James A. Tumlin
Expertise in
25
conditions

Dr. James A. Tumlin

Nephrology
595 Hurricane Shoals Road Northwest, 
Lawrenceville, GA 
Clinical Trials:Currently Recruiting for 1 Trial
Accepting New Patients
Referral required
Before you request
Expertise in
25
conditions
595 Hurricane Shoals Road Northwest, 
Lawrenceville, GA 

Overview

James Tumlin is a Nephrologist practicing medicine in Lawrenceville, Georgia.

Dr. Tumlin is highly rated in 25 conditions, according to our data. His clinical expertise encompasses IgA Nephropathy, Lupus Nephritis, Glomerulonephritis, Focal Segmental Glomerulosclerosis, and Kidney Transplant.

Dr. Tumlin is board certified in American Board Of Internal Medicine, 1992, American Board Of Internal Medicine, and American Board Of Internal Medicine - Nephrology. He is actively involved in clinical research, co-authoring 70 peer reviewed articles and participating in 9 clinical trials. Dr. Tumlin is currently accepting new patients.

Graduate Institution

University Of South Florida College Of Medicine

Specialties

Nephrology

Licenses

Internal Medicine in TN

Board Certifications

American Board Of Internal Medicine, 1992
American Board Of Internal Medicine
American Board Of Internal Medicine - Nephrology

Fellowships

Emory University School of Medicine, Nephrology, 1991

Hospital Affiliations

Piedmont Eastside Medical Center
Northside Hospital Duluth
Emory Johns Creek Hospital
Northside Hospital Gwinnett

Languages Spoken

English

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
Anthem BCBS
  • EPO
  • HMO
  • POS
  • PPO
Blue Cross Blue Shield
  • 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
CareFirst
  • HMO
  • POS
  • PPO
CareSource
  • HMO
Cigna
  • EPO
  • HMO
  • PPO
Devoted Health
  • MEDICARE MAPD
  • OTHER MEDICARE
Group Health Cooperative
  • HMO
  • POS
  • 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
Humana
  • HMO
  • INDEMNITY
  • POS
  • PPO
Independent Health
  • EPO
  • POS
  • PPO
Kaiser
  • EPO
  • HMO
  • POS
Managed Medicaid
  • OTHER MANAGED MEDICAID
Medicaid
  • OTHER MEDICAID
  • STATE MEDICAID
Medicare
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • MEDICARE SNP
  • MEDICARE-MEDICAID PLAN
  • OTHER MEDICARE PART D
Meridian Choice
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE SNP
  • MEDICARE-MEDICAID PLAN
  • OTHER COMMERCIAL
  • OTHER MEDICARE
  • OTHER MEDICARE PART D
Oscar
  • EPO
  • HMO
  • PPO
TeamCare
  • OTHER COMMERCIAL
UnitedHealthcare
  • EPO
  • HMO
  • POS
  • PPO
Wellcare
  • EPO
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • MEDICARE SNP
  • MEDICARE-MEDICAID PLAN
  • OTHER MEDICARE
  • OTHER MEDICARE PART D
View 16 Less Insurance Carriers -

Locations

Georgia Nephrology
595 Hurricane Shoals Road Northwest, Lawrenceville, GA 30046

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.

