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Constantine Michael Chaknos, MD

Constantine Michael Chaknos, MD Physician

Assistant Professor of Clinical Medicine

Dr. Chaknos is employed by Penn Medicine.

Patient Satisfaction Ratings

Patient Rating Breakdown

The Patient Satisfaction Rating is an average of all responses to the care provider related questions shown below from our nationally-recognized Press Ganey Patient Satisfaction Survey. Patients that are treated in outpatient or hospital environments may receive different surveys, and the volume of responses will vary by question.

Responses are measured on a scale of 1 to 5 with 5 being the best score.

The comments are submitted by patients and reflect their views and opinions. The comments are not endorsed by and do not necessarily reflect the views of Penn Medicine.

Overall Ratings

Patient Comments

Clinical Specialties


  • Renal Electrolyte and Hypertension

Programs & Centers:

Board Certification:

  • Internal Medicine, 2009
  • Nephrology, 2011

Clinical Expertise:

  • Chronic Kidney Diseases (CKD)
  • Diabetic Kidney Diseases
  • Electrolyte Disorders
  • Glomerulonephritis (GN)
  • Kidney Failure
  • Kidney Stones (Nephrolithiasis)
  • 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
  • Amerihealth Caritas
  • Amerihealth Caritas Medicare
  • Cigna
  • Cigna HealthSpring
  • Clover Health Plan
  • 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
  • Keystone First Medicare
  • Multiplan
  • NJ Medicaid
  • NJ Qualcare
  • Oxford Health Plan
  • PA Health and Wellness (Centene) Medicare
  • 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 employed by Penn Medicine.

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:

Seshasai RK, Mitra N, Chaknos CM, Li J, Wirtalla C, Negoianu D, Glickman JD, Dember LM: Factors Associated With Discontinuation of Home Hemodialysis American Journal of Kidney Disease 67 (4): 629-37,2016.

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: 800-789-7366 (PENN)