Huntsville Hospital Endocrinology & Diabetes Clinic

Blackwell Medical Tower • 201 Sivley Road, Suites 440 A & B • Huntsville, AL 35801
(256) 265-0780 • Map 

NEW LOCATION for Dr. Joshua Tate:
Blackwell Medical Tower • 201 Sivley Road, Suite 320 • Huntsville, AL 35801 
(256) 265-7660Map 

Hours of service: Monday – Thursday, 8 a.m. - 4 p.m.; Friday, 8 a.m. - 3p.m.
(Closed Noon - 1 p.m. for lunch)

Physician Referral Form                    New Patient Packet                
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Huntsville Hospital Endocrinology & Diabetes Clinic cares for patients with diabetes and other endocrine disorders. Our team is committed to providing quality care and compassionate service.

Steven L. Cowart, MD
Steven Cowart, MD
Suite 440 B
AnkurJindalMD web
Ankur Jindal, MD, MBBS, ECNU
Suite 440 A
Bobby N. Johnson, MD
Bobby Johnson, MD
Suite 440 B
Vasudha Reddy, MD
Vasudha Reddy, MD
Suite 440 A
Joshua Tate, MD
Joshua Tate, MD
Suite 320

Dr. Steven Cowart is board certified in Internal Medicine and Endocrinology.  He completed his residency in Internal Medicine and fellowship in Endocrinology and Metabolism at the Medical College of Georgia.

Dr. Ankur Jindal is board-certified in Endocrinology, diabetes and metabolism. He completed his residency training at the University of Pittsburgh Medical Center, PA and a fellowship in endocrinology and metabolism at the University of Missouri. He specializes in managing thyroid cancer, thyroid nodules and thyroid dysfunction. He has earned endocrine certification and neck ultrasound. He also specializes in performing biopsies on thyroid nodules and neck lymph nodes. His other areas of interest include the pituitary gland, adrenal gland disorders and type 2 diabetes. He was certified as a specialist in clinical hypertension in 2014. He is proficient in the management of endocrine hypertension, and treatment of pheochromocytoma and paraganglioma.

Dr. Bobby N. Johnson has been practicing Endocrinology since 1985. He was initially on the faculty of UAB School of Medicine in the division of Endocrinology at Birmingham. He moved to Huntsville in 1990 to join the faculty of UAH School of Medicine and was the Chief of Endocrinology. He has been in private practice since 1998 and joined Huntsville Hospital Endocrinology & Diabetes Clinic in 2022.

Dr. Vasudha Reddy is a graduate of JJM Medical College in India. She completed both her Internal Medicine residency and Endocrinology Fellowship at the University of Buffalo in New York. Dr. Reddy is board certified in Endocrinology, Diabetes and Metabolism. She is also board certified in Obesity Medicine.

Dr. Joshua Tate is board certified in endocrinology, diabetes and metabolism and internal medicine. He specializes in the management of thyroid disease and thyroid cancer. He completed his Internal Medicine residency at Keesler Medical Center in Biloxi, MS and his endocrinology fellowship at San Antonio Uniformed Services Health Education Consortium in San Antonio, TX.


  • Diabetes
  • Endocrinology
  • Thyroidology
  • Thyroid Ultrasound and Fine Needle Aspiration

Scheduling appointments

Office visits are by appointment only. Appointments may be scheduled by contacting the clinic at (256) 265-0780. Be prepared to provide:

  • Current insurance information
  • Mailing address
  • Daytime/evening/cell phone numbers

On the day of your appointment, please allow time for registration. In addition, please bring the following items to your appointment:

  • Current insurance card and photo identification
  • Current medications or a complete list of medicines with doses, including all over-the-counter medications, herbs and vitamins
  • Method of payment

Canceling appointments

To cancel an appointment, please notify the clinic at least 24 hours in advance. This is an important courtesy to others waiting to schedule an appointment.


Most insurance policies are accepted including Medicare, Medicaid, Tricare and Blue Cross/Blue Shield.