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Ramon Colen, MD

Board Certified Internal Medicine

  • Best Doctors in America®
  • Top Doctors in America®
  • Best Doctors in San Antonio®
  • Bridges to Excellence®

Dr. Ramon Colen was born in Monterrey, Mexico and grew up in Houston, Texas. He is a Board Certified Internal Medicine physician and is bicultural and bilingual in English and Spanish. Dr. Colen has very strong interest in helping patients prevent or manage diabetes.

Dr. Colen is a member of the Bexar County Medical Society and an associate member of the American College of Physicians.

When not taking care of his patients, Dr. Colen enjoys golf, traveling, and spending time with his two children.


  • Internal Medicine at The University of Texas Health Science Center in San Antonio, Texas
  • The University of Texas Medical Branch in Galveston, Texas
Las Palmas Clinic
  • 911 Castroville Rd
  • San Antonio, TX 78237-3146
  • Hours: Mon. 8 am - 6 pm
  • Wed. 9 am - 5:30 pm
  • Tues., Thur. & Fri. 8 am - 5:30 pm
  • Telephone: (210) 436-7402
  • Fax: (210) 436-7398