John E. Sy
Expertise in
1
conditions
Expertise in
1
conditions
101 The City Drive South, 
Orange, CA 

Overview

Dr. John E. Sy is a board-certified UCI Health nephrologist who specializes in the diagnosis and treatment of kidney diseases and disorders. His clinical interests include chronic kidney disease, acute kidney injuries, polycystic kidney disease, electrolyte disorders and dialysis.He earned his medical degree at the University of Texas Southwestern Medical School in Dallas. He completed a residency in internal medicine at Olive View-UCLA Medical Center in Sylmar, Calif., and a fellowship in nephrology at UC San Francisco, where he also received a master’s degree in clinical research.His research interests include the impact of frailty on patients with chronic kidney disease, clinical outcomes of dialysis patients and anticoagulation among patients with chronic kidney disease.Sy, who also is fluent in Hokkien Chinese, believes in working with his patients to improve their quality of life.

Dr. Sy is highly rated in 1 condition, according to our data. His clinical expertise encompasses Chronic Kidney Disease, End-Stage Renal Disease (ESRD), Nephrosclerosis, Renovascular Hypertension, and Kidney Transplant.

Dr. Sy is board certified in American Board Of Internal Medicine - Internal Medicine and American Board Of Internal Medicine - Nephrology. He is actively involved in clinical research, co-authoring 21 peer reviewed articles.

Graduate Institution

University Of Texas Southwestern|University Of Texas Southwestern Medical School

Residency

Olive View - University of California Los Angeles - Internal Medicine

Specialties

Nephrology
Internal Medicine

Licenses

Internal Medicine in CA

Board Certifications

American Board Of Internal Medicine - Internal Medicine
American Board Of Internal Medicine - Nephrology

Fellowships

UCSF - Nephrology

Hospital Affiliations

Uci Health-Orange

Languages Spoken

English
Hokkien

Gender

Male

Insurance

Accepted insurance can change. Please verify directly with the provider.

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Accepted insurance plans:

Aetna
  • EPO
  • HMO
  • POS
  • PPO
Alignment Health Plan
  • MEDICARE MAPD
  • MEDICARE SNP
  • OTHER MEDICARE
  • OTHER MEDICARE PART D
Anthem BCBS
  • EPO
  • HMO
  • POS
  • PPO
Blue Shield of California
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • MEDICARE-MEDICAID PLAN
  • OTHER COMMERCIAL
  • OTHER MEDICARE
  • OTHER MEDICARE PART D
  • PPO
Change Healthcare
  • OTHER MEDICARE
  • OTHER MEDICARE PART D
Cigna
  • EPO
  • HMO
  • PPO
Health Care Services Corporation
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • MEDICARE SNP
  • OTHER COMMERCIAL
  • OTHER MEDICARE
  • OTHER MEDICARE PART D
  • PPO
Health Net

Accepted plan types not found. Please verify directly with the provider.

Humana
  • HMO
  • INDEMNITY
  • POS
  • PPO
Managed Medicaid
  • OTHER MANAGED MEDICAID
Medicaid
  • OTHER MEDICAID
  • STATE MEDICAID
SCAN Health Plan
  • INSURANCE PLAN
  • MEDICARE MAPD
UnitedHealthcare
  • EPO
  • HMO
  • POS
  • PPO
Walgreens
  • MEDICARE DISCOUNT CARD
  • MEDICARE PDP
  • OTHER MEDICARE
Wellcare
  • EPO
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • MEDICARE SNP
  • MEDICARE-MEDICAID PLAN
  • OTHER MEDICARE
  • OTHER MEDICARE PART D
View 10 Less Insurance Carriers -

Locations

UC Irvine Medical Center
101 The City Drive South, Orange, CA 92868

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.


21 Total Publications

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Office

15775 Laguna Canyon Rd Ste 190, 
Irvine, CA 
 (12.4 miles away)
Languages Spoken:
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Expertise in
12
conditions
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Referral may be required

UCI Health

101 The City Dr S, 
Orange, CA 
 (0.1 miles away)
Languages Spoken:
English
Offers Telehealth

Connie Rhee is a Nephrologist practicing medicine in Orange, California. Dr. Rhee is highly rated in 12 conditions, according to our data. Her clinical expertise encompasses Chronic Kidney Disease, End-Stage Renal Disease (ESRD), High Potassium Level, Kidney Transplant, and Hormone Replacement Therapy (HRT).

Expertise in
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Expertise in
11
conditions
Nephrology | Internal Medicine
Referral may be required

UC Irvine Medical Center

101 The City Drive South, Building 30, 
Orange, CA 
 (0.1 miles away)
Languages Spoken:
English
Offers Telehealth

Ekamol Tantisattamo is an Internal Medicine specialist and a Nephrologist practicing medicine in Orange, California. Dr. Tantisattamo is highly rated in 11 conditions, according to our data. His clinical expertise encompasses Chronic Kidney Disease, Polycystic Kidney Disease, Low Sodium Level, Kidney Transplant, and Nephrectomy. Dr. Tantisattamo is board certified in American Board Of Internal Medicine - Nephrology and American Board Of Internal Medicine - Internal Medicine.

Frequently Asked Questions about Dr. John E. Sy

Is Dr. John E. Sy a top-rated expert for Chronic Kidney Disease?

MediFind is an objective health platform that identifies experts based on real-world data. Dr. John E. Sy is classified as an Advanced 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 E. Sy specialize in?

While Dr. John E. Sy is a Nephrology, they have specific expertise in Chronic Kidney Disease, End-Stage Renal Disease (ESRD), and Nephrosclerosis. MediFind analyzes a doctor's articles and referral patterns to identify their specific areas of focus within Nephrology.

Does Dr. John E. Sy participate in research or clinical trials?

Yes. Dr. John E. Sy has published 21 articles and abstracts on conditions like Chronic Kidney Disease. You can view a list of Dr. John E. Sy's latest peer-reviewed publications and clinical trial participation on their profile to see if they are active in new treatments.

Does Dr. John E. Sy accept my insurance?

Dr. John E. Sy accepts most major insurance plans, including Aetna and Alignment Health Plan. We recommend calling the office directly 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

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