Quick answers
- Does Obioma Nwaiwu accept Medicare assignment?
- Yes. Medicare's clinician data says Obioma Nwaiwu accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Obioma Nwaiwu see?
- In 2024, CMS data shows 587 Original Medicare patients and 1,102 services for Obioma Nwaiwu