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About Us

Dr Sharaf Image

Dr. Sharafali Y.

Diwan is an infectious disease specialist in Houston, Texas and is affiliated with multiple hospitals in the area, including Houston Methodist Willowbrook Hospital and HCA Houston Healthcare Northwest. He received his medical degree from Dow University of Health Sciences and has been in practice for more than 20 years.

Sharafali Y. Diwan, MD, earned his medical degree from Dow Medical College at Dow University of Health Sciences in Karachi, Pakistan. He then moved to the United States and completed an internship in family medicine at University of Minnesota Health hospitals and clinics in Minneapolis. Dr. Diwan went on to complete residency training in internal medicine at the University of Wisconsin School of Medicine and Public Health in Madison. He then moved to Houston and received specialized training in infectious diseases at McGovern Medical School at UTHealth and The University of Texas MD Anderson Cancer Center.

Board certified in infectious diseases by the American Board of Internal Medicine (ABIM), Dr. Diwan treats patients ages 10 and older for cellulitis, Hepatitis C (Hep C), HIV/AIDS (immunodeficiency virus/acquired immunodeficiency syndrome), pneumonia, post travel infections, osteomyelitis (bone infection), spider bites, tuberculosis (TB, consumption) and wound care. He does not treat patients for parasites or Lyme disease (borreliosis).

Patients enjoy Dr. Diwan’s kind, compassionate care. In addition, they appreciate his consistent and timely follow-up, the ease of appointment scheduling and typically short wait times. He is committed to spending time listening to each patient, and focuses on helping patients achieve the best possible quality of life.

As a resident of Northwest Houston, Dr. Diwan cares for patients living in Cypress, Houston, Hufsmith, North Houston, Spring and Tomball.

He is a member of the Harris County Medical Society (HCMS).

Education & Experience

Medical School & Residency

University of Texas Health Science Center – Houston

Fellowship, Infectious Disease

University of Wisconsin

Residency, Internal Medicine

Dow University of Health Sciences

Medical School

Certifications & Licensure

American Board of Internal Medicine

Certified in Infectious Disease

WI State Medical License

Active through 2007

TX State Medical License

Active through 2022
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