LU
Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Ungar, Clinical Cardiac Electrophysiologist in Pasadena, CA?
Dr. Leo Ungar, MD is a Clinical Cardiac Electrophysiologist, who primarily practices in Pasadena, CA with 1 additional practice location. Dr. Ungar is fluent in English and Spanish, and is currently seeing new patients. Dr. Ungar’s practice accepts Kaiser Permanente, Medicaid, Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Ungar’s office at (626) 793-4130.
What languages does Dr. Ungar speak?
Dr. Ungar and their clinical team can communicate with patients in the following languages:
English
Spanish
What conditions does a Clinical Cardiac Electrophysiologist like Dr. Ungar typically treat?
As a Clinical Cardiac Electrophysiologist, Dr. Ungar 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. Ungar. 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.
Also known as:
- Chest Pain
- Chest discomfort
- Thoracic pain
- Pectoral pain
ICD-10 Codes:
- R0789: Other chest pain
Also known as:
- Other Heart Rhythm Disorder
- Atrial Fibrillation
- Heart Palpitations
- Arrhythmia
- Cardiac Dysrhythmia
- Irregular Heartbeat
- Heart Rhythm Problems
- Afib
- A-fib
- Irregular heart rhythm
- Skipped Heartbeat
- Fluttering Heart
- Pounding Heart
ICD-10 Codes:
- I498: Other specified cardiac arrhythmias
- I480: Paroxysmal atrial fibrillation
- R002: Palpitations
Also known as:
- Abnormal EKG
- Heart Health Tests
- Irregular Electrocardiogram
- Unusual Heart Rhythm Test
- ECG Abnormalities
ICD-10 Codes:
- R9431: Abnormal electrocardiogram [ECG] [EKG]
Also known as:
- Shortness of Breath
- Breathing Problems
- Difficulty breathing
- Breathlessness
- Dyspnea
ICD-10 Codes:
- R0602: Shortness of breath
Also known as:
- Muscle Weakness
- Muscle Disorder
- Loss of strength
- Fatigue
- Muscle fatigue
ICD-10 Codes:
- R531: Weakness
Also known as:
- Dizziness
- Dizziness and Vertigo
- Lightheadedness
- Giddiness
- Vertigo
ICD-10 Codes:
- R42: Dizziness and giddiness
What procedures does a Clinical Cardiac Electrophysiologist like Dr. Ungar typically perform?
As a Clinical Cardiac Electrophysiologist, Dr. Ungar 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. Ungar. 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.
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:
- Leadless Pacemaker Insertion
- Transcatheter Pacemaker
- Wireless Pacemaker Implant
- Right Ventricular Pacemaker
CPT Codes:
- 33274: Transcatheter insertion or replacement of permanent leadless pacemaker, right ventricular, including imaging guidance (eg, fluoroscopy, venous ultrasound, ventriculography, femoral venography) and device evaluation (eg, interrogation or programming), when performed
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:
- Left Ventricle Pacing Lead Insertion
- Cardiac Pacing Electrode Placement
- LV Lead Insertion
- Pacemaker Upgrade Lead
CPT Codes:
- 33225: Insertion of pacing electrode, cardiac venous system, for left ventricular pacing, at time of insertion of implantable defibrillator or pacemaker pulse generator (eg, for upgrade to dual chamber system) (List separately in addition to code for primary procedure)
Does Dr. Ungar accept my insurance?
Dr. Ungar accepts most major insurance plans. Important: Please call our office at (626) 793-4130 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Ungar accept in Pasadena, CA?
Dr. Ungar in Pasadena, CA accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
All Other Commercial
All Other Third Party
Centene Corporation
City of Los Angeles
Heritage Health
Kaiser Permanente
OptumRx Administered Payer
State of California
UnitedHealth Group
Unknown
View All Insurances
Where is Dr. Ungar's office located?
Dr. Leo Ungar's Primary Practice
625 S Fair Oaks Ave Ste 215
Pasadena, CA 91105
(626) 793-4130
What is Dr. Ungar's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Ungar's National Provider Identifier (NPI) number is 1851702088.
What common questions do patients ask about Dr. Ungar?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Ungar
What is Dr. Leo Ungar's specialty?
Dr. Ungar is a Clinical Cardiac Electrophysiologist near Pasadena, CA.
What does a Clinical Cardiac Electrophysiologist do?
A specialized domain within the cardiovascular disease subspecialty of Internal Medicine that involves advanced technical procedures to evaluate heart rhythms and determine the most appropriate treatments.
Is this Dr. Leo Ungar affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Ungar is affiliated with Huntington Hospital (pasadena, Ca), Usc Arcadia Hospital, Kaiser Permanente Los Angeles Medical Center, San Gabriel Valley Medical Center, Alhambra Hospital Medical Center, Dignity Health - Glendale Memorial Hospital & Health 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 Clinical Cardiac Electrophysiologist?: Guides for symptoms, conditions, and treatments
Understand your symptoms and know when it’s time to see a Clinical Cardiac Electrophysiologist. 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 Leo Ungar accepting new patients in Pasadena, CA?
Yes, Dr. Leo Ungar is accepting new patients at this time.
Does Dr. Leo Ungar offer online booking?
Please contact Dr. Ungar's office at (626) 793-4130 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Leo Ungar?
Please contact Dr. Ungar's office at (626) 793-4130 for information regarding telehealth appointment availability or for scheduling assistance.
Other Clinical Cardiac Electrophysiologist Near Pasadena, CA

Clinical Cardiac Electrophysiologist
Dr. Mayer Rashtian, MD is a Clinical Cardiac Electrophysiologist, who primarily practices in Pasadena, CA.
Pasadena, CA
JV
Clinical Cardiac Electrophysiologist
Dr. Jesus Vazquez, MD is a Clinical Cardiac Electrophysiologist, who primarily practices in Arcadia, CA with 1 additional practice location. He is board certified.
Arcadia, CA
SD
Clinical Cardiac Electrophysiologist
Dr. Srikant Duggirala, MD is a Clinical Cardiac Electrophysiologist, who primarily practices in Covina, CA with 2 additional practice locations. He is board certified.
Covina, CA