Onyinyechukwu Nwankwo, MD

Medicare activity in 2024

Official CMS public-use data for Onyinyechukwu Nwankwo, 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 low level od decision making, if using time, 20 minutes or more (99213)18 services
2. New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)12 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 cholesterol68%
• Arthritis57%
• Diabetes47%
• Depression36%
• Alzheimer's disease or dementia34%

Hospitals where Onyinyechukwu Nwankwo works

Medicare's Facility Affiliation Data lists Onyinyechukwu Nwankwo 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.

• Howard University Hospital CorpWashington, DC · Acute Care Hospital · Medicare rating: 1 of 5 stars · Emergency services: not listed by Medicare · CCN 090003
• UPMC WilliamsportWilliamsport, PA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 390045

Practice locations

Addresses where Onyinyechukwu Nwankwo is enrolled with Medicare (CMS data updated October 2, 2026).

• 1705 Warren Ave, 101 103 Susquehanna Health OrthopedicsWilliamsport, PA 17701 (570) 321‑2020
• 2041 Georgia NW AveWashington, DC 20060 (202) 865‑6679

Group practices

Medicare enrollment lists Onyinyechukwu Nwankwo as a member of these groups (CMS data updated October 2, 2026).

• Susquehanna Physician Services612 clinicians in the group
• Howard University181 clinicians in the group

Specialties

• Orthopedic Surgeryprimary

Find other Orthopedic Surgery doctors in Pennsylvania →

Other orthopedic surgeons in Williamsport

Clinicians with the same Medicare primary specialty in Williamsport, PA — not a recommendation.

• Steven A. Caruso, MD
• John Bailey Jr., MD
• Ronald Campbell, MD
• John M. Kunkel, DO
• Jesse T. Torbert, MD
• Kyle J. Hubler, DO
• Ronald E. Disimone, MD
• Dirk W. Kiner, MD

All orthopedic surgeons in Williamsport →

Other clinicians in Susquehanna Physician Services

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

• Rupal Bandi, MD
• Hani Alkhatib, MD
• Jeremy R. Steffine, NP
• Katie A. Petersen, NP
• Curran S. Perry, MD
• Michael C. Gerst, DO

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