Summary

Dr. Diana Marquardt specializes in internal medicine and allergy & immunology, bringing 47 years of experience to her practice. She earned her medical degree from Washington University in St. Louis School of Medicine, building a strong foundation for her dual expertise in treating complex internal conditions and allergic disorders. Dr. Marquardt is fluent in Spanish and Chinese, allowing her to serve diverse patient populations.

Dr. Marquardt practices at Mid City Community Clinic in San Diego and maintains affiliations with University of California San Diego Medical Center Hillcrest. She focuses on managing conditions such as type 2 diabetes, high blood pressure, and hypertensive emergencies. Her approach includes comprehensive care through procedures like complete blood counts and A1c testing to monitor patient health. Patients consistently rate Dr. Marquardt highly, giving her an average rating of 5.0 on Vitals.

AI-generated from data on this provider profile.

Quick Facts

  • accepting new patients
  • 5
  • 47 years of experience
  • 40 insurance plans accepted
  • speaks Spanish, Chinese
  • Washington University In St Louis School Of Medicine
  • 2 specialties
  • 11 areas of expertise
  • 2 board certifications
  • 1 hospital affiliation
  • 1 office location
  • Female

Office Location

Mid City Community Clinic

4290 Polk AveSan Diego, CA 92105
Mon8:00 am - 5:00 pm
Tue8:00 am - 5:00 pm
Wed8:00 am - 5:00 pm
Thu8:00 am - 5:00 pm
Fri8:00 am - 5:00 pm
Sat8:00 am - 2:00 pm
SunClosed

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Dr. Diana Lee Marquardt, MDDr. Nima Ghadimi, MDDr. Tooba Rehman, MDEric Harker
Internal MedicineInternal MedicineInternal MedicineInternal Medicine
Accepts New Patients Accepts New Patients Accepts New Patients Accepts New Patients
3.8 
3.9 
47 Years of Experience 29 Years of Experience 16 Years of Experience 25 Years of Experience
No Virtual Visit Option Virtual Visit Available Virtual Visit Available Virtual Visit Available
Speaks Spanish, Chinese Speaks English, Spanish Speaks English
San Diego , CAScottsdale , AZKaty , TXLyons , CO
Med School: Washington University In St Louis School Of Medicine Med School: Univ Iberoamericana Unibe Santo Domingo Med School: CHICAGO MEDICAL SCHOOL AT ROSALIND FRANKLIN UNIVERSITY OF MEDICINE & SCIENCE Med School: Duke University School Of Medicine
Current Profile
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Insurance Plans Accepted by Dr. Diana Lee Marquardt

  • Accepts Medicare
  • Accepts Medicaid
  • Alignment Health Plan
  • Alignment Health Plan - HMO
  • AmeriHealth
  • Anthem Blue Cross
  • BLUE CROSS of CALIFORNIA
  • BLUE CROSS of CALIFORNIA - HMO
  • Blue Shield of California
  • Blue Shield of California - HMO
  • CareFirst Blue Cross Blue Shield
  • CareFirst Blue Cross Blue Shield - Medicaid (Managed)
  • Cigna
  • Community Health Group
  • Community Health Group - HMO
  • Community Health Group - Medicaid (Managed)
  • Community Health Group - Medicare (Advantage HMO)
  • Health Net
  • Health Net - HMO
  • HealthPartners
  • Humana
  • Humana - HMO
  • Imperial Health Plan of California
  • Inland Empire Health Plan
  • L.A. Care Health Plan - HMO
  • Medicaid
  • Medicaid - Medicaid
  • Medicaid - Medicaid (Managed)
  • Medicare
  • Medicare - Medicaid
  • Medicare - Medicare
  • Molina Healthcare
  • Molina Healthcare - HMO
  • Molina Healthcare - Medicaid
  • Molina Healthcare - Medicaid (Managed)
  • Molina Healthcare - Medicare
  • Optima Health
  • Sharp Health Plan
  • Tricare
  • UnitedHealthcare
  • UnitedHealthcare - HMO
  • VSP

Medical Specialties

Dr. Diana Lee Marquardt has the following 2 specialties

Specialty Expertise

Dr. Diana Lee Marquardt has the following 11 areas of expertise

  • Allergy & Immunology
  • Anaphylaxis
  • Asthma
  • Check-up
  • Hay Fever (Seasonal Allergic Rhinitis)
  • Heartburn
  • Immunization
  • Nasal Allergy (Rhinitis)
  • Physical
  • Vaccination
  • Weight Loss

Certifications, License, & Education

47 Years Experience

MEDICAL LICENSE

Medical Doctor, California, 2026, Active

EDUCATION & TRAINING

Medical School

Washington University In St Louis School Of MedicineGraduated in 1979

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Frequently Asked Questions

What languages does Dr. Diana Marquardt speak?
Dr. Diana Marquardt speaks Spanish and Chinese.
Is Dr. Diana Marquardt accepting new patients?
Dr. Diana Marquardt is accepting new patients on Vitals. View Dr. Diana Marquardt's profile on Vitals to make an appointment.
How can I make an appointment with Dr. Diana Marquardt?
You can find contact information for Dr. Diana Marquardt here on Vitals.
Does Dr. Diana Marquardt accept my insurance?
You can see the insurance plans that Dr. Diana Marquardt accepts on their Vitals profile.
Which hospitals is Dr. Diana Marquardt affiliated with?
Dr. Diana Marquardt is affiliated with University Of California San Diego Medical Center Hillcrest.

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