9 Clinical Trials

Transformative Research In DiabEtic NephropaThy
Transformative Research In DiabEtic NephropaThy
Enrollment Status: Recruiting
Publish Date: February 27, 2026
Intervention Type: Other
A Phase 3, Randomized, Double-blind, Placebo-controlled Study of Atrasentan in Patients With IgA Nephropathy at Risk of Progressive Loss of Renal Function
A Phase 3, Randomized, Double-blind, Placebo-controlled Study of Atrasentan in Patients With IgA Nephropathy at Risk of Progressive Loss of Renal Function
Enrollment Status: Active_not_recruiting
Publish Date: June 04, 2026
Intervention Type: Drug
Study Drug: Atrasentan
Study Phase: Phase 3
A Phase 2, Open-Label, Basket Study of Atrasentan in Patients With Proteinuric Glomerular Diseases
A Phase 2, Open-Label, Basket Study of Atrasentan in Patients With Proteinuric Glomerular Diseases
Enrollment Status: Active_not_recruiting
Publish Date: June 01, 2026
Intervention Type: Drug
Study Drug: Atrasentan
Study Phase: Phase 2
A Phase 2, Randomized, Double-Blind, Placebo-Controlled Study to Evaluate the Safety, Efficacy, Pharmacodynamics, and Pharmacokinetics of Lademirsen (SAR339375) for Subcutaneous Injection Administered Every Week in Patients With Alport Syndrome
A Phase 2, Randomized, Double-Blind, Placebo-Controlled Study to Evaluate the Safety, Efficacy, Pharmacodynamics, and Pharmacokinetics of Lademirsen (SAR339375) for Subcutaneous Injection Administered Every Week in Patients With Alport Syndrome
Enrollment Status: Terminated
Publish Date: September 11, 2025
Intervention Type: Drug
Study Drug: Iademirsen
Study Phase: Phase 2
A Phase 3 Trial of the Efficacy and Safety of Bardoxolone Methyl in Patients With Autosomal Dominant Polycystic Kidney Disease
A Phase 3 Trial of the Efficacy and Safety of Bardoxolone Methyl in Patients With Autosomal Dominant Polycystic Kidney Disease
Enrollment Status: Terminated
Publish Date: June 03, 2025
Intervention Type: Drug
Study Drug: Bardoxolone
Study Phase: Phase 3
Randomized, Multicenter, Double-blind, Parallel-Group, Placebo & Comparator-Controlled Study to Compare the Glycemic Effects, Safety & Tolerability of Metformin Delayed-Release Tablets in Patients With Type 2 Diabetes Mellitus
Randomized, Multicenter, Double-blind, Parallel-Group, Placebo & Comparator-Controlled Study to Compare the Glycemic Effects, Safety & Tolerability of Metformin Delayed-Release Tablets in Patients With Type 2 Diabetes Mellitus
Enrollment Status: Suspended
Publish Date: March 14, 2023
Intervention Type: Drug
Study Drug: Metformin
Study Phase: Phase 3
A Multicenter Comparative and Efficacy Study of ACTHar Gel Alone or in Combination With Tacrolimus in Fibrillary Glomerulopathy
A Multicenter Comparative and Efficacy Study of ACTHar Gel Alone or in Combination With Tacrolimus in Fibrillary Glomerulopathy
Enrollment Status: Withdrawn
Publish Date: September 22, 2022
Intervention Type: Drug
Study Phase: Phase 4
Effect of Bacterial Colonization and Extracellular HSP-70 Expression in Sub-Glottic Secretions on Ventilator Free Days in Patients Receiving Mechanical Ventilation for Respiratory Failure or Airway Protection
Effect of Bacterial Colonization and Extracellular HSP-70 Expression in Sub-Glottic Secretions on Ventilator Free Days in Patients Receiving Mechanical Ventilation for Respiratory Failure or Airway Protection
Enrollment Status: Withdrawn
Publish Date: November 25, 2020
A Phase 2, Multi-Center, Randomised, Double-Blind, Ascending-Dose, Placebo-Controlled Clinical Study to Assess the Safety and Efficacy of Fostamatinib in the Treatment of IgA Nephropathy
A Phase 2, Multi-Center, Randomised, Double-Blind, Ascending-Dose, Placebo-Controlled Clinical Study to Assess the Safety and Efficacy of Fostamatinib in the Treatment of IgA Nephropathy
Enrollment Status: Completed
Publish Date: June 27, 2019
Intervention Type: Drug
Study Phase: Phase 2
View 8 Less Clinical Trials

70 Total Publications

Povetacicept for IgA Nephropathy and Primary Membranous Nephropathy.
Povetacicept for IgA Nephropathy and Primary Membranous Nephropathy.
Journal: Kidney international reports
Published: October 15, 2025
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Georgia Nephrology

595 Hurricane Shoals Road Northwest, Ste100, 
Lawrenceville, GA 
 (0.1 miles away)
404-645-7150
Languages Spoken:
English, French
See accepted insurances
Accepting New Patients

Kimathi Blackwood is a Nephrologist practicing medicine in Lawrenceville, Georgia. Dr. Blackwood is highly rated in 28 conditions, according to our data. His clinical expertise encompasses End-Stage Renal Disease (ESRD), Chronic Kidney Disease, Acute Kidney Failure, and Hypophosphatasia (HPP). Dr. Blackwood is board certified in American Board Of Internal Medicine, 2010. Dr. Blackwood is currently accepting new patients.

Frequently Asked Questions about Dr. James A. Tumlin

How do I make an appointment with Dr. James A. Tumlin?

You can book an appointment with Dr. James A. Tumlin by calling their office at 404-645-7150. MediFind provides direct contact information so you can schedule visits, second opinions, or consultations without navigating third-party calendars.

Is Dr. James A. Tumlin a top-rated expert for IgA Nephropathy?

MediFind is an objective health platform that identifies experts based on real-world data. Dr. James A. Tumlin is classified as an Elite expert for IgA Nephropathy, 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. James A. Tumlin specialize in?

While Dr. James A. Tumlin is a Nephrology, they have specific expertise in IgA Nephropathy, Lupus Nephritis, and Glomerulonephritis. MediFind analyzes a doctor's articles and referral patterns to identify their specific areas of focus within Nephrology.

Does Dr. James A. Tumlin participate in research or clinical trials?

Yes. Dr. James A. Tumlin has published 70 articles and abstracts on conditions like IgA Nephropathy. You can view a list of Dr. James A. Tumlin's latest peer-reviewed publications and clinical trial participation on their profile to see if they are active in new treatments.

Does Dr. James A. Tumlin accept my insurance?

Dr. James A. Tumlin accepts most major insurance plans, including Aetna and Anthem BCBS. We recommend calling the office directly at 404-645-7150 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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