JT
Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Tretter, Cardiologist in Phoenix, AZ?
Dr. John Tretter, MD is a Cardiologist, who primarily practices in Phoenix, AZ with 2 additional practice locations. He is board certified by the American Board of Internal Medicine. Dr. Tretter completed his residency at Mt Sinai Med Ctr, Cardiovascular Diseases; Harbor Hosp Ctr, Internal Medicine. Dr. Tretter is fluent in English and Spanish, and is currently seeing new patients. Dr. Tretter’s practice accepts Cigna, Kaiser Permanente, Medicaid, Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Tretter’s office.
Where did Dr. Tretter go to medical school and complete their residency?
Residency: Mt Sinai Med Ctr, Cardiovascular Diseases; Harbor Hosp Ctr, Internal Medicine | Harbor Hospital
Is Dr. Tretter board certified in Cardiologist?
Yes, Dr. John Tretter, MD is board certified by the American Board of Internal Medicine
What languages does Dr. Tretter speak?
Dr. Tretter and their clinical team can communicate with patients in the following languages:
English
Spanish
What conditions does Dr. Tretter treat?
As a Cardiologist, Dr. Tretter 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. Tretter. 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:
- 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:
- Atrial Fibrillation
- Heart Palpitations
- Slow Heart Rate
- Arrhythmia
- Afib
- A-fib
- Irregular heart rhythm
- Skipped Heartbeat
- Fluttering Heart
- Pounding Heart
- Bradycardia
- Slow Pulse
- Low Heart Rate
ICD-10 Codes:
- I4891: Unspecified atrial fibrillation
- R002: Palpitations
- I480: Paroxysmal atrial fibrillation
- R001: Bradycardia, unspecified
Also known as:
- Chest Pain
- Chest discomfort
- Thoracic pain
- Upper body pain
- Precordial pain
ICD-10 Codes:
- R079: Chest pain, unspecified
- R072: Precordial pain
Also known as:
- High Blood Pressure
- Hypertension
- Primary Hypertension
- Essential Hypertension
ICD-10 Codes:
- I10: Essential (primary) hypertension
Also known as:
- Shortness of Breath
- Breathing Problems
- Difficulty breathing
- Breathlessness
- Dyspnea
ICD-10 Codes:
- R0602: Shortness of breath
- R0609: Other forms of dyspnea
Also known as:
- Lower Back Nerve Root Pain
- Back Pain
- Peripheral Nerve Disorder
- Pinched Nerve in Lower Back
- Lumbosacral Radiculopathy
- Sciatica
ICD-10 Codes:
- M5417: Radiculopathy, lumbosacral region
Also known as:
- Pinched Nerve in Neck
- Pinched Nerve in Lower Back
- Neck Injuries and Disorder
- Peripheral Nerve Disorder
- Back Pain
- Cervical Radiculopathy
- Neck Nerve Compression
- Compressed Nerve in Neck
- Lumbar Radiculopathy
- Lower Back Nerve Compression
- Compressed Nerve in Lower Back
ICD-10 Codes:
- M5412: Radiculopathy, cervical region
- M5416: Radiculopathy, lumbar region
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:
- 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:
- Vascular Disease
- Bilateral Chronic Venous Disease
- Both Legs Vein Complications
ICD-10 Codes:
- I87393: Chronic venous hypertension (idiopathic) with other complications of bilateral lower extremity
Also known as:
- Cardiomyopathy
- Heart Muscle Disease
- Enlarged Heart
ICD-10 Codes:
- I429: Cardiomyopathy, unspecified
Also known as:
- Fainting
- Syncope
- Passing out
- Collapse
ICD-10 Codes:
- R55: Syncope and collapse
Also known as:
- Therapeutic Drug Monitoring
- Drug level testing
- Medication monitoring
- Therapeutic drug management
ICD-10 Codes:
- Z5181: Encounter for therapeutic drug level monitoring
Also known as:
- Heart Failure
- Congestive Heart Failure
- CHF
- Cardiac Insufficiency
ICD-10 Codes:
- I509: Heart failure, unspecified
Which procedures does Dr. Tretter perform as a Cardiologist?
As a Cardiologist, procedures performed by a Dr. John Tretter 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. Tretter's office.
Does Dr. Tretter accept my insurance?
Dr. Tretter 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. Tretter accept in Phoenix, AZ?
Dr. Tretter in Phoenix, AZ accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
Banner Health
Blue Cross Blue Shield of Arizona
Centene
CVS Health (formerly Aetna)
Department of Veterans Affairs
Humana
IASIS Healthcare
Medicare
OptumRx
UnitedHealthcare
View All Insurances
Where is Dr. Tretter's office located?
What is Dr. Tretter's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Tretter's National Provider Identifier (NPI) number is 1346234564.
What common questions do patients ask about Dr. Tretter?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Tretter
What is Dr. John Tretter's specialty?
Dr. Tretter is a Cardiologist near Phoenix, AZ. 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. Tretter to book an appointment today.
Is this Dr. John Tretter affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Tretter is affiliated with Banner Casa Grande Medical Center 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 John Tretter accepting new patients in Phoenix, AZ?
Yes, Dr. John Tretter is accepting new patients at this time.
Does Dr. John Tretter offer online booking?
Please contact Dr. Tretter's office for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with John Tretter?
Please contact Dr. Tretter's office for information regarding telehealth appointment availability or for scheduling assistance.
Which board certifications does Dr. John Tretter have?
Dr. John Tretter is certified by the American Board of Internal Medicine.
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