Overview
William Davis is a primary care provider, practicing in Family Medicine in Winters, California. Dr. Davis is rated as an Experienced provider by MediFind in the treatment of Thyroid Dysgenesis. His top areas of expertise are Chronic Cough, Type 2 Diabetes (T2D), Diabetic Neuropathy, and Transient Familial Hyperbilirubinemia.
Insurance
Accepted insurance can change. Please verify directly with the provider.
Locations
Michael O'brien is a primary care provider, practicing in Family Medicine in Castro Valley, California. Dr. O'brien is rated as an Advanced provider by MediFind in the treatment of Thyroid Dysgenesis. His top areas of expertise are Newborn Jaundice, Thyroid Dysgenesis, Congenital Hypothyroidism, and Transient Familial Hyperbilirubinemia.
Brentwood Care Center
Derek Johnson is a primary care provider, practicing in Family Medicine in Brentwood, California. Dr. Johnson is rated as an Advanced provider by MediFind in the treatment of Thyroid Dysgenesis. His top areas of expertise are Visceromegaly, Enlarged Liver, Hypertension, and Glucocorticoid-Remediable Aldosteronism.
Orinda Care Center
Catherine Jiam is a primary care provider, practicing in Family Medicine in Orinda, California. Dr. Jiam is rated as an Experienced provider by MediFind in the treatment of Thyroid Dysgenesis. Her top areas of expertise are Miller-Fisher Syndrome, Chronic Polyradiculoneuritis, Guillain-Barre Syndrome, and Macroamylasemia.
Areas of Expertise
MediFind evaluates expertise by pulling from factors such as number of articles a doctor has published in medical journals, participation in clinical trials, speaking at industry conferences, prescribing and referral patterns, and strength of connections with other experts in their field.
Learn more about MediFind’s expert tiers
- Experienced
- Chronic CoughDr. Davis isExperienced. Learn about Chronic Cough.
- Chronic Obstructive Pulmonary Disease (COPD)
- CirrhosisDr. Davis isExperienced. Learn about Cirrhosis.
- Congenital HypothyroidismDr. Davis isExperienced. Learn about Congenital Hypothyroidism.
- Diabetic NeuropathyDr. Davis isExperienced. Learn about Diabetic Neuropathy.
- FaintingDr. Davis isExperienced. Learn about Fainting.

