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Dr. Adan Rios MD

Dr. Adan Rios MD


Memorial Hermann Texas Medical Center
(832) 325-7100


Dr. Adan Rios earned his medical degree at the University of Panama Medical School and completed his residency at Gorgas U.S. Army Hospital in Panama. He completed his fellowship in medical oncology at The University of Texas MD Anderson Cancer Center in Houston.

Board certified in internal medicine, Dr. Rios is internationally renowned for his work in HIV associated malignancies and treatment of tumors with biological response modifiers. He is a general oncologist with special interests that include hematological malignancies (leukemia, lymphoma and multiple myeloma), and immune-suppression-related malignancies.

In practice in Houston since 1981, Dr. Rios treats patients 18 years and older.  He is committed to the wellbeing of his patients, and makes himself easily available to them. His practice philosophy is service and he collaborates with a broad base of experts. Dr. Rios is fluent in Spanish.

Dr. Rios is an associate professor in the division of Oncology at The University of Texas Health Science Center at Houston (UTHealth) Medical School. He has served in a number of roles at the MD Anderson Cancer Center, including director of clinical research and academic affairs of the AIDS Program at the Institute for Immunological Disorders; the first clinical center in the United States devoted to the management and treatment of AIDS patients.

His work has been recognized with numerous awards and distinctions; among them, the 2001 MD Anderson Cancer Center Distinguished Alumnus Award, the 2003 George Washington University Presidential Medal Award, the 2008 University of Texas Health Science Center Minority Services Award and the 2014 Arrival Award from the University of Houston Law Center. 

Residents of the Museum District, Dr. Rios and his wife have three children and two grandchildren. He enjoys music and history, especially the history of medicine.


Physician Details

Medical Education
University of Panama, 1970
Internships & Residency
Gorgas General Hospital, 1975
MD Anderson Cancer Center - GME, 1978
Clinical Interests
Immune Deficiency Syndrome, Immune Disorders, Leukemia, Lymphoma
PCP Number
Cities Served
Bellaire, Fresno, Galena Park, Houston, Missouri City


ZIP Codes Served
77001, 77002, 77003, 77004, 77005, 77006, 77007


Insurance Accepted

  • AARP Medicare Complete
  • Aetna (Most Benefit Plans)
  • Aetna Medicare
  • Aetna Signature Administrators PPO
  • AHI Healthlink
  • Amerigroup Chip
  • Amerigroup MMP Perinatal*
  • Amerigroup Star
  • Amerigroup Star Plus
  • Amerivantage
  • Beechstreet
  • Blue Cross Blue Shield Texas
  • Blue Exchange PPO
  • Cigna (Most Benefit Plans)
  • Coastal Comp Healthnetworks PPO*
  • Coastal Comp Healthnetworks Work Comp
  • Community Health Choice
  • Community Health Choice Chip
  • Community Health Choice Marketplace Kelsey QHP
  • Community Health Choice Marketplace QHP
  • Community Health Choice Star
  • Corporate Remedies Worker's Comp*
  • Corvel Worker's Comp*
  • Coventry Health Care - PPO Network
  • Coventry Medicare Advantra
  • Evolutions Healthcare Systems - PPO Network*
  • Evolutions Healthcare Systems - Worker's Comp*
  • First Health - PPO Network
  • First Health - Worker's Comp
  • Galaxy Health Network
  • Healthsmart
  • Humana (Most Benefit Plans)
  • Humana Gold Choice PFFS
  • Humana Gold Plus HMO
  • Humana HMOx QHP Exchange
  • Humanachoice PPO Medicare
  • Independant Medical Systems
  • Injury Management Organization Worker's Comp*
  • Interplan Health Group (IHG)*
  • Medicaid Traditional
  • Medicare Traditional
  • Medicus International - PPO Network
  • Memorial Hermann Advantage HMO
  • Memorial Hermann Advantage PPO
  • Memorial Hermann Solutions
  • Multiplan
  • OccuNet PPO - PPO Network
  • Olympus (International) - PPO Network*
  • Political Subdivision Workers Comp Alliance*
  • Private Healthcare System
  • Reny Company Worker's Comp
  • Rockport - PPO Network*
  • Superior CHIP/Perinatal*
  • Superior Foster Care Program
  • Texas True Choice - PPO Network*
  • United Healthcare (Most Benefit Plans)
  • United Healthcare Chip
  • United Healthcare Chronic Complete
  • United Healthcare Dual Complete
  • United Healthcare Medicare Advantage
  • United Healthcare Star
  • United Healthcare Star Plus Perinatal*
  • United Healthcare TXMMP
  • US Family Health Plan
  • USA Managed Care Organization - PPO Network
  • USA Managed Care Organization - Worker's Comp*
  • Wellcare
  • WorkLink Worker's Comp