Rolando Monteverde Diaz, MD

Medicare activity in 2024

Official CMS public-use data for Rolando Monteverde Diaz, 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. Critical care, first 30-74 minutes (99291)295 services
2. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)267 services
3. Hospital discharge day management, more than 30 minutes (99239)73 services
4. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)18 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%
• Diabetes66%
• Chronic kidney disease59%
• Arthritis55%
• Ischemic heart disease55%

Hospitals where Rolando Monteverde Diaz works

Medicare's Facility Affiliation Data lists Rolando Monteverde Diaz 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.

• MedStar Southern Maryland Hospital CenterClinton, MD · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 210062
• MedStar Washington Hospital CenterWashington, DC · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 090011

Practice locations

Addresses where Rolando Monteverde Diaz is enrolled with Medicare (CMS data updated October 2, 2026).

• 1145 19th St NW, 311 Mmg at 19th Street NWWashington, DC 20036 (202) 429‑2401
• 7503 Surratts RdClinton, MD 20735 (301) 868‑8000

Group practices

Medicare enrollment lists Rolando Monteverde Diaz as a member of this group (CMS data updated October 2, 2026).

• MedStar Medical Group II LLC3,767 clinicians in the group

Specialties

• Internal Medicineprimary

Find other Internal Medicine doctors in District of Columbia →

Other internal medicine doctors in Washington

Clinicians with the same Medicare primary specialty in Washington, DC — not a recommendation.

• Facika Tafara, MD
• Sarah Alsamarai, MD
• Julia Borniva, MD
• Sami Droubi, MD
• Arathy S. Vamadevan, MD
• Lini Edwin, MD
• Naveed Choudry, MD
• Grace Hunt, MD

All internal medicine doctors in Washington →

Other clinicians in MedStar Medical Group II LLC

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

• Sean M. Curtin, MD
• Clint S. Pettit, MD
• Facika Tafara, MD
• Sankaravadivu Sivasailam, MD
• Avishkar Sabharwal, MD
• Michael O. Imomoh, CNA

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