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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%
414 doctors
Top 15%
414 doctors
Top 5%
207 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%
394 doctors
Top 15%
394 doctors
Top 5%
197 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%
367 doctors
Top 15%
368 doctors
Top 5%
183 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%
330 doctors
Top 15%
330 doctors
Top 5%
165 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%
446 doctors
Top 15%
446 doctors
Top 5%
223 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%
245 doctors
Top 15%
245 doctors
Top 5%
122 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%
206 doctors
Top 15%
206 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%
222 doctors
Top 15%
222 doctors
Top 5%
111 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%
246 doctors
Top 15%
245 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%
238 doctors
Top 15%
238 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%
195 doctors
Top 15%
194 doctors
Top 5%
97 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%
385 doctors
Top 15%
384 doctors
Top 5%
192 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%
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%
345 doctors
Top 15%
345 doctors
Top 5%
172 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%
177 doctors
Top 15%
177 doctors
Top 5%
88 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%
231 doctors
Top 15%
231 doctors
Top 5%
115 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%
207 doctors
Top 15%
207 doctors
Top 5%
103 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%
204 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%
187 doctors
Top 15%
187 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%
273 doctors
Top 15%
274 doctors
Top 5%
136 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%
221 doctors
Top 15%
220 doctors
Top 5%
110 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 (Spring 2017)

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