JB
32 Years of Experience
Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Baker, Interventional Cardiologist in Santa Ana, CA?
Dr. John Baker, MD is an Interventional Cardiologist, who primarily practices in Santa Ana, CA with 1 additional practice location. He has been practicing for over 32 years. Dr. Baker graduated from Keck School of Medicine of the University of Southern California and completed his residency at Ucla Med Ctr/Ucla D Geffen Sch, Cardiovascular Diseases; St Mary Med Ctr, Cardiovascular Diseases; Univ S Ca Sch Of Med, Internal Medicine; Kaiser Permanente Med Ctr, Internal Medicine. Dr. Baker is fluent in English and Spanish, and is currently seeing new patients. Dr. Baker’s practice accepts Kaiser Permanente, Medicaid, Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Baker’s office at (714) 568-6600.
Where did Dr. Baker go to medical school and complete their residency?
Residency: Ucla Med Ctr/Ucla D Geffen Sch, Cardiovascular Diseases; St Mary Med Ctr, Cardiovascular Diseases; Univ S Ca Sch Of Med, Internal Medicine; Kaiser Permanente Med Ctr, Internal Medicine | University of Utah Program
Medical School: University of Southern Ca Sch of Med, Los Angeles Ca | Keck School of Medicine of the University of Southern California
What languages does Dr. Baker speak?
Dr. Baker and their clinical team can communicate with patients in the following languages:
English
Spanish
What conditions does an Interventional Cardiologist like Dr. Baker typically treat?
As an Interventional Cardiologist, Dr. Baker 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. Baker. 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:
- Abnormal EKG
- Heart Health Tests
- Irregular Electrocardiogram
- Unusual Heart Rhythm Test
- ECG Abnormalities
ICD-10 Codes:
- R9431: Abnormal electrocardiogram [ECG] [EKG]
Also known as:
- Abnormal Heartbeat
- Arrhythmia
- Irregular Heartbeat
- Heart Rhythm Disorder
- Cardiac Arrhythmia
ICD-10 Codes:
- R008: Other abnormalities of heart beat
Also known as:
- Chest Pain
- Chest discomfort
- Thoracic pain
- Pectoral pain
ICD-10 Codes:
- R0789: Other chest pain
Also known as:
- Shortness of Breath
- Breathing Problems
- Difficulty breathing
- Breathlessness
- Dyspnea
ICD-10 Codes:
- R0602: Shortness of breath
Also known as:
- High Blood Pressure
- Hypertension
- Primary Hypertension
- Essential Hypertension
ICD-10 Codes:
- I10: Essential (primary) hypertension
What procedures does an Interventional Cardiologist like Dr. Baker typically perform?
As an Interventional Cardiologist, procedures performed by Dr. John Baker may include:
- Balloon Angioplasty / Stent
- Cardiac Catheterization
- Carotid Endarterectomy
- Heart Valve Repair / Valvuloplasty
- Pacemaker Implant
Please contact Dr. Baker's office directly to confirm care for your specific procedure, for more information, or to schedule a consultation.
Does Dr. Baker accept my insurance?
Dr. Baker accepts most major insurance plans. Important: Please call our office at (714) 568-6600 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Baker accept in Santa Ana, CA?
Dr. Baker in Santa Ana, 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
Centene Corporation
Elevance Health Inc. (formerly Anthem)
Heritage Health
Humana
Medicare
Other Health Care Provider
State of California
UnitedHealth Group
Unknown
View All Insurances
Where is Dr. Baker's office located?
Dr. John Baker's Primary Practice
801 N Tustin Ave Ste 706
Santa Ana, CA 92705
(714) 568-6600
What is Dr. Baker's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Baker's National Provider Identifier (NPI) number is 1124022850.
What common questions do patients ask about Dr. Baker?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Baker
What is Dr. John Baker's specialty?
Dr. Baker is a Interventional Cardiologist near Santa Ana, CA.
What does an Interventional Cardiologist do?
A branch of medicine within cardiology that employs advanced imaging and diagnostic techniques to assess blood flow and pressure in the coronary arteries and heart chambers. This specialty also utilizes technical procedures and medications to address abnormalities that affect cardiovascular function.
Is this Dr. John Baker affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Baker is affiliated with Ahmc Anaheim Regional Medical Center, Orange County Global Medical Center, Uci Medical Center, Uci Health - Placentia Linda, Providence St. Jude Medical Center, Kaiser Permanente Orange County - Anaheim 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 an Interventional Cardiologist?: Guides for symptoms, conditions, and treatments
Understand your symptoms and know when it’s time to see an Interventional 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 John Baker accepting new patients in Santa Ana, CA?
Yes, Dr. John Baker is accepting new patients at this time.
Does Dr. John Baker offer online booking?
Please contact Dr. Baker's office at (714) 568-6600 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with John Baker?
Please contact Dr. Baker's office at (714) 568-6600 for information regarding telehealth appointment availability or for scheduling assistance.
Other Interventional Cardiologist Near Santa Ana, CA

Interventional Cardiologist
Dr. Harinder Gogia, MD is an Interventional Cardiologist, who primarily practices in Santa Ana, CA. He is board certified.
Santa Ana, CA
SH
Interventional Cardiologist
Dr. Sean Hirota, MD is an Interventional Cardiologist, who primarily practices in Santa Ana, CA.
Santa Ana, CA

Dr. Sendhil Krishnan, MD is an Interventional Cardiologist, who primarily practices in Orange, CA with 2 additional practice locations. He is board certified.
Orange, CA
BOOK APPOINTMENT