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Dr. John Gresham, MD

San Antonio, TX

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 by the American Board of Internal Medicine. 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 Cigna, Medicaid, Medicare, UnitedHealthcare 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 in 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 Dr. Gresham treat?

    As a 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.

    Also known as:

    • High Cholesterol
    • Cholesterol
    • Triglycerides
    • Hypercholesterolemia
    • High blood cholesterol
    • Elevated cholesterol
    • Hyperlipidemia
    • High lipids
    • Dyslipidemia

    ICD-10 Codes:

    • E7800: Pure hypercholesterolemia, unspecified
    • E785: Hyperlipidemia, unspecified

    Also known as:

    • High Blood Pressure
    • Hypertension
    • Primary Hypertension
    • Essential Hypertension

    ICD-10 Codes:

    • I10: Essential (primary) hypertension

    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:

    • I480: Paroxysmal atrial fibrillation
    • R002: Palpitations
    • R001: Bradycardia, unspecified

    Also known as:

    • Leaky Mitral Valve
    • Tricuspid Valve Insufficiency
    • Narrowed Aortic Valve
    • Aortic Valve Insufficiency
    • Heart Valve Disease
    • Mitral Valve Insufficiency
    • Mitral Regurgitation
    • Leaky tricuspid valve
    • Tricuspid regurgitation
    • Aortic Valve Stenosis
    • Tight Aortic Valve
    • Leaky aortic valve
    • Aortic regurgitation

    ICD-10 Codes:

    • I340: Nonrheumatic mitral (valve) insufficiency
    • I361: Nonrheumatic tricuspid (valve) insufficiency
    • I350: Nonrheumatic aortic (valve) stenosis
    • I351: Nonrheumatic aortic (valve) insufficiency

    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:

    • Shortness of Breath
    • Breathing Problems
    • Difficulty breathing
    • Breathlessness
    • Dyspnea

    ICD-10 Codes:

    • R0602: Shortness of breath

    Also known as:

    • Chest Pain
    • Precordial pain
    • Chest discomfort
    • Thoracic pain

    ICD-10 Codes:

    • R072: Precordial pain

    Also known as:

    • Hypothyroidism
    • Congenital hypothyroidism
    • Hypothyroidism (Underactive Thyroid)
    • Underactive Thyroid
    • Low Thyroid Function

    ICD-10 Codes:

    • E039: Hypothyroidism, unspecified

    Also known as:

    • Localized Swelling
    • Edema
    • Localized Edema
    • Fluid Retention
    • Swelling in one area

    ICD-10 Codes:

    • R600: Localized edema

    Also known as:

    • Fainting
    • Syncope
    • Passing out
    • Collapse

    ICD-10 Codes:

    • R55: Syncope and collapse

    Also known as:

    • High Blood Pressure Heart Disease
    • Heart Disease
    • High Blood Pressure
    • Hypertensive Cardiomyopathy
    • Heart Problems from High Blood Pressure

    ICD-10 Codes:

    • I119: Hypertensive heart disease without heart failure

    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:

    • Type 2 Diabetes
    • Diabetes Type 2
    • Type 2 diabetes
    • Diabetes Mellitus Type 2
    • Adult-Onset Diabetes
    • Non-Insulin Dependent Diabetes

    ICD-10 Codes:

    • E119: Type 2 diabetes mellitus without complications

    Also known as:

    • Mixed High Cholesterol and Triglycerides
    • Cholesterol
    • Triglycerides
    • Mixed hyperlipidemia
    • Combined hyperlipidemia
    • High lipids

    ICD-10 Codes:

    • E782: Mixed hyperlipidemia

    Which procedures does Dr. Gresham perform as a Interventional Cardiologist?

    As a Interventional Cardiologist, procedures performed by an Dr. John Gresham may include:

    For detailed information, please contact Dr. Gresham's office.

    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

    • CVS Health (formerly Aetna)

    • Department of Defense / Tricare

    • Express Scripts

    • Health Care Service Corporation (HCSC)

    • Humana

    • Medicare

    • Mutual of Omaha

    • Other Health Care Provider

    • UnitedHealthcare

    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

    Get Directions

    Dr. John Gresham's Practice 2

    575 Hill Country Dr Ste 301

    Kerrville, TX 78028

    Get Directions

    Dr. John Gresham's Practice 3

    19276 Stone Oak Pkwy Ste 103

    San Antonio, TX 78258

    (210) 499-0448

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    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. 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. Contact Dr. Gresham to book an appointment today.

    Is this Dr. John Gresham affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Gresham is affiliated with Methodist Stone Oak Hospital, Baptist Medical Center - San Antonio, Peterson Regional Medical Center, Methodist Hospital - San Antonio 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

    Where can I learn more about Interventional Cardiologist?

    Explore Interventional 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 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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