Ogundu O. Ngwu, MD

Medicare activity in 2024

Official CMS public-use data for Ogundu O. Ngwu, 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. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)25 services
2. Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (93000)23 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 cholesterol65%
• Diabetes51%
• Chronic kidney disease51%
• Heart failure45%
• Atrial fibrillation37%

Hospitals where Ogundu O. Ngwu works

Medicare's Facility Affiliation Data lists Ogundu O. Ngwu 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.

• Holy Cross HospitalSilver Spring, MD · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: not listed by Medicare · CCN 210004
• MedStar Washington Hospital CenterWashington, DC · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 090011
• Virginia Hospital CenterArlington, VA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 490050

Practice locations

Addresses where Ogundu O. Ngwu is enrolled with Medicare (CMS data updated October 2, 2026).

• 110 Irving St NWWashington, DC 20010 (202) 877‑9875
• 1221 Mercantile LnLargo, MD 20774 (301) 618‑5700
• 6104 Old Branch AveTemple Hills, MD 20748 (301) 702‑6100
• 655 Watkins Mill RdGaithersburg, MD 20879 (240) 632‑4000

Group practices

Medicare enrollment lists Ogundu O. Ngwu as a member of this group (CMS data updated October 2, 2026).

• Kaiser Foundation Health Plan of the Mid Atlantic States, Inc1,899 clinicians in the group

Specialties

• Cardiovascular Disease (Cardiology)primary

Find other Cardiovascular Disease (Cardiology) doctors in District of Columbia →

Other cardiologists in Washington

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

• Syed Z. Qamer, MD
• Ricardo Nieves, MD
• Ian Barrows, MD
• Syed Hasan Raza Abidi, MD
• Fnu Isha, MD
• Carolina Valdiviezo Schlomp, MD
• Kushagra Sharma, DO
• Charles German, MD

All cardiologists in Washington →

Other clinicians in Kaiser Foundation Health Plan of the Mid Atlantic States, Inc

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

• Jeffrey Wright, DO
• Dhaval Mehta, MD
• Connie L. Liang, MD
• Jonathan C. McCauley, MD
• Adheesh A. Sabnis, MD
• Kashif Malik, MD

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