr. Ong is a Specialist near Tarzana, CA.
Is this Dr. James Ong affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Ong is affiliated with Providence Holy Cross Medical Center, Los Robles Regional Medical Center which are a Castle Connolly Top Hospitals. 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
When to see a Specialist?: Guides for symptoms, conditions, and treatments
Understand your symptoms and know when it’s time to see a Specialist. 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 James Ong accepting new patients in Tarzana, CA?
Yes, Dr. James Ong is accepting new patients at this time.
Does Dr. James Ong offer online booking?
Please contact Dr. Ong's office at (818) 342-5377 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with James Ong?
Please contact Dr. Ong's office at (818) 342-5377 for information regarding telehealth appointment availability or for scheduling assistance.
Which board certifications does Dr. James Ong have?
Dr. James Ong 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>