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Thomas Defer, MD

Dr. Defer is an internal medicine doctor in the Greater St. Louis area. He is affiliated with Barnes Jewish Hospital.
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Conditions treated

Tap to see related services for each condition and more details about our calculations.

Top 25%
411 doctors
Top 15%
411 doctors
Top 5%
205 doctors
Dr. Defer saw cardiovascular disease (CVD) patients in 2014–2018, but we couldn’t determine whether he was a top doctor for the condition in the Greater St. Louis area. Learn more.

Related services provided

Top 25%
392 doctors
Top 15%
392 doctors
Top 5%
196 doctors
Dr. Defer saw vascular disease patients in 2014–2018, but we couldn’t determine whether he was a top doctor for the condition in the Greater St. Louis area. Learn more.

Related services provided

Top 25%
364 doctors
Top 15%
364 doctors
Top 5%
182 doctors
Dr. Defer saw diabetes patients in 2014–2018, but we couldn’t determine whether he was a top doctor for the condition in the Greater St. Louis area. Learn more.
Top 25%
328 doctors
Top 15%
328 doctors
Top 5%
163 doctors
Dr. Defer saw type 2 diabetes patients in 2014–2018, but we couldn’t determine whether he was a top doctor for the condition in the Greater St. Louis area. Learn more.
Top 25%
445 doctors
Top 15%
444 doctors
Top 5%
222 doctors
Dr. Defer saw pain patients in 2014–2018, but we couldn’t determine whether he was a top doctor for the condition in the Greater St. Louis area. Learn more.

Related services provided

Top 25%
244 doctors
Top 15%
244 doctors
Top 5%
121 doctors
Dr. Defer saw high cholesterol patients in 2014–2018, but we couldn’t determine whether he was a top doctor for the condition in the Greater St. Louis area. Learn more.
Top 25%
285 doctors
Top 15%
284 doctors
Top 5%
142 doctors
Dr. Defer saw heart disease patients in 2014–2018, but we couldn’t determine whether he was a top doctor for the condition in the Greater St. Louis area. Learn more.
Top 25%
205 doctors
Top 15%
204 doctors
Top 5%
102 doctors
Dr. Defer saw chronic kidney disease patients in 2014–2018, but we couldn’t determine whether he was a top doctor for the condition in the Greater St. Louis area. Learn more.
Top 25%
219 doctors
Top 15%
218 doctors
Top 5%
109 doctors
Dr. Defer saw allergies patients in 2014–2018, but we couldn’t determine whether he was a top doctor for the condition in the Greater St. Louis area. Learn more.
Top 25%
245 doctors
Top 15%
244 doctors
Top 5%
122 doctors
Dr. Defer saw back problems patients in 2014–2018, but we couldn’t determine whether he was a top doctor for the condition in the Greater St. Louis area. Learn more.
Top 25%
237 doctors
Top 15%
237 doctors
Top 5%
118 doctors
Dr. Defer saw back pain patients in 2014–2018, but we couldn’t determine whether he was a top doctor for the condition in the Greater St. Louis area. Learn more.
Top 25%
381 doctors
Top 15%
382 doctors
Top 5%
190 doctors
Dr. Defer saw digestive tract conditions patients in 2014–2018, but we couldn’t determine whether he was a top doctor for the condition in the Greater St. Louis area. Learn more.
Top 25%
190 doctors
Top 15%
190 doctors
Top 5%
94 doctors
Dr. Defer saw heart failure patients in 2014–2018, but we couldn’t determine whether he was a top doctor for the condition in the Greater St. Louis area. Learn more.
Top 25%
205 doctors
Top 15%
205 doctors
Top 5%
102 doctors
Dr. Defer saw coronary artery disease (CAD) patients in 2014–2018, but we couldn’t determine whether he was a top doctor for the condition in the Greater St. Louis area. Learn more.
Top 25%
333 doctors
Top 15%
333 doctors
Top 5%
166 doctors
Dr. Defer saw lung condition patients in 2014–2018, but we couldn’t determine whether he was a top doctor for the condition in the Greater St. Louis area. Learn more.
Top 25%
176 doctors
Top 15%
176 doctors
Top 5%
87 doctors
Dr. Defer saw congestive heart failure (CHF) patients in 2014–2018, but we couldn’t determine whether he was a top doctor for the condition in the Greater St. Louis area. Learn more.
Top 25%
229 doctors
Top 15%
230 doctors
Top 5%
114 doctors
Dr. Defer saw thyroid condition patients in 2014–2018, but we couldn’t determine whether he was a top doctor for the condition in the Greater St. Louis area. Learn more.
Top 25%
209 doctors
Top 15%
209 doctors
Top 5%
104 doctors
Dr. Defer saw arthritis patients in 2014–2018, but we couldn’t determine whether he was a top doctor for the condition in the Greater St. Louis area. Learn more.
Top 25%
203 doctors
Top 15%
203 doctors
Top 5%
101 doctors
Dr. Defer saw hypothyroidism patients in 2014–2018, but we couldn’t determine whether he was a top doctor for the condition in the Greater St. Louis area. Learn more.
Top 25%
188 doctors
Top 15%
188 doctors
Top 5%
93 doctors
Dr. Defer saw atrial fibrillation (Afib) patients in 2014–2018, but we couldn’t determine whether he was a top doctor for the condition in the Greater St. Louis area. Learn more.
Top 25%
272 doctors
Top 15%
272 doctors
Top 5%
135 doctors
Dr. Defer saw obesity patients in 2014–2018, but we couldn’t determine whether he was a top doctor for the condition in the Greater St. Louis area. Learn more.
Top 25%
220 doctors
Top 15%
220 doctors
Top 5%
109 doctors
Dr. Defer saw peripheral vascular disease (PVD) patients in 2014–2018, but we couldn’t determine whether he was a top doctor for the condition in the Greater St. Louis area. Learn more.
Locations

