Browse Health
Internist, Gastroenterologist (digestive)
36 years of experience
Accepting new patients
Video profile
License & Identifications

A medical license is required for a doctor to practice medicine in a particular state. Requirements vary by state but most require, at a minimum, post-graduate training in the doctor’s specific specialty. An NPI number is a national identifier unique to an individual health care provider and is managed by the Center for Medicare & Medicaid Services (CMS).

Patient Reviews

Patient comments (28)

The overall average patient rating of Dr. John Clemmons is Excellent. Dr. Clemmons has been reviewed by 77 patients who have provided 28 comments. The rating is 4.5 out of 5 stars.

Patient Ratings
Ease of Appointment 4.7
Promptness 4.5
Courteous Staff 4.3
Accurate Diagnosis 4.6
Bedside Manner 4.5
Spends Time with Me 4.5
Follows Up After Visit 4.3

Specialties & Research

Dr. John Clemmons, MD is board certified in Internal Medicine and Gastroenterology.

  • He has special expertise in 5 areas:
  • Acid Reflux Disease (Gastroesophageal Reflux / GERD)
  • Constipation
  • Hepatitis C
  • Irritable Bowel Syndrome (IBS)
  • Ulcerative Colitis

Education & Awards

Dr. Clemmons graduated from Howard University , Washington. He has 8 awards.

Patients' Choice 5th Anniversary Award (2012 - 2014)
Patients' Choice Award (2008 - 2014)
Compassionate Doctor Award - 5 Year Honoree (2013 - 2014)
Compassionate Doctor Recognition (2009 - 2014)
Top 10 Doctor - State (2014)
Top 10 Doctor - City (2014)
Houston, TX
Top 10 Doctor - Metro Area (2014)
Greater Houston
On-Time Doctor Award (2009, 2014)


Dr. Clemmons has 8 hospital affiliations:

  • CHRISTUS St. Joseph Hospital 
  • The Methodist Hospital 


  • Spanish

> > > > Dr. John Clemmons, MD

Similar doctors nearby

Dr. Juan Botto

Internal Medicine
26 years experience
Houston, TX

Dr. Thinh Vo

Internal Medicine
16 years experience
Houston, TX

Dr. Ninan Mathew

Internal Medicine
49 years experience
Houston, TX

Dr. Samir Tuma

Internal Medicine
42 years experience
Houston, TX

Dr. Robert Thompson

Internal Medicine
13 years experience
Houston, TX

Dr. Karen Cottingham

Internal Medicine
32 years experience
Houston, TX
Search All Similar Doctors
Additional Information
Dr. John Benjamin Clemmons MD is a male Internist, has 36 years of experience and practices in Internal Medicine and Gastroenterology.
Where does Dr. John B. Clemmons practice?
Dr. John Clemmons has 1 office location.
Dr. John Clemmons practices Internal Medicine and Gastroenterology near Houston, TX.
See Houston Internists and Houston Gastroenterologists.