Summary

Dr. Peter Fonseca is a surgeon who specializes in thoracic and cardiovascular surgery. He earned his medical degree from St. Louis University School of Medicine and completed his residency at Wright State University School of Medicine. With 39 years of experience in surgery, Dr. Fonseca has developed extensive expertise in complex chest and heart procedures. He is fluent in both Portuguese and English.

Dr. Fonseca practices at SSM Health DePaul Hospital and sees patients in Bridgeton and Lake Saint Louis, Missouri. He treats conditions such as pleural effusion, pneumothorax, and lung cancer. His surgical skills include performing chest imaging procedures and arterial line placement. Patients have rated him 4.2 out of 5 stars on average for his care.

AI-generated from data on this provider profile.

Quick Facts

  • accepting new patients
  • 4.2
  • 39 years of experience
  • 32 insurance plans accepted
  • speaks Portuguese, English
  • Wright State University School Of Medicine
  • 12 written reviews
  • 3 specialties
  • 7 areas of expertise
  • 3 board certifications
  • 1 hospital affiliation
  • 2 office locations
  • Male

Office Locations

Dr. Peter Fonseca has 2 locations

Dr. Peter Fonseca

12266 De Paul Dr Ste 205Bridgeton, MO 63044
Mon8:00 am - 4:00 pm
Tue8:00 am - 4:00 pm
Wed8:00 am - 4:00 pm
Thu8:00 am - 4:00 pm
Fri8:00 am - 4:00 pm
SatClosed
SunClosed

Dr. Peter Fonseca

400 Medical Plz Ste 100Lake Saint Louis, MO 63367
Mon8:00 am - 4:00 pm
Tue8:00 am - 4:00 pm
Wed8:00 am - 4:00 pm
Thu8:00 am - 4:00 pm
Fri8:00 am - 4:00 pm
SatClosed
SunClosed

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Dr. Peter Fonseca, MDDr. Eric Oscar Appelgren, MDDr. Matthew Hitchcock Bigham, MDDr. Jill Erin Kilkelly, MD
SurgeryAnesthesiologyAnesthesiologyAnesthesiology
Accepts New Patients
4.2 
39 Years of Experience 30 Years of Experience 33 Years of Experience 29 Years of Experience
Virtual Visit Available No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Speaks Portuguese, English
Bridgeton , MOFort Myers , FLSaint Louis , MOSaint Louis , MO
Med School: St Louis University School Of Medicine Med School: Loyola University Of Chicago Stritch School Of Medicine Med School: Yale University School Of Medicine Med School: Weill Cornell Medical College
Current Profile
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Insurance Plans Accepted by Dr. Peter Fonseca

  • Accepts Medicare
  • Accepts Medicaid
  • Aetna
  • Aetna Better Health
  • Blue Cross Blue Shield
  • Cigna
  • Dean Health Plan
  • Dean Health Plan - HMO
  • Dean Health Plan - PPO
  • Devoted Health
  • ESSENCE Healthcare
  • Health Alliance
  • Healthlink
  • Healthlink - PPO
  • Humana
  • Medicaid
  • Medicaid - Medicaid
  • Medicaid - Medicaid (Managed)
  • Medicare
  • Medicare - Medicaid
  • Medicare - Medicare
  • Meridian Health Plan
  • Meridian Health Plan - Medicaid (Managed)
  • Molina Healthcare
  • Molina Healthcare - Medicaid (Managed)
  • Physicians Mutual
  • Provider Partners Health Plan
  • STLDentalPlan| LLC
  • Tricare
  • UnitedHealthcare
  • UnitedHealthcare - HMO
  • UnitedHealthcare - Medicaid (Managed)
  • UnitedHealthcare - Medicare
  • Wellcare

Medical Specialties

Dr. Peter Fonseca has the following 3 specialties

Specialty Expertise

Dr. Peter Fonseca has the following 7 areas of expertise

  • Aneurysm
  • Deep Vein Thrombosis
  • Diabetes Complications
  • General Surgeon
  • Thoracic Surgeon
  • Varicose Veins
  • Vascular Malformations

Certifications, License, & Education

39 Years Experience

MEDICAL LICENSE

Medical Doctor, Missouri, 2026, Expired

EDUCATION & TRAINING

Residency

Wright State University School Of Medicine

Medical School

St Louis University School Of MedicineGraduated in 1987

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Frequently Asked Questions

How can I make an appointment with Dr. Peter Fonseca?
You can find contact information for Dr. Peter Fonseca here on Vitals.
What languages does Dr. Peter Fonseca speak?
Dr. Peter Fonseca speaks Portuguese and English.
Which hospitals is Dr. Peter Fonseca affiliated with?
Dr. Peter Fonseca is affiliated with Ssm Health Depaul Hospital.
Is Dr. Peter Fonseca accepting new patients?
Dr. Peter Fonseca is accepting new patients on Vitals. View Dr. Peter Fonseca's profile on Vitals to make an appointment.
Does Dr. Peter Fonseca accept my insurance?
You can see the insurance plans that Dr. Peter Fonseca accepts on their Vitals profile.

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