| Localidad | Dirección | Teléfono | Fax |
| Toa Baja | A LA ORDEN SHOPPING CENTER AVE COMERIO #600 BO SABANA SECA, SEGUNDO PISO TOA BAJA, PR 00949-2821 | 787-710-2532 (Ext: 8201) | 787-784-2170 |
| Juncos | Juncos Plaza Shopping Center Carr #31 Km 24.1 Barrio Ceiba Norte Juncos, PR 00777-3872 | 787-710-2532 (Ext: 8401) |
- Caribbean Healthcare System, Nephrology & Hypertension Subspecialty
- Caribbean Healthcare System, Internal Medicine Specialty
- Board Certified Nephrology and Hypertension
- Board Certified Internal Medicine
- Fellow of the Year VA Caribbean Healthcare System
- Medical Director Atlantis Healthcare Group, Renal Center of Caguas
- Medical Director Atlantis Healthcare Group, Renal Center of Juncos
- Fresrmius Medical Care, Staff Nephrologist, Caguas Dialysis Clinic
- Fresrmius Medical Care, Staff Nephrologist, Humacao Dialysis Clinic
- Staff Nephrologist, HIMA San Pablo, Caguas Hospital
- Staff Nephrologist, Ryder Memorial Hospital
- Staff Nephrologist, Hospital Menonita de Caguas
- A Rare Case Of B- Cell Prolymphocytic Leukemia: A Case Report Ricardo Calderon Ortiz MD, Alexis Cruz, Lemuel Martinez MD, William Caceres Perkins, MD, FACP
- Life Threatening Hyperkalemia in Chronic Kidney Disease Patients
| Localidad | Dirección | Teléfono | Fax |
| Toa Baja | A LA ORDEN SHOPPING CENTER AVE COMERIO #600 BO SABANA SECA, SEGUNDO PISO TOA BAJA, PR 00949-2821 | 787-710-2532 (Ext: 8201) | 787-784-2170 |
| Juncos | Juncos Plaza Shopping Center Carr #31 Km 24.1 Barrio Ceiba Norte Juncos, PR 00777-3872 | 787-710-2532 (Ext: 8401) |
