Dr. Diana Marquardt MD

  • Internal Medicine San Diego, CA

Patient Reviews

Reviews reflect patients' level of satisfaction with the care they received from this provider. Dr. Diana Marquardt does not yet have any reviews.

Have you seen Dr. Diana Marquardt before?
Be the first to review!


Dr. Diana Marquardt, MD is a Doctor primarily located in San Diego, CA. She has 37 years of experience. Her specialties include Internal Medicine. Dr. Marquardt is affiliated with Scripps Mercy Hospital - Chula Vista Campus, UC San Diego Medical Center and Sharp Chula Vista Medical Center. She speaks English.


Patients rate and review their physicians based on criteria of care including bedside manner, doctor-patient face time, and degree of follow-up. Patients also provide their doctor with an overall ratings. Vitals analyzes these ratings annually, along with other quality measures, to identify and award the top physicians.


Find out the languages this doctor/ or staff may speak.

Specialties & Expertise

Dr. Diana Marquardt has the following 11 areas of expertise, 1 specialty and 2 board certifications.

Internal Medicine

An internist is a physician who focuses on the diagnosis and treatment of conditions that affect the adult population—both acute and chronic.

These doctors are often who adults see as their primary physicians because they treat a broad range of illnesses that do not require surgical or specialist interventions. They also work to help a patient maintain optimal health in order to prevent the onset of disease.

In addition to treating the common cold and flu, internists also treat chronic diseases like diabetes and heart disease.


See areas of expertise for treating specific conditions, procedures and surgeries for this doctor.

Board Certifications

See the board certifications this doctor has received. Board certifications provide confidence that this doctor meets the nationally recognized standards for education, knowledge and experience.

Locations & Directions

Mid-City Community Adult Clinic

4290 Polk Ave
San Diego, CA 92105

Nearby Doctors

Dr. Diana Marquardt, MD is similar to these 3 Doctors near San Diego, CA.


Dr. Pegah Mashayekhi

5.0 of 5


Dr. Michelle Maynard

31 years experience

4.3 of 5


Dr. Jennifer Poast

19 years experience

4.0 of 5