Dr. Defer sees patients and can be reached at the following location.

4901 Forest Park Ave
Saint Louis, MO 63108
683 miles away

Reviews

Credentials
  • University of Missouri-Columbia School of Medicine
    MEDICAL EDUCATION, 1989

Hospital affiliations

Dr. Defer is able to admit and treat patients at the following hospitals.

  • Barnes Jewish Hospital
    C
    Hospital safety grade (Fall 2018)

Insurance accepted

Always check coverage with your doctor’s office.

  • Aetna
  • Anthem
  • Arise Health Plan
  • Arkansas Blue Cross and Blue Shield
  • Assurant Health
  • AvMed
  • Avera
  • Baptist Health Plan
  • Beacon Health Strategies
  • Blue Cross Blue Shield of Massachusetts
  • Blue Cross Blue Shield of Michigan
  • Blue Cross and Blue Shield of Alabama
  • Blue Cross and Blue Shield of Florida
  • Blue Cross and Blue Shield of Illinois
  • Blue Cross and Blue Shield of Kansas
  • Blue Cross and Blue Shield of Kansas City
  • Blue Cross and Blue Shield of Louisiana
  • Blue Cross and Blue Shield of Minnesota
  • Blue Cross and Blue Shield of Mississippi
  • Blue Cross and Blue Shield of Montana
  • Blue Cross and Blue Shield of Nebraska
  • Blue Cross and Blue Shield of Oklahoma
  • Blue Cross and Blue Shield of Rhode Island
  • Blue Cross and Blue Shield of Texas
  • Blue Cross and Blue Shield of Wyoming
  • Blue Shield of California
  • BlueCross BlueShield of South Carolina
  • BlueCross BlueShield of Tennessee
  • Capital District Physicians Health Plan
  • CareFirst BlueCross BlueShield
  • Chinese Community Health Plan
  • Cigna
  • Community Health Options
  • CommunityCare
  • CoreSource
  • Coventry Health Care
  • Cross and Blue Shield of North Carolina
  • Dean Health Plan
  • EmblemHealth
  • Evergreen Health Cooperative
  • Fallon Health
  • First Choice Health
  • FirstCare Health Plans
  • FirstCarolinaCare
  • Geisinger Health Plan
  • Group Health Cooperative
  • Group Health Cooperative of Eau Claire
  • Group Health Cooperative of South Central Wisconsin
  • Harvard Pilgrim Health Care
  • Hawaii Medical Assurance Association
  • Health Alliance
  • Health Alliance Plan of Michigan
  • Health Net
  • Health New England
  • HealthCare Partners
  • HealthNow New York
  • HealthPartners
  • HealthPlus
  • HealthSCOPE Benefits
  • HealthSmart
  • Highmark Blue Cross Blue Shield
  • Hill Physicians
  • Horizon Blue Cross Blue Shield of New Jersey
  • Humana
  • Independence Blue Cross AmeriHealth
  • MVP Health Care
  • Magellan Health
  • MagnaCare
  • Mayo Clinic Health Solutions
  • MedCost
  • Medica
  • Medical Mutual of Ohio
  • Medicare
  • Meritain Health
  • Midlands Choice
  • Moda Health
  • MultiPlan
  • Neighborhood Health Plan
  • Network Health Plan
  • Ohio PPO Connect
  • Optima Health
  • Oregons Health COOP
  • PacificSource
  • Paramount
  • Physicians Health plan
  • Pomco
  • PreferredOne
  • Premera Blue Cross
  • Presbyterian Health Plan
  • Priority Health
  • Providence Health Plan
  • Regence Blue Cross Blue Shield
  • Rocky Mountain Health Plans
  • Scott and White Health Plan
  • Security Health Plan
  • SelectHealth
  • SummaCare
  • SynerMed
  • TRICARE
  • Trilogy Health Insurance
  • Tufts Health Plan
  • UPMC Health Plan
  • United Healthcare
  • Unity Health Insurance
  • ValueOptions
  • WPS Health Insurance
  • WellMed Medical Management
  • Wellmark Blue Cross and Blue Shield