Carlos R Jaen
UT Badge
Not accepting new patients

Jaen, MD

Rating Rating Rating Rating Rating 4.9
  • Family Practice Physician
Call: 210-450-9100

If you're an existing patient of Dr. Jaen, please connect via MyChart

About me

About Me

Dr. Jaen's special interests include improving preventive care for individuals of all ages, preventing complications from chronic diseases like diabetes, high bloodpressureand heart disease. He is passionate about building and studying high-performance primary care offices. He has been selected to the Best Doctors in America yearly since 2002. He is dedicated to building a healthier San Antonio through efforts in community wellness.
Dr. Jaen was elected member of the National Academy of Medicine (formerly known as the Institute of Medicine) of the National Academies in 2013. He was also co-director of the American Academy of Family Physicians (AAFP) Center for Research in Family Medicine and Primary Care. Over 20 years, the Center studied almost 500 mostly independent, community-based primary care practices and completed the evaluation of the AAFPs national demonstration project of the patient-centered medical home. He served on the panels that published the U.S. Public Health Service smoking cessation guidelines in 1996 & 2000 and was co-chair of the panel that published an update in May 2008. In 2005, he was appointed to the National Advisory Council to the Agency for Healthcare Research and Quality (AHRQ). He received a Generalist Physician Faculty Scholar Award from the Robert Wood Johnson Foundation and a Cancer Control Career Development Award for Primary Care Physicians from the American Cancer Society.




English, Spanish


  • Award
  • Award



Medical School:
State University of New York at Buffalo

University Hospital of Cleveland

Case Western Reserve University School of Medicine


Board Certification:
American Board of Family Medicine

Treatment and care

Treatment and Care

Specific areas of interest and expertise include:

  • Allergies
  • Anxiety
  • Asthma management
  • Back Pain
  • Bronchitis
  • Conjunctivitis (pink eye)
  • Constipation
  • Cough
  • Depression
  • Diabetes management
  • Dizziness
  • Earaches and infections
  • Earwax impaction
  • Eczema
  • Erectile dysfunction
  • Fever
  • Gastroesophageal reflux (GERD)
  • Gout
  • Headaches and migraines
  • Heart disease
  • Heartburn
  • High blood pressure (hypertension)
  • High cholesterol (hyperlipidemia)
  • Hypothyroidism (underactive thyroid)
  • Influenza
  • Insomnia
  • Laryngitis
  • Malaise/fatigue
  • Minor aches, pains and sprains
  • Nausea, vomiting and diarrhea
  • Obesity
  • Osteoarthritis
  • pains and sprains"
  • Pneumonia
  • Rashes
  • Sexually transmitted illness
  • Shingles
  • Sinus infections
  • Sore throat (pharyngitis)
  • Tobacco abuse
  • Upper respiratory infections
  • Urinary tract infections
  • Vertigo
  • Vitamin B12 deficiency
  • vomiting and diarrhea"
  • Weight gain
  • Weight loss
  • Women’s health