Summary

Dr. Diana Westerfield is a cardiovascular disease specialist who also practices internal medicine and obstetrics & gynecology. She earned her medical degree from A.T. Still University Kirksville College of Osteopathic Medicine and completed her residency at Riverside Osteopathic Hospital. With 34 years of clinical experience, Dr. Westerfield brings extensive knowledge to her diverse practice areas. She is fluent in both English and Spanish.

Dr. Westerfield is affiliated with Progress West Hospital and practices throughout Saint Peters and O'Fallon, Missouri. Her cardiovascular expertise includes treating atrial fibrillation and managing high cholesterol in both adults and children. She performs exercise stress tests to evaluate heart function and monitors blood clotting through prothrombin time testing. Patients rate Dr. Westerfield 4.3 out of 5 stars on Vitals.

AI-generated from data on this provider profile.

Quick Facts

  • accepting new patients
  • 4.3
  • 34 years of experience
  • 18 insurance plans accepted
  • speaks English, Spanish
  • Riverside Osteopathic Hospital
  • 4 written reviews
  • 2 specialties
  • 14 areas of expertise
  • 1 hospital affiliation
  • 1 office location

Office Location

BJC Medical Group Cardiology

10 Hospital Dr Ste 100Saint Peters, MO 63376

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Dr. Diana L Westerfield, DODr. Kunal Gurav, MDDr. Julio Edgardo Perez, MDDr. Joseph Peter Drozda, MD
Cardiovascular DiseaseCardiovascular DiseaseCardiovascular DiseaseCardiovascular Disease
Accepts New Patients Accepts New Patients
4.3 
34 Years of Experience 18 Years of Experience 53 Years of Experience 56 Years of Experience
Virtual Visit Available Virtual Visit Available No Virtual Visit Option No Virtual Visit Option
Speaks English, Spanish Speaks English, Hindi, Marathi
Saint Peters , MOSaint Louis , MOSaint Louis , MOCHESTERFIELD , MO
Med School: A T Still University Kirksville College Of Osteopathic Medicine Med School: SETH GS MEDICAL COLLEGE Med School: University Of Puerto Rico School Of Medicine Med School: University Of Nebraska College Of Medicine
Current Profile
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Insurance Plans Accepted by Dr. Diana L Westerfield

  • AARP
  • Aetna
  • Anthem Blue Cross
  • Blue Cross Blue Shield
  • Blue Cross Blue Shield of Alabama
  • Cigna
  • ESSENCE Healthcare
  • ESSENCE Healthcare - Medicare (Advantage HMO)
  • Gilsbar 360 Alliance
  • HealthPartners
  • Humana
  • Medicare
  • Medicare - Medicare
  • Meritain Health
  • Transamerica
  • Tricare
  • UnitedHealthcare
  • UnitedHealthcare - Medicare

Medical Specialties

Dr. Diana L Westerfield has the following 2 specialties

Specialty Expertise

Dr. Diana L Westerfield has the following 14 areas of expertise

  • Acute Coronary Syndrome (ACS)
  • Arrhythmia
  • Atherosclerosis
  • Blood Clot
  • Cardiologist
  • Heart Attack
  • Heart Block
  • Heart Diseases
  • Heart Failure
  • High Blood Pressure (Hypertension)
  • High Cholesterol
  • Hypertension
  • Stroke
  • Unstable Angina

Certifications, License, & Education

34 Years Experience

MEDICAL LICENSE

Doctor Of Osteopathy, Missouri, 2026, Expired

EDUCATION & TRAINING

Residency

Riverside Osteopathic Hospital

Medical School

A T Still University Kirksville College Of Osteopathic MedicineGraduated in 1992

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Frequently Asked Questions

What languages does Dr. Diana Westerfield speak?
Dr. Diana Westerfield speaks English and Spanish.
Where is Dr. Diana Westerfield's office located?
Dr. Diana Westerfield's office is located at 10 Hospital Dr Ste 100, Saint Peters, MO, 63376.
Is Dr. Diana Westerfield accepting new patients?
Dr. Diana Westerfield is accepting new patients on Vitals. View Dr. Diana Westerfield's profile on Vitals to make an appointment.
How can I make an appointment with Dr. Diana Westerfield?
You can find contact information for Dr. Diana Westerfield here on Vitals.
Which hospitals is Dr. Diana Westerfield affiliated with?
Dr. Diana Westerfield is affiliated with Progress West Hospital.

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