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Constantine Michael Chaknos, MD

Constantine Michael Chaknos, MD Physician

Assistant Professor of Clinical Medicine

Dr. Chaknos is a Penn Medicine employed physician.

Clinical Specialties


  • Renal Electrolyte and Hypertension

Programs & Centers:

Board Certification:

  • Internal Medicine, 2009
  • Nephrology, 2011

Clinical Expertise:

  • Chronic Kidney Diseases
  • Diabetic Kidney Diseases
  • Electrolyte Disorders
  • Glomerulonephritis (GN)
  • Kidney Failure
  • Kidney Stones
  • Nephrology Consultation

Description of Clinical Expertise

Home dialysis, including home hemodialysis and peritoneal dialysis.
Kidney Stones / Nephrolithiasis.
Chronic Kidney Disease and End Stage Renal Disease.

Practice Locations and Appointments

Insurance Accepted

  • Aetna US Healthcare
  • Cigna
  • Cigna HealthSpring
  • CVS Health
  • Devon Health Services (Americare)
  • Gateway Health Plan
  • Geisinger Health Plan
  • HealthAmerica / HealthAssurance, a Coventry Plan
  • HealthPartners
  • HealthPartners Medicare
  • HealthSmart
  • Highmark Blue Shield
  • Horizon Blue Cross Blue Shield of New Jersey
  • Humana / Choicecare
  • Independence Blue Cross (Keystone East)
  • Intergroup
  • Keystone First
  • Multiplan
  • NJ Medicaid
  • NJ Qualcare
  • Oxford Health Plan
  • PA Medicaid
  • PA Medicare
  • Preferred Health Care/LGH
  • Rail Road Medicare / Palmetto GBA
  • Remedy Partners at Penn Medicine
  • Tricare
  • United Healthcare
  • UnitedHealthcare Community Plan
  • US Family Health Plan

Education and Training

Medical School: Jefferson Medical College
Residency: Tufts - New England Medical Center
Fellowship: Hospital of the University of Pennsylvania


American College of Physicians, National American Society of Nephrology, National Renal Physicians Association, National

Hospital Affiliation

Dr. Chaknos is a Penn Medicine employed physician.

Hospital Privileges:

  • Hospital of the University of Pennsylvania: Has privileges to treat patients in the hospital.
  • Penn Presbyterian Medical Center: Has privileges to treat patients in the hospital.


Description of Research Expertise:

I have an interest in collaborative research that involves examining the intersection of health policy and kidney disease. I am actively involved in promoting and conducting quality improvement and patient safety initiatives within our division.

Selected Publications:

Knauf F, Chaknos CM, Berns JS, Perazella MA: Dabigatran and kidney disease: a bad combination Clin J Am Soc Nephrol 8 (9): 1591-7,2013.

Chaknos CM, Berns JB: Erythropoesis Stimulating Agents on Trial: Are Higher Dosages Causing Harm? American Journal of Kidney Diseases 61 (1): 6-8,2013.

Chaknos CM, Berns JS: Hypercalcemia CURRENT Essentials of Nephrology and Hypertension : 2012.

Chaknos CM, Berns JS: Initiating dialysis at the right time: Is the evidence IDEAL? Seminars in Dialysis 23 (6): 627-9,2010.

Academic Contact Info

Renal Division
3400 Spruce St
One Founders Pavilion

Philadelphia, PA 19104
Patient appointments: 800-789-PENN (7366)

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