Overview
John Sim is a primary care provider, practicing in Internal Medicine in Santa Barbara, California. Dr. Sim is highly rated in 16 conditions, according to our data. His top areas of expertise are Chronic Kidney Disease, Hypertension, End-Stage Renal Disease (ESRD), Hypothyroidism, and Kidney Transplant.
His clinical research consists of co-authoring 123 peer reviewed articles. MediFind looks at clinical research from the past 15 years.
Graduate Institution
Residency
Specialties
Licenses
Hospital Affiliations
Languages Spoken
Gender
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
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- OTHER COMMERCIAL
- 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
- 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
- POS
- HMO
- INDEMNITY
- POS
- PPO
- OTHER MANAGED MEDICAID
- OTHER MEDICAID
- STATE MEDICAID
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE PDP
- INSURANCE PLAN
- MEDICARE MAPD
- OTHER COMMERCIAL
- PPO
- HMO
- OTHER COMMERCIAL
- 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
317 West Pueblo Street, Santa Barbara, CA 93105
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.
Office
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Frequently Asked Questions about Dr. John Sim
How do I make an appointment with Dr. John Sim?
You can book an appointment with Dr. John Sim by calling their office at 805-681-7500. MediFind provides direct contact information so you can schedule visits, second opinions, or consultations without navigating third-party calendars.
Is Dr. John Sim a top-rated expert for Chronic Kidney Disease?
MediFind is an objective health platform that identifies experts based on real-world data. Dr. John Sim is classified as an Elite expert for Chronic Kidney Disease, meaning they are among the top experts in the country for this condition. This ranking is based on their volume of patients, published research, and peer connections.
What conditions does Dr. John Sim specialize in?
While Dr. John Sim is a Internal Medicine, they have specific expertise in Chronic Kidney Disease, Hypertension, and End-Stage Renal Disease (ESRD). MediFind analyzes a doctor's articles and referral patterns to identify their specific areas of focus within Internal Medicine.
Does Dr. John Sim participate in research or clinical trials?
Yes. Dr. John Sim has published 123 articles and abstracts on conditions like Chronic Kidney Disease. You can view a list of Dr. John Sim's latest peer-reviewed publications and clinical trial participation on their profile to see if they are active in new treatments.
Does Dr. John Sim accept my insurance?
Dr. John Sim accepts most major insurance plans, including Aetna and Alignment Health Plan. We recommend calling the office directly at 805-681-7500 to verify that your specific plan is currently accepted before your visit.
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
- Elite
- Chronic Kidney Disease
- Distinguished
- End-Stage Renal Disease (ESRD)Dr. Sim isDistinguished. Learn about End-Stage Renal Disease (ESRD).
- GlomerulonephritisDr. Sim isDistinguished. Learn about Glomerulonephritis.
- HypertensionDr. Sim isDistinguished. Learn about Hypertension.
- HypothyroidismDr. Sim isDistinguished. Learn about Hypothyroidism.
- Low Blood PressureDr. Sim isDistinguished. Learn about Low Blood Pressure.
- Advanced
- Autosomal Dominant Polycystic Kidney Disease
- COVID-19Dr. Sim isAdvanced. Learn about COVID-19.
- Focal Segmental Glomerulosclerosis
- High Potassium LevelDr. Sim isAdvanced. Learn about High Potassium Level.
- IgA NephropathyDr. Sim isAdvanced. Learn about IgA Nephropathy.
- Low Sodium LevelDr. Sim isAdvanced. Learn about Low Sodium Level.
- Experienced
- AnemiaDr. Sim isExperienced. Learn about Anemia.
- Chronic CoughDr. Sim isExperienced. Learn about Chronic Cough.
- Chronic PainDr. Sim isExperienced. Learn about Chronic Pain.
- Coronary Artery SpasmDr. Sim isExperienced. Learn about Coronary Artery Spasm.
- Crohn's DiseaseDr. Sim isExperienced. Learn about Crohn's Disease.
- Diabetic NephropathyDr. Sim isExperienced. Learn about Diabetic Nephropathy.

