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Martinez, Manuel MD

Board Certified Internal Medicine

Accepting new patients for the following insurance plans only: Traditional Medicare, UnitedHealthcare Advantage plans:AARP Medicare Complete Secure Horizons (HMO), AARP Medicare, Complete Secure Horizons Essential (HMO), UnitedHealthcare Chronic Complete (HMO SNP), UnitedHealthcare Dual Complete (HMO SNP),and Aetna:Aetna Medicare Prime Plan (HMO).

Dr. Martinez has been with Gonzaba Medical Group since 2004. Dr. Martinez attended Monterrey Tech School of Medicine (full name: Escuela de Medicina Ignacio A. Santos del Instituto Tecnológico y de Estudios Superiores de Monterrey) where he received his medical degree. He completed residency in Internal Medicine at University of Illinois-Michael Reese Program in Chicago, Illinois in 1999. Dr. Martinez’s memberships and affiliations include American College of Physicians and Texas Medical Association.

Hobbies are jogging and spending time with family.

Dr. Martinez is fluent in English and Spanish and has been the recipient of many academic awards throughout his career. He was also recognized as one of San Antonio’s Best Doctors by San Antonio Magazine in 2006.


Our Locations

Main Medical Center
720 Pleasanton Road
San Antonio,TX 78214