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Dr. Dawn Ellerson, MD is a Doctor primarily located in Santa Barbara, CA, with other offices in Arroyo Grande, CA and San Luis Obispo, CA. She has 21 years of experience. Her specialties include Pathology. Dr. Ellerson is affiliated with Arroyo Grande Community Hospital, Marian Medical Center and Goleta Valley Cottage Hospital. She speaks English.


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Specialties & Expertise

Dr. Dawn Ellerson has the following 1 specialty and 1 board certification.


A pathologist is a physician who specializes in the causes and paths taken by different diseases in order to accurately diagnose an illness.
Pathologists diagnose and determine the characteristics of a disease through the study of biopsies of diseased tissue or of bodily fluids. For example, a pathologist will look at a biopsy of a skin lesion in order to diagnose or rule out skin cancer. A pathologist will also look at a Pap smear in order to check for a gynecological cancer like cancer of the uterus.
In addition to determining the cause and development of a disease, these specialists also study the changes a disease makes to a body and the consequences of those structural changes.

Board Certification

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Locations & Directions

334 S Patterson Ave
Santa Barbara, CA 93111

345 S Halcyon Rd
Arroyo Grande, CA 93420

3701 S Higuera St
San Luis Obispo, CA 93401

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