Because Every Heartbeat Matters

Because Every Heartbeat Matters

We help you to live a happy and healthy life with your loved one

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Visit us at 18550 N 6th St, Magnolia, TX 77354, United States



24/7 call us here (281) 807 5253



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Cardiologist In Houston, Texas

Welcome to Northwest Cardiovascular Clinic

Simple, Smart & Intuitive Care

A heart condition can be a life-changing diagnosis. Between doctor’s appointments, surgeries, medical devices, and more, it’s easy for patients to feel overwhelmed. At Northwest Cardiovascular Clinic, we work to simplify the healthcare process for every cardiac patient. We do so by using innovative tools and the latest research to streamline our care. Our Houston cardiologist also prioritizes communication, making sure we truly understand your history, current health, and long-term goals. The result? Healthcare that truly works for you! So if you live in Houston, or nearby areas, and are ready to take control of your cardiac care, please feel free to visit Northwest Cardiovascular Clinic.
Welcome to Northwest Cardiovascular Clinic

Services We Offer

We Specialize In

Our Houston cardiologist offers a variety of services to diagnose and treat cardiovascular disorders. Heart conditions are often difficult to diagnose. This is because these conditions produce a variety of symptoms and each patient has a different experience. Our Treatments and Testing Options Include:
Transesophageal Echocardiography

Transesophageal Echocardiography (TEE)

A transesophageal echocardiogram, or TEE, is an alternative way to perform an echocardiogram.

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Echocardiography is one of the most widely used diagnostic tests in cardiology.

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Cardiac Catheterization

Cardiac Catheterization

Cardiac catheterization (heart cath) is the insertion of a catheter into a chamber or vessel.

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Varicose Vein Treatment

Varicose Vein Treatment

Varicose veins are generally treated with ligation and stripping, laser treatment, or radiofrequency treatment.

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Click here to view all services…


At Northwest Cardiovascular Clinic, our mission is to become a valued partner for each patient by providing personalized and accessible care of top quality.
We thrive on helping you take control of your heart… and your life.

Conditions We Treat

  • Coronary Artery Disease
  • Atrial Fibrillation
  • Congenital Heart Disease
  • Heart Attacks
  • Heart Valve Disease
  • Heart Muscular Disease And Cardiomyopathy
  • Pericarditis
  • Sudden Cardiac Death
  • Abnormal Heart Rhythm (Arrhythmia)

Meet the Doctor

Providing The Best in Patient Care

Our Houston’s cardiac expert is Dr. Ismail T. Dairywala, MD, FACC

Dr. Dairywala is a board-certified physician specialized in cardiovascular diseases, interventional cardiology, and nuclear cardiology. He strives to keep patients feeling comfortable, confident, and valued during their care. With over 20 years of experience, Dr. Dairywala combines his cardiology expertise with his warm, personable bedside manner to create a compassionate healthcare environment for each patient. He understands the value of educating, empowering, and listening to every person he treats.

Patient Care

Qualification & Certification

Educational & Training

Interventional Cardiology, Drexel University Hospital, Philadelphia, Pennsylvania, 2004

Cardiovascular Disease, Drexel University Hospital, Philadelphia, Pennsylvania, 2003

Internal Medicine, Saginaw Cooperative Hospital Inc., Saginaw, Michigan, 1997

Medical Degree (MD)
Dow Medical College, Karachi, Pakistan, 1992

Licensure and Certification
Texas State Medical License

American Board of Internal Medicine (Cardiovascular Disease)

American Board of Internal Medicine (Interventional Cardiology)

American Board of Nuclear Medicine (Nuclear Medicine)

Kussmaul WG 3rd, Bowers B, Dairywala I. Method for coronary angiography in morbidly obese patients. Catheter Cardiovasc Interv. 2005 Jun;65(2):268-70.
PubMed PMID: 15864804.

Dairywala IT, Lokhandwala J, Patrick H, Talucci R, Jain D. Severe refractory hypoxemia following a gunshot injury. Chest. 2005 Jan;127(1):398-401. PubMed PMID: 15654006.

