Dr. David Ernst MD

  • Internal Medicine San Rafael, CA

Patient Reviews

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

Have you seen Dr. David Ernst before?
Be the first to review!


Dr. David Ernst, MD is a Doctor primarily located in San Rafael, CA, with other offices in Greenbrae, CA and San Rafael, CA (and 2 other locations). He has 47 years of experience. His specialties include Internal Medicine. He speaks English.


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


Learn where this doctor attended medical school.

Specialties & Expertise

Dr. David Ernst has the following 7 areas of expertise, 1 specialty and 1 board certification.

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 Certification

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


1033 3rd St
San Rafael, CA 94901

250 Bon Air Rd
Greenbrae, CA 94904

3110 Kerner Blvd
San Rafael, CA 94901

Concord Adult Medicine Center

3052 Willow Pass Rd
Concord, CA 94519

Marin Community Clinic

6090 Redwood Blvd
Novato, CA 94945

Nearby Doctors

Dr. David Ernst, MD is similar to these 3 Doctors near San Rafael, CA.