JG
Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Gresham, Interventional Cardiologist in San Antonio, TX?
Dr. John Gresham, MD is an Interventional Cardiologist, who primarily practices in San Antonio, TX with 2 additional practice locations. He is board certified. Dr. Gresham graduated from Eastern Virginia Medical School. Dr. Gresham is fluent in English and Spanish, and is currently seeing new patients. Dr. Gresham’s practice accepts Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Gresham’s office at (210) 499-0448.
Where did Dr. Gresham go to medical school and complete their residency?
Medical School: Eastern Virginia Medical School | The University of Texas School of Medicine at San Antonio
Is Dr. Gresham board certified as an Interventional Cardiologist?
Yes, Dr. John Gresham, MD is board certified by the American Board of Internal Medicine
What languages does Dr. Gresham speak?
Dr. Gresham and their clinical team can communicate with patients in the following languages:
English
Spanish
What conditions does an Interventional Cardiologist like Dr. Gresham typically treat?
As an Interventional Cardiologist, Dr. Gresham 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. Gresham. 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:
- 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
Also known as:
- Heart Palpitations
- Atrial Fibrillation
- Arrhythmia
- Skipped Heartbeat
- Fluttering Heart
- Pounding Heart
- Afib
- A-fib
- Irregular heart rhythm
ICD-10 Codes:
- R002: Palpitations
- I480: Paroxysmal atrial fibrillation
Also known as:
- Chest Pain
- Precordial pain
- Chest discomfort
- Thoracic pain
ICD-10 Codes:
- R072: Precordial pain
What procedures does an Interventional Cardiologist like Dr. Gresham typically perform?
As an Interventional Cardiologist, Dr. Gresham 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. Gresham. 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:
- Radiofrequency Vein Ablation
- Vein Closure with Chemical Adhesive
- Endovenous Radiofrequency Ablation
- RF Ablation for Varicose Veins
- Vein Closure Procedure
- Varicose Vein Treatment
- Endovenous Chemical Ablation
- Varicose Vein Glue Treatment
- Cyanoacrylate Vein Ablation
- VenaSeal Procedure
CPT Codes:
- 36475: Endovenous ablation therapy of incompetent vein, extremity, inclusive of all imaging guidance and monitoring, percutaneous, radiofrequency; first vein treated
- 36482: Endovenous ablation therapy of incompetent vein, extremity, by transcatheter delivery of a chemical adhesive (eg, cyanoacrylate) remote from the access site, inclusive of all imaging guidance and monitoring, percutaneous; first vein treated
Also known as:
- Foam Sclerotherapy for Varicose Veins
- Varicose vein foam injection
- Ultrasound-guided sclerotherapy
- Saphenous vein treatment
CPT Codes:
- 36465: Injection of non-compounded foam sclerosant with ultrasound compression maneuvers to guide dispersion of the injectate, inclusive of all imaging guidance and monitoring; single incompetent extremity truncal vein (eg, great saphenous vein, accessory saphenous vein)
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
Does Dr. Gresham accept my insurance?
Dr. Gresham accepts most major insurance plans. Important: Please call our office at (210) 499-0448 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Gresham accept in San Antonio, TX?
Dr. Gresham in San Antonio, TX accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
All Other Third Party
BCBS Unspecified
Cigna Group
CVS Health (formerly Aetna)
Federal government of the United States
Health Care Service Corporation
Humana
Medicare
Oscar Health
UnitedHealth Group
View All Insurances
Where is Dr. Gresham's office located?
Dr. John Gresham's Primary Practice
540 Oak Centre Dr Ste 260
San Antonio, TX 78258
(210) 499-0448
What is Dr. Gresham's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Gresham's National Provider Identifier (NPI) number is 1619170347.
What common questions do patients ask about Dr. Gresham?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Gresham
What is Dr. John Gresham's specialty?
Dr. Gresham is a Interventional Cardiologist near San Antonio, TX.
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 Gresham affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Gresham is affiliated with Carteret Health Care, Baptist Medical Center - San Antonio, Methodist Hospital - San Antonio, South Texas Spine & Surgical 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 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 Gresham accepting new patients in San Antonio, TX?
Yes, Dr. John Gresham is accepting new patients at this time.
Does Dr. John Gresham offer online booking?
Please contact Dr. Gresham's office at (210) 499-0448 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with John Gresham?
Please contact Dr. Gresham's office at (210) 499-0448 for information regarding telehealth appointment availability or for scheduling assistance.
Which board certifications does Dr. John Gresham have?
Dr. John Gresham is certified by the American Board of Internal Medicine.
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