Ricardo Calderon Ortiz

Media Releases

Get to know Nephrologist Dr. Ricardo M. Calderon Ortiz, who serves patients in Puerto Rico.

With a unique focus on the field of nephrology, Dr. Ortiz has dedicated training and unique experience in kidney care and the treatment of diseases of the kidneys. At present, he serves in various clinical roles in Puerto Rico, including: Medical Director of Atlantis Healthcare Group, Renal Center of Caguas; Medical Director of Atlantis Healthcare Group, Renal Center of Juncos; staff nephrologist at Fresenius Medical Care, Caguas Dialysis Clinic; staff nephrologist at Fresenius Medical Care, Humacao Dialysis Clinic; staff nephrologist at HIMA•San Pablo Caguas Hospital; staff nephrologist at Ryder Memorial Hospital; and staff nephrologist at Hospital Menonita de Caguas.

With an impressive academic background, Dr. Ortiz was educated at the Universidad Central del Caribe School of Medicine in Puerto Rico, where he obtained his medical degree. He furthered his training with an internship, residency, and fellowship at San Juan Veterans Affairs Medical Center.

Dedicated to preserving adult health, the doctor is board-certified in internal medicine & nephrology and hypertension by the American Board of Internal Medicine, which is a physician-led, non-profit, independent evaluation organization driven by doctors who want to achieve higher standards for better care in a rapidly changing world. 

In order to stay up to date on developments in his field, he maintains professional memberships with the American Society of Nephrology and the Puerto Rican Society of Nephrology and Hypertension. He attributes his successful career to working hard, being passionate about his field, and having always known that he wanted to become a doctor.

Nephrology is a specialty of medicine and pediatrics that concerns itself with the kidneys. It is the study of normal kidney function and kidney disease, the preservation of kidney health, and the treatment of kidney disease, from diet and medication to renal replacement therapy. Nephrologists have advanced training in treating kidney disease. They diagnose and treat kidney failure, as well as help patients by prescribing medications, offering special diet advice, and coordinating dialysis care when the time comes. 

Throughout his many years of experience, Dr. Ortiz has upheld a steadfast commitment to the ethical and professional standards of his practice, as evidenced by his sterling record. He has also conducted several publications, including ‘A Rare Case Of B- Cell Prolymphocytic Leukemia: A Case Report’ & ‘Life-Threatening Hyperkalemia in Chronic Kidney Disease Patients.’

Outside of practicing medicine, he enjoys boating. His favorite professional publication is the Journal of the American Society of Nephrology.

Recommended Articles

• Polydipsia: Excessive Thirst Causes and Symptoms

  What is polydipsia?Polydipsia is the medical term for excessive thirst. It is usually regarded as one of the initial symptoms of diabetes.It is normal to feel thirsty, especially after workouts and strenuous activities. It is quite important for people to drink the recommended amount of water per...

• The 3 Types of Urinary Tract Infections

  Urinary tract infections (UTIs) are common worldwide, among both men and women, and they can occur at all ages. However, women are more likely to develop urinary tract infections than men. A UTI is caused by a bacterial infection in the urinary tract. When bacteria enter the urinary tract, they are...

• Oliguria

  Oliguria is a medical term used when referring to a decreased urine output. Oliguria is considered when a person’s urine output is less than 400 mL in a 24-hour period. When it comes to infants, oliguria occurs when the urine output is less than 0.5 mL/kg/hr for 24 hours. Anuria is the absence...

• How Is Glomerulonephritis Diagnosed?

  GlomerulonephritisGlomerulonephritis is the inflammation of kidney filters called glomeruli. These filters are made up of tiny blood vessels that help remove excess fluids, waste from the bloodstream, and electrolytes. This condition can happen on its own or may occur as part of chronic diseases,...

• Everything You Need to Know About Lupus

  What is lupus?Lupus or systemic lupus erythematosus is an autoimmune disorder that may affect skin, kidneys, brain, and other organs. According to Lupus Foundation of America, about 1.5 million people in U.S. have lupus. This condition is seen more in women than in men....

• Vertigo: Causes, Symptoms, and Treatment

  Vertigo is a fairly common condition that causes an individual to feel as if their head is spinning and he or she becomes dizzy. It is usually temporary, only for a few seconds to minutes, occurring only when you make sudden head movements, but sometimes it can be so severe that it begins to...