About Dr. Zand

Ashkan Zand, MD, is a board-certified internal medicine physician and endocrinologist practicing at Endocrinology and Osteoporosis Centers of Texas, which has locations in Pearland, Pasadena, and Houston, Texas.

Dr. Zand was born in Houston and attended high school in Spring, Texas. Dr. Zand attended the University of Houston and earned his Bachelor of Science in Biology and a Bachelor of Arts in Chemistry, graduating Magna Cum Laude. He then attended the University of Texas Medical Branch School of Medicine, where he earned his Doctor of Medicine and completed his internal medicine residency. During this time, he received various accolades, including Outstanding Overall Resident of the Year.

Dr. Zand completed his endocrinology, diabetes, & metabolism fellowship at the renowned Houston Methodist Hospital/Weill Cornell Medical College in the Texas Medical Center, which is ranked among the Top 20 programs by the U.S News and World Report Honor Roll. Dr. Zand has also treated patients at Texas Children’s Hospital and UT MD Anderson Cancer Center.

Relying on his expertise in endocrinology, Dr. Zand can diagnose and treat patients for conditions like diabetes mellitus (Type 1 and 2), thyroid diseases (including Grave’s disease, Hashimoto’s diseases, and thyroid cancer), parathyroid diseases, hypogonadism, polycystic ovarian syndrome (PCOS), osteoporosis and other metabolic bone diseases, pituitary diseases, and adrenal diseases (including Cushing’s and adrenal insufficiency and general metabolic disorders).

Outside of the office, Dr. Zand enjoys spending time with his wife, Sara, and their two children, Ariyan and Layla. In his spare time, he loves to visit the Museum of Fine Arts, Museum of Natural Science, and other historical landmarks and points of interest. Dr. Zand is a member of Alpha Psi Lambda of Houston and Phi Chi Medical Fraternity – Zeta Chapter in Galveston. He is a music enthusiast who enjoys going to various concerts throughout the year and loves to attend the Houston Rodeo.

  • Undergraded
  • Education
  • Board Certifications
  • Professional Societies


  • University of Houston: B.A. in Chemistry 
  • University of Houston: B.S. in Biology 


  • Medical School: University of Texas Medical Branch, Galveston, TX
  • Residency: University of Texas Medical Branch, Galveston, TX
  • Fellowship: The Houston Methodist Hospital, Houston, TX
Board Certifications

Board Certifications

American Board of Internal Medicine

  • Internal Medicine
  • Endocrinology, Diabetes & Metabolism 

Professional Societies

Professional Societies

  • American Association of Clinical Endocrinologist (AACE)
  • Endocrine Society
  • National Lipid Assocation
  • Obesity Medicine Association