Overview
Andrew Tzellas is a primary care provider, practicing in Family Medicine and Internal Medicine in Napa, California. His top areas of expertise are Maturity Onset Diabetes of the Young, Glucocorticoid-Remediable Aldosteronism, Familial Hypertension, and Hypertension.
Insurance
Accepted insurance can change. Please verify directly with the provider.
Accepted insurance plans:
- EPO
- HMO
- POS
- PPO
- EPO
- HMO
- POS
- PPO
- EPO
- HMO
- POS
- PPO
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE-MEDICAID PLAN
- OTHER COMMERCIAL
- OTHER MEDICARE
- OTHER MEDICARE PART D
- PPO
- OTHER MEDICARE
- OTHER MEDICARE PART D
- EPO
- HMO
- PPO
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE SNP
- MEDICARE-MEDICAID PLAN
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- OTHER COMMERCIAL
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE SNP
- OTHER COMMERCIAL
- OTHER MEDICARE
- OTHER MEDICARE PART D
- PPO
- HMO
- INDEMNITY
- POS
- PPO
- EPO
- POS
- PPO
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- OTHER MEDICARE
- POS
- PPO
- OTHER MANAGED MEDICAID
- OTHER MEDICAID
- STATE MEDICAID
- EPO
- HMO
- POS
- PPO
- MEDICARE DISCOUNT CARD
- MEDICARE PDP
- OTHER MEDICARE
- EPO
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE SNP
- MEDICARE-MEDICAID PLAN
- OTHER MEDICARE
- OTHER MEDICARE PART D
- HMO
- INSURANCE PLAN
- MEDICARE DISCOUNT CARD
- MEDICARE MAPD
Locations
William Walker is a primary care provider, practicing in Family Medicine in Martinez, California. Dr. Walker is highly rated in 10 conditions, according to our data. His top areas of expertise are Traumatic Brain Injury, Ear Barotrauma, Concussion, Post-Traumatic Stress Disorder (PTSD), and Thrombectomy.
John Dermody is a primary care provider, practicing in Family Medicine in Napa, California. Dr. Dermody is highly rated in 31 conditions, according to our data. His top areas of expertise are Osteoarthritis, Spinocerebellar Ataxia Type 10, Spinocerebellar Ataxia Type 2, Advanced Bronchoscopy, and Endoscopy.
Lilly Chen is a Palliative Medicine provider in Martinez, California. Dr. Chen is highly rated in 2 conditions, according to our data. Her top areas of expertise are Chronic Pain and Deep Brain Stimulation.
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
- AnemiaDr. Tzellas isExperienced. Learn about Anemia.
- CirrhosisDr. Tzellas isExperienced. Learn about Cirrhosis.
- Diabetic Hyperglycemic Hyperosmolar Syndrome
- Familial Combined HyperlipidemiaDr. Tzellas isExperienced. Learn about Familial Combined Hyperlipidemia.
- Familial HypertensionDr. Tzellas isExperienced. Learn about Familial Hypertension.
- Familial Hypocalciuric Hypercalcemia Type 1