Overview
John Fagan is a primary care provider, practicing in Family Medicine in Rancho Cucamonga, California. Dr. Fagan is rated as an Experienced provider by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). His top areas of expertise are Ehlers-Danlos Syndrome (EDS), Familial Hypertension, Glucocorticoid-Remediable Aldosteronism, and Hypertension.
His clinical research consists of co-authoring 2 peer reviewed articles. MediFind looks at clinical research from the past 15 years.
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
- EPO
- INSURANCE PLAN
- MEDICARE MAPD
- MEDICARE PDP
- OTHER COMMERCIAL
- OTHER MEDICARE
- PPO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- OTHER MEDICARE PART D
- PPO
- HMO
- POS
- PPO
- OTHER MEDICARE
- OTHER MEDICARE PART D
- EPO
- HMO
- PPO
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE SNP
- MEDICARE-MEDICAID PLAN
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE SNP
- MEDICARE-MEDICAID PLAN
- 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
- PPO
- EPO
- POS
- HMO
- INDEMNITY
- POS
- PPO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE SNP
- MEDICARE-MEDICAID PLAN
- OTHER MEDICARE
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- OTHER MEDICARE
- POS
- PPO
- OTHER MANAGED MEDICAID
- EPO
- HMO
- PPO
- OTHER MEDICAID
- STATE MEDICAID
- HMO
- PPO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE SNP
- MEDICARE-MEDICAID PLAN
- OTHER MEDICARE PART D
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE SNP
- MEDICARE-MEDICAID PLAN
- OTHER COMMERCIAL
- OTHER MEDICARE
- OTHER MEDICARE PART D
- INSURANCE PLAN
- MEDICARE MAPD
- OTHER COMMERCIAL
- PPO
- INSURANCE PLAN
- MEDICARE MAPD
- PPO
- 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
Locations
10787 Laurel St, Rancho Cucamonga, CA 91730
Clinical Research
Clinical research consists of overseeing clinical studies of patients undergoing new treatments and therapies, and publishing articles in peer reviewed medical journals. Providers who actively participate in clinical research are generally at the forefront of the fields and aware of the most up-to-date advances in treatments for their patients.
Erik Lundquist MD Inc
Jonathan Vellinga is a primary care provider, practicing in Family Medicine and Internal Medicine in Temecula, California. Dr. Vellinga has been practicing medicine for over 18 years and is rated as a Distinguished provider by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). His top areas of expertise are Hypermethioninemia, Sulfite Oxidase Deficiency, Methylmalonic Acidemia with Homocystinuria, and Inborn Amino Acid Metabolism Disorder.
Office
Yen Lai is a primary care provider, practicing in Family Medicine in Glendora, California. Dr. Lai is rated as a Distinguished provider by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). Her top areas of expertise are Aromatase Deficiency, Renal Hypomagnesemia Type 2, Methylmalonic Acidemia with Homocystinuria, and Homocystinuria.
Dynamic Health Center
Mary Raleigh is a Family Medicine provider in Irvine, California. Dr. Raleigh is rated as an Experienced provider by MediFind in the treatment of Mast Cell Activation Syndrome (MCAS). Her top areas of expertise are Vitamin B12 Deficiency, Mast Cell Activation Syndrome (MCAS), Vitamin D Deficiency, and MAGIC Syndrome.
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
- Distinguished
- Ehlers-Danlos Syndrome (EDS)Dr. Fagan isDistinguished. Learn about Ehlers-Danlos Syndrome (EDS).
- Familial HypertensionDr. Fagan isDistinguished. Learn about Familial Hypertension.
- Glucocorticoid-Remediable AldosteronismDr. Fagan isDistinguished. Learn about Glucocorticoid-Remediable Aldosteronism.
- HypertensionDr. Fagan isDistinguished. Learn about Hypertension.
- Urinary Tract Infection in ChildrenDr. Fagan isDistinguished. Learn about Urinary Tract Infection in Children.
- Advanced
- AnemiaDr. Fagan isAdvanced. Learn about Anemia.
- Bell's PalsyDr. Fagan isAdvanced. Learn about Bell's Palsy.
- CellulitisDr. Fagan isAdvanced. Learn about Cellulitis.
- Chronic Kidney DiseaseDr. Fagan isAdvanced. Learn about Chronic Kidney Disease.
- Chronic Obstructive Pulmonary Disease (COPD)
- DementiaDr. Fagan isAdvanced. Learn about Dementia.
- Experienced
- AcneDr. Fagan isExperienced. Learn about Acne.
- AcrospiromaDr. Fagan isExperienced. Learn about Acrospiroma.
- Acute CystitisDr. Fagan isExperienced. Learn about Acute Cystitis.
- Acute Kidney FailureDr. Fagan isExperienced. Learn about Acute Kidney Failure.
- Acute Mountain SicknessDr. Fagan isExperienced. Learn about Acute Mountain Sickness.
- ALK-Positive Non-Small Cell Lung Cancer