
Overview
Andy Chang is a primary care provider, practicing in Family Medicine in Fremont, California. Dr. Chang is rated as an Experienced provider by MediFind in the treatment of Idiopathic Hypercalciuria. His top areas of expertise are High Cholesterol, Type 2 Diabetes (T2D), Macroamylasemia, and Maturity Onset Diabetes of the Young.
Insurance
Accepted insurance can change. Please verify directly with the provider.
Accepted insurance plans:
- EPO
- HMO
- POS
- PPO
- MEDICARE MAPD
- MEDICARE SNP
- OTHER MEDICARE
- OTHER MEDICARE PART D
- 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
- HMO
- POS
- PPO
- HMO
- MEDICARE SNP
- OTHER MEDICARE PART D
- PPO
- EPO
- HMO
- PPO
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE SNP
- OTHER COMMERCIAL
- OTHER MEDICARE
- OTHER MEDICARE PART D
- PPO
Accepted plan types not found. Please verify directly with the provider.
- EPO
- HMO
- 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
- INSURANCE PLAN
- INSURANCE PLAN
- MEDICARE MAPD
- OTHER COMMERCIAL
- PPO
- HMO
- OTHER COMMERCIAL
- EPO
- HMO
- POS
- PPO
- HMO
- 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
Locations
3200 Kearney Street, Building 2, Floor 1, Fremont, CA 94538
John Muir Physician Network
Immanuel Asuncion is a primary care provider, practicing in Family Medicine and General Practice in San Pablo, California. Dr. Asuncion is rated as an Advanced provider by MediFind in the treatment of Idiopathic Hypercalciuria. His top areas of expertise are Type 2 Diabetes (T2D), Osteomyelitis in Children, High Cholesterol, and Cirrhosis.
Amita Sharma is a primary care provider, practicing in Family Medicine in Hayward, California. Dr. Sharma is rated as an Advanced provider by MediFind in the treatment of Idiopathic Hypercalciuria. Her top areas of expertise are Fish-Eye Disease, Abetalipoproteinemia, Chorea-Acanthocytosis, Endoscopy, and Iridectomy.
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 Idiopathic Hypercalciuria. His top areas of expertise are Visceromegaly, Enlarged Liver, Hypertension, and Glucocorticoid-Remediable Aldosteronism.
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
- CirrhosisDr. Chang isExperienced. Learn about Cirrhosis.
- Essential ThrombocythemiaDr. Chang isExperienced. Learn about Essential Thrombocythemia.
- Familial Combined HyperlipidemiaDr. Chang isExperienced. Learn about Familial Combined Hyperlipidemia.
- Familial HypertensionDr. Chang isExperienced. Learn about Familial Hypertension.
- Familial HypertriglyceridemiaDr. Chang isExperienced. Learn about Familial Hypertriglyceridemia.
- Familial Hypocalciuric Hypercalcemia Type 1

