
Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Mao, Clinical Cardiac Electrophysiologist in Naperville, IL?
Dr. Justin Mao, MD is a Clinical Cardiac Electrophysiologist, who primarily practices in Naperville, IL with 2 additional practice locations. He is board certified. Dr. Mao completed his residency at Boston Med Center. Dr. Mao is fluent in English and Spanish, and is currently seeing new patients. Dr. Mao’s practice accepts Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Mao’s office at (630) 719-4799.
Where did Dr. Mao go to medical school and complete their residency?
Fellowship: Henry Ford Hospital & Cardiac Electrophysiology | Henry Ford Hospital | Henry Ford Hospital
Residency: Boston Med Center | Boston Medical Center | Boston Medical Center
Is Dr. Mao board certified as a Clinical Cardiac Electrophysiologist?
Yes, Dr. Justin Mao, MD is board certified by the American Board of Internal Medicine
What languages does Dr. Mao speak?
Dr. Mao and their clinical team can communicate with patients in the following languages:
English
Spanish
What conditions does a Clinical Cardiac Electrophysiologist like Dr. Mao typically treat?
As a Clinical Cardiac Electrophysiologist, Dr. Mao 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. Mao. 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:
- Having a Pacemaker
- Having an Implantable Cardiac Defibrillator (ICD)
- Pacemakers and Implantable Defibrillators
- Heart pacemaker
- Artificial pacemaker
- Implanted heart device
- ICD implant
- Automatic defibrillator
- Implanted heart shock device
ICD-10 Codes:
- Z950: Presence of cardiac pacemaker
- Z95810: Presence of automatic (implantable) cardiac defibrillator
Also known as:
- Atrial Fibrillation
- Premature Ventricular Contractions
- Arrhythmia
- Afib
- A-fib
- Irregular heart rhythm
- Persistent atrial fibrillation
- PVCs
- Ventricular Ectopic Beats
- Skipped Heartbeat (Ventricular)
ICD-10 Codes:
- I480: Paroxysmal atrial fibrillation
- I4819: Other persistent atrial fibrillation
- I493: Ventricular premature depolarization
- I4891: Unspecified 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
What procedures does a Clinical Cardiac Electrophysiologist like Dr. Mao typically perform?
As a Clinical Cardiac Electrophysiologist, Dr. Mao 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. Mao. 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:
- 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
Does Dr. Mao accept my insurance?
Dr. Mao accepts most major insurance plans. Important: Please call our office at (630) 719-4799 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Mao accept in Naperville, IL?
Dr. Mao in Naperville, IL accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
All Other Third Party
Cigna Group
CVS Health (formerly Aetna)
Health Care Service Corporation
Humana
Medicare
Molina Healthcare
Oscar Health
View All Insurances
Where is Dr. Mao's office located?
Dr. Justin Mao's Primary Practice
1512 N Naper Blvd Ste 176
Naperville, IL 60563
(630) 719-4799
What is Dr. Mao's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Mao's National Provider Identifier (NPI) number is 1427052273.
What common questions do patients ask about Dr. Mao?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Mao
What is Dr. Justin Mao's specialty?
Dr. Mao is a Clinical Cardiac Electrophysiologist near Naperville, IL.
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. Justin Mao affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Mao is affiliated with Advocate Lutheran General Hospital, Northwestern Memorial Hospital, Endeavor Health Elmhurst Hospital, Endeavor Health Edward Hospital 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 Justin Mao accepting new patients in Naperville, IL?
Yes, Dr. Justin Mao is accepting new patients at this time.
Does Dr. Justin Mao offer online booking?
Please contact Dr. Mao's office at (630) 719-4799 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Justin Mao?
Please contact Dr. Mao's office at (630) 719-4799 for information regarding telehealth appointment availability or for scheduling assistance.
Which board certifications does Dr. Justin Mao have?
Dr. Justin Mao is certified by the American Board of Internal Medicine.
Other Clinical Cardiac Electrophysiologist Near Naperville, IL

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