Steven Oscherwitz, MD

Infectious Disease Physician

Southern Arizona Infectious Disease Specialists

Dr. Oscherwitz currently offers expert diagnostic and infectious disease treatment services to ill patients referred to him by other physicians.

Steven Oscherwitz, MD is a specialist in Infectious Diseases and Tropical Medicine. He earned his Medical Degree from the University of Texas Health Science Center at Dallas in 1986, and completed his Internal Medicine Residency, Chief Residency, and Infectious Disease Fellowship at the University of Texas Health Science Center at San Antonio.

He completed graduate studies in Military Tropical Diseases at Walter Reed Army Institute of Research in Washington, D.C. and cared for armed service members at Wilford Hall Medical Center at Lackland Air Force Base in San Antonio.

He was a physician for archaeologists in Guatemala’s Peten Region and assisted with parasite eradication efforts in China.

Dr. Oscherwitz was a Case-Based Instruction Facilitator at the UA College of Medicine in Phoenix prior to becoming a Clinical Assistant Professor in Tucson.

Dr. Oscherwitz has been featured on the Discovery Channel’s Animal Planet, Discovery Health Channel, local TV, radio programming and in print media. In addition, he has served as a resource for British Airways and Conde Nast Traveler.


  • “I was recently hospitalized and Dr. Oscherwitz was there with answers. His gentle and super friendly. Great Dr.”
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Insurances accepted

AARP Medicare Complete HMO
AARP Medicare Advantage PPO
Aetna HMO, PPO, EPO, Select, Banner
Aetna Medicare
Alignment Health Medicare Advantage (Amerivantage Caremore)
American Indian Health - AHCCCS
Amerigroup/Amerivantage - Caremore
Amerigroup P3 Health Partners
AZ Complete Health - Complete Care Plan - AHCCCS
AZ Complete Health - Ambetter
Banner University Family Care - AHCCCS
Banner University LTC - AHCCCS
Banner UFC Medicare Advantage - AHCCCS
BCBS Neighborhood Plan
BCBS Federal/Anthem/SW Services
BCBS Medicare/P3/Pathway: M2K/M3V
BCBS Medicare Journey: M3P
Bright Health Plan
Cigna Medicare
Golden Rule - UHC One
Humana HMO, POS, Choice
Humana Medicare
Medicare Part A&B
Medicare RailRoad
Mercy Care ALTCS and DDD - AHCCCS
Mercy Care Medicare Advantage - AHCCCS
Meritain ASBAIT
SCAN Desert Health
Tricare HealthNet Prim/Select
UHC Community Plan - AHCCCS
UHC Dual Complete Medicare - AHCCCS
UHC Choice/Plus/Options PPO
UHC Navigate
UHC Medicare Complete HMO
UHC MC Life1 Optum Care
TriWest VAPC3-VA
Wellcare by AHCCCS
Wellcare by Allwell
Workers Comp - all carriers

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