UT Physicians Endocrinology – Texas Medical Center

6410 Fannin St, Ste 600, Houston, TX 77030-5206

UTHealth Houston Professional Building - Texas Medical Center

Adult patients seen

Contact Us

MAIN:
(832) 325-7161

Fax:
(713) 512-2244

Clinic Hours

Mon - Fri 8 a.m. - 5 p.m.

Physicians and health care team

Marc Cillo, MD

Patient Rating

4.9out of 5

171 Ratings

Invalid Widget Script URL: The profile 'id' has not been specified.

Marc Cillo, MD

Endocrinology, Diabetes, and Metabolism

Patient Rating

4.9out of 5

171 Ratings

Invalid Widget Script URL: The profile 'id' has not been specified.

Absalon Gutierrez, MD

Patient Rating

4.8out of 5

58 Ratings

Invalid Widget Script URL: The profile 'id' has not been specified.

Absalon Gutierrez, MD

Endocrinology, Diabetes, and Metabolism

Patient Rating

4.8out of 5

58 Ratings

Invalid Widget Script URL: The profile 'id' has not been specified.

Katie Guttenberg, MD

Patient Rating

4.9out of 5

81 Ratings

Invalid Widget Script URL: The profile 'id' has not been specified.

Katie Guttenberg, MD

Endocrinology, Diabetes, and Metabolism

Patient Rating

4.9out of 5

81 Ratings

Invalid Widget Script URL: The profile 'id' has not been specified.

Sapna Naik, MD

Patient Rating

4.8out of 5

124 Ratings

Invalid Widget Script URL: The profile 'id' has not been specified.

Sapna Naik, MD

Endocrinology, Diabetes, and Metabolism

Patient Rating

4.8out of 5

124 Ratings

Invalid Widget Script URL: The profile 'id' has not been specified.

Philip R. Orlander, MD

Patient Rating

4.9out of 5

234 Ratings

Invalid Widget Script URL: The profile 'id' has not been specified.

Philip R. Orlander, MD

Endocrinology, Diabetes, and Metabolism

Patient Rating

4.9out of 5

234 Ratings

Invalid Widget Script URL: The profile 'id' has not been specified.

Omar E. Sandoval, FNP-BC

Patient Rating

4.9out of 5

335 Ratings

Invalid Widget Script URL: The profile 'id' has not been specified.

Omar E. Sandoval, FNP-BC

Endocrinology, Diabetes, and Metabolism

Patient Rating

4.9out of 5

335 Ratings

Invalid Widget Script URL: The profile 'id' has not been specified.

Kelly L. Wirfel, MD

Patient Rating

4.9out of 5

487 Ratings

Invalid Widget Script URL: The profile 'id' has not been specified.

Kelly L. Wirfel, MD

Endocrinology, Diabetes, and Metabolism

Patient Rating

4.9out of 5

487 Ratings

Invalid Widget Script URL: The profile 'id' has not been specified.

Find a Doctor/Provider

Select an area

Patient Care

Patient Resources

New Patient?

Billing

Patient Services

1-855-877-2808

Customer Service Hours

Mon – Thu, 8 a.m. to 8 p.m.

Fri, 8 a.m. to 5 p.m.

Sat, 9 a.m. to 1 p.m.

CST time zone

Insurance

COVID-19

More

Alert!

UT Physicians Endocrinology – Texas Medical Center

Contact Us

Clinic Hours​

Mon - Fri 8 a.m. - 5 p.m.

Physicians and health care team

Endocrinology, Diabetes, and Metabolism

Endocrinology, Diabetes, and Metabolism

Endocrinology, Diabetes, and Metabolism

Endocrinology, Diabetes, and Metabolism

Endocrinology, Diabetes, and Metabolism

Endocrinology, Diabetes, and Metabolism

Endocrinology, Diabetes, and Metabolism

UTHealth Houston Professional Building

6410 Fannin StreetHouston, Texas 77030

QUICK LINKS

CAREERS

© Copyright 2025 – The University of Texas Health Science Center at Houston (UTHealth Houston)

Contact / Feedback | Report Error | Patient Privacy | Web File Viewing | Site Policies | Employee Links | Nondiscrimination Notice | Language Assistance Services

Clinic Hours

6410 Fannin Street
Houston, Texas 77030