One of Houston's Top-Rated Endocrinologists — Dr. Andres Splenser, MD, FACE

Award-winning, board-certified endocrinology care for diabetes, thyroid and hormonal health. Bilingual EN/ES. Same-week appointments at our Houston and Sugar Land clinics — trusted by thousands of patients across Greater Houston.

  • Top-Rated in Houston
  • Award-Winning Endocrinologist
  • Bilingual EN / ES
  • Same-Week Appointments
  • Most Insurance Accepted

Why patients choose Dr. Splenser

  • Board-certified in Endocrinology, Diabetes & Metabolism and Internal Medicine
  • Fellow of the American College of Endocrinology (FACE)
  • 14 years of specialized endocrine experience
  • Recognized by Texas Monthly Super Doctors 2021–2026
  • Houstonia Magazine "Top Doctor" 2016, 2017, 2019
  • Three Best Rated Endocrinologists Houston 2019–2025
  • Bilingual: full consultations in English and Spanish
  • 4.8/5 rating on Google and on Healthgrades
  • Same-week appointments and most major insurance accepted
  • Two convenient locations: Houston (Edloe St) and Sugar Land

What makes a great endocrinologist?

A great endocrinologist combines deep clinical expertise with the time and attention to truly listen. Dr. Splenser's practice is built around longer visits, targeted diagnostics, and individualized treatment plans — not rushed, one-size-fits-all care. Whether you are managing diabetes, a thyroid condition, PCOS, low testosterone, or weight, you'll work with a physician who treats the whole person, not just the lab result.

What Our Patients Say

Google Review

"I drive an hour into Houston to see Dr.Splenser, and it the drive is well worth it. One of the things I love about Dr. Splenser is that he takes the time to listen to your concerns."

— Valerie G.

Google Review

"Dr. Splenser takes the time needed to explain very well any issue you may have and it is vested in your care. He does not only look after your endocrine function but also in your health as a whole."

— Sergio M.

Google Review

"Dr. Splenser helped me achieve better control of my diabetes in two years than my previous providers had in a decade. He is patient, understanding, and very encouraging."

— Brad H.

Google Review

"I gave doctor Splenser 5 stars but would give more if I could. He has always gone above and beyond to help me and always takes the time to make sure I'm comfortable and fully understand everything."

— Francisca D.

Google Review

"Dr Splenser is an excellent Endocrinologist. He fit me in his busy schedule right away when something worrisome came up on my annual exam. He was friendly and easy to talk to, thorough with explanations."

— Jessica M.

Google Review

"I have been a patient for over 2 years, and Dr. Splenser is very easy to work with. He is one of the only doctors that I have found, that works WITH his patients to meet long term goals."

— Glen P.

Google Review

"I drive an hour into Houston to see Dr.Splenser, and it the drive is well worth it. One of the things I love about Dr. Splenser is that he takes the time to listen to your concerns."

— Valerie G.

Google Review

"Dr. Splenser takes the time needed to explain very well any issue you may have and it is vested in your care. He does not only look after your endocrine function but also in your health as a whole."

— Sergio M.

Google Review

"Dr. Splenser helped me achieve better control of my diabetes in two years than my previous providers had in a decade. He is patient, understanding, and very encouraging."

— Brad H.

Google Review

"I gave doctor Splenser 5 stars but would give more if I could. He has always gone above and beyond to help me and always takes the time to make sure I'm comfortable and fully understand everything."

— Francisca D.

Google Review

"Dr Splenser is an excellent Endocrinologist. He fit me in his busy schedule right away when something worrisome came up on my annual exam. He was friendly and easy to talk to, thorough with explanations."

— Jessica M.

Google Review

"I have been a patient for over 2 years, and Dr. Splenser is very easy to work with. He is one of the only doctors that I have found, that works WITH his patients to meet long term goals."

— Glen P.

Frequently Asked Questions

Ready to see Houston's top-rated endocrinologist?

Book your appointment with Dr. Andres Splenser today and experience award-winning endocrine care.

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