Melissa M. Ruiz Rodriguez, MD

Medicare activity in 2024

Official CMS public-use data for Melissa M. Ruiz Rodriguez, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Most frequent services

1. Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (93000)45 services
2. New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)45 services
3. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)38 services
4. Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (93306)31 services
5. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)21 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

• High blood pressure75%
• High cholesterol75%
• Arthritis51%
• Ischemic heart disease46%
• Diabetes44%
• Osteoporosis34%

Hospitals where Melissa M. Ruiz Rodriguez works

Medicare's Facility Affiliation Data lists Melissa M. Ruiz Rodriguez at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

• Centro Cardiovascular de Puerto Rico y el CaribeSan Juan, PR · Acute Care Hospital · Emergency services: listed by Medicare · CCN 400124

Practice locations

Addresses where Melissa M. Ruiz Rodriguez is enrolled with Medicare (CMS data updated October 2, 2026).

• 576 Calle Cesar Gonzalez, Suite 305San Juan, PR 00918

Specialties

• Cardiovascular Disease (Cardiology)primary
• Internal Medicinealso

Find other Cardiovascular Disease (Cardiology) doctors in Puerto Rico →

Other cardiologists in San Juan

Clinicians with the same Medicare primary specialty in San Juan, PR — not a recommendation.

• Robert A. Gonzalez Fernandez, MD
• Francisco J. Diaz, MD
• Jose A. Rodriguez Escudero, MD
• Manuel Areces Pernas, MD
• Porfirio E. Diaz, MD
• Eduardo J. Viruet, MD
• Jose M Suarez
• Francisco J. Lefebre Llavona, MD

All cardiologists in San Juan →

Clinician information

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
6. Medicare Care Compare — official Medicare tool to look up clinicians