Chike G. Onwuka, MD

Medicare activity in 2024

Official CMS public-use data for Chike G. Onwuka, 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)1,874 services
2. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)1,594 services
3. Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)529 services
4. Administration of influenza virus vaccine (G0008)148 services
5. Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (93000)122 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%
• Arthritis52%
• Diabetes49%
• Chronic kidney disease47%
• Ischemic heart disease26%

Hospitals where Chike G. Onwuka works

Medicare's Facility Affiliation Data lists Chike G. Onwuka 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 Georgetown University HospitalWashington, DC · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 090004
• MedStar Southern Maryland Hospital CenterClinton, MD · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 210062

Practice locations

Addresses where Chike G. Onwuka is enrolled with Medicare (CMS data updated October 2, 2026).

• 6410 Rockledge DrBethesda, MD 20817
• 6410 Rockledge Dr, Suite 600Bethesda, MD 20817
• 9000 Woody TerClinton, MD 20735 (301) 868‑2555

Group practices

Medicare enrollment lists Chike G. Onwuka as a member of these groups (CMS data updated October 2, 2026).

• Suburban/Nrh Medical Rehabilitation Inc941 clinicians in the group
• G Medicine LLC3 clinicians in the group

Specialties

• Internal Medicineprimary

Find other Internal Medicine doctors in Maryland →

Other internal medicine doctors in Bethesda

Clinicians with the same Medicare primary specialty in Bethesda, MD — not a recommendation.

• Oleg B. Shpak, MD
• Joseph H. Avery Iii, MD
• James H. Brodsky, MD
• Ashley Kinder, MD
• Melinda J. Wolf, MD
• Gretchen S. Dickinson, MD
• Sue D. Kanter, MD
• Ava A. Kaufman, MD

All internal medicine doctors in Bethesda →

Other clinicians in Suburban/Nrh Medical Rehabilitation Inc

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

• Fisehatsion G. Mehari, MD
• Bradley Gelfand, MD
• Philip D. Bobrow, MD
• Elizabeth Colantonio, PA
• Victoria Barg, MD
• Oleg B. Shpak, 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