Liu Z, McCormick D, Dairywala IT, Surabhi S, Goldberg S, Turi Z, Vannan MA. Catheter-based intracardiac echocardiography in the interventional cardiac laboratory. Catheter Cardiovasc Interv. 2004 Sep;63(1):63-71. Review. PubMed
PMID: 15343570.

Li P, Dairywala IT, Liu Z, Stewart SR, Mathew B, Bowie D, Vannan MA. /Anatomic / and hemodynamic imaging using a new vector phased-array intracardiac catheter. J Am Soc Echocardiogr. 2002 Apr;15(4):349-55. PubMed PMID: 11944013.

Dairywala IT, Li P, Liu Z, Bowie D, Stewart SR, Bayoumy AA, Murthy TH, Vannan MA. Catheter-based interventions guided solely by a new phased-array intracardiac imaging catheter: in vivo experimental studies. J Am Soc Echocardiogr. 2002 Feb;15(2):150-8. PubMed PMID: 11836490.

Murthy TH, Li P, Locvicchio E, Baisch C, Dairywala IT, Armstrong WF, Vannan M. Real-time myocardial blood flow imaging in normal human beings with the use of myocardial contrast echocardiography. J Am Soc Echocardiogr. 2001 Jul;14(7):698-705. PubMedPMID: 11447415.

Moscucci M, Dairywala IT, Chetcuti S, Mathew B, Li P, Rubenfire M, Vannan MA. Balloon atrial septostomy in end-stage pulmonary hypertension guided by a novel intracardiac echocardiographic transducer. Catheter Cardiovasc Interv. 2001 Apr;52(4):530-4. PubMed PMID: 11285613.

Khan GN, Dairywala IT, Liu Z, Li P, Carroll J, Vannan MA. /Three-dimensional / echocardiography of left atrial appendage thrombus. Echocardiography. 2001. Feb;18(2):163-6. PubMed PMID: 11262541.

Dairywala IT, Li P, Khan GN, Carroll J, Deeb M, Vannan MA. /Mediastinal hematoma / following orthotopic heart transplantation. Echocardiography. 2000. Nov;17(8):737-8. PubMed PMID: 11153022.

Contributions to Major National Clinical Trials
Marso SP, Daniels GH, Brown-Frandsen K, Kristensen P, Mann JF, Nauck MA, Nissen SE, Pocock S, Poulter NR, Ravn LS, Steinberg WM, Stockner M, Zinman B, Bergenstal RM, Buse JB; LEADER Steering Committee; LEADER Trial Investigators.Liraglutide and Cardiovascular Outcomes in Type 2 Diabetes. N Engl J Med. 2016 Jul 28;375(4):311-22. doi: 10.1056/NEJMoa1603827. Epub 2016 PubMedPMID: 27295427; PubMed Central PMCID: PMC4985288.

Mann JFE, Ørsted DD, Brown-Frandsen K, Marso SP, Poulter NR, Rasmussen S, Tornøe K, Zinman B, Buse JB; LEADER Steering Committee and Investigators. Liraglutide and Renal Outcomes in Type 2 Diabetes.N Engl J Med. 2017 Aug 31;377(9):839-848. doi: 10.1056/NEJMoa1616011. PubMed PMID: 28854085.

Our Office

To accommodate you, we have flexible office hours and offer a convenient location in North Houston.

Northwest Cardiovascular Clinic

Visit us at 18550 N 6th St, Magnolia, TX 77354, United States

Dr. Dairywala also performs minimally invasive interventions and works with patients at HCA Tomball, St. Lukes, and Methodist Willowbrook Hospital.

Where are we located?

We are located at the heart of Northwest Houston. You can conveniently visit our cardiologist at 18220 SH 249 Suite # 230, Houston, TX 77070 – just a couple of minutes of a walk away from Boston Market and AT&T Store. You can also find us near Pub Zero, Chipotle Mexican Grill, Prospect Park Restaurant, and Apple Willowbrook Mall.

Get Started Today

At Northwest Cardiovascular Clinic, our one of the best cardiologists in Houston, Texas, is here to help you with your cardiac care.
Click HERE to schedule your appointment online.
Need more information? Please call us at 281-807-5253 to talk with an expert today!
Our office is open 9 AM – 4 PM Monday to Friday
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