About me
Lonnie Thach, MD, is a board-certified nephrologist at MedStar Washington Hospital Center and MedStar Georgetown University Hospital. Dr. Thach treats patients with kidney diseases and dysfunction, including chronic kidney disease, acute kidney injury, hypertension, and glomerulonephritis. He holds professional memberships with the American Society of Nephrology, the National Kidney Foundation, and the American College of Physicians.
Dr. Thach takes a holistic and patient-guided approach to medical management. After thoroughly explaining and reviewing his patients’ lab results, he explores all available options, including lifestyle changes like exercise and diet, medication, and dialysis modalities if needed. At the end of the day, he wants to ensure that his patients are fully aligned and comfortable with the prescribed treatment plan.
His clinical interests include urine microscopy, hypertension, and medical education. Committed to staying abreast of new research and advances in his field, he is currently interested in up-and-coming treatments and drug discoveries for glomerulonephritis and the role of multi-target therapy in managing chronic kidney disease.
Dr. Thach obtained a Bachelor of Science in Biology from the University of Texas and his Masters in Biology from Southern Illinois University. Fascinated by the basic sciences and inspired by the doctor-patient relationship, he went on to obtain his Doctor of Medicine degree. After completing his residency, he transferred to McGaw Medical Center of Northwestern University for his fellowship training.
Dr. Thach is conversationally fluent in Khmer. In his free time, he loves playing racquet sports, exploring the outdoors, and trying all the different foods that DC has to offer.
Philosophy of Care
“Being a good doctor means always doing what is best for my patient. I want to understand my patients’ goals, respect their desires for how far we go with treatments, and create a feasible plan that fits their lifestyle. My recommendations will be holistic, evidence-based, and patient-focused. Above all, I want my patients to feel heard and that their needs and questions were addressed during their appointment.”
Clinical areas of focus
- Chronic Kidney Disease
- Diabetic Nephropathy
- Dialysis
- End Stage Renal Disease Treatment
- Endstage Renal Disease
- Kidney Disease Treatment
- Laparoscopic Kidney Biopsy
- Nephrotic Syndrome
- Nephrotic Syndrome Treatment
- Transplanted Kidney Failure
Conditions and procedures
Conditions I treat
- Anemia Of Chronic Disease
- Cardiorenal Syndrome
- Chronic Kidney Disease
- Complications Of Transplanted Organs And Tissue
- Diabetic Nephropathy
- Endstage Renal Disease
- Fibromuscular Dysplasia
- Gestational Edema
- Hypertension
- Kidney Blockage
- Kidney Injury
- Kidney Stones
- Nephrotic Syndrome
- Obstructive And Reflux Uropathy
- Proteinuria
- Pyelonephritis
- Renal Insufficiency
- Transplanted Kidney Failure
- Type 2 Diabetes Mellitus
Procedures I perform
- Acute Kidney Injury Treatment
- Blood Urea Nitrogen (BUN) Test
- Cardiorenal Syndrome Treatment
- Continuous Veno-Venous Hemofiltration
- Creatinine Clearance Test
- Dialysis
- End Stage Renal Disease Treatment
- Excess Water Removal
- Fibrillary Glomerulonephritis Treatment
- Fluid Overload Management
- Hemoperfusion For Toxin Removal
- Hypertension Treatment
- Kidney Disease Treatment
- Kidney Function Test
- Kidney Pancreas Transplant Evaluation
- Laparoscopic Kidney Biopsy
- Limited Retroperitoneal Ultrasound
- Magnesium Imbalance Treatment
- Nephrotic Syndrome Treatment
- Pancreatic Disease Management
- Phosphorus Management
- Potassium Management
- Renal Biopsy
- Renal Failure Treatment
- Renal Transplant
- Sodium Management
- Thrombocytapheresis
- Transplant Glomerulopathy Treatment
- Urinary Filtration Performance
- Vascular Access Creation
Practice locations
Distance from Change Location Enter your Location
110 Irving St NW
POB North Tower
Washington, DC, 20010
110 Irving St NW
Rm 1A-50B
Washington, DC, 20010
Insurance
This list represents the major payors accepted by MedStar Health. NOTE: Payor contracts change and not all plans associated with a payor may be covered. Payors may offer multiple plans. If you have a question related to your insurance, please contact your insurance plan directly. Contact information is located on your health insurance ID card. *Denotes limited participation. Specific providers and practices may NOT be participating. Please contact your insurance plan directly.
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List of insurance plans we accept
- Aetna
- CareFirst BlueCross BlueShield of Maryland
- Cigna Health Care
- Kaiser Permanente*
- MedStar Select (Administered by CareFirst)
- United HealthCare
- Aetna
- CareFirst BlueCross BlueShield of Maryland
- Healthspring
- Humana
- Medicare & Railroad Medicare
- United HealthCare
- Aetna Better Health of Maryland *
- Medical Assistance/Medicaid
- MedStar Family Choice MD
- Priority Partners *
- United HealthCare Community Health Plan MD
- Wellpoint MD
- AmeriHealth Caritas
- Health Services For Children With Special Needs (HSCSN)
- Medical Assistance/Medicaid
- MedStar Family Choice DC
- Johns Hopkins Employer Health Programs *
- Johns Hopkins US Family Health Plan *
- MultiPlan
- Private Healthcare Systems
- Tricare/Humana Military
- VA Community Care Network (VACCN)
Education
Board Certification: American Board of Internal Medicine, Internal Medicine
Fellowship: McGaw Medical Center of Northwestern University (2024)
Residency: St. Louis University School of Medicine (2022)
Medical School: Southern Illinois University (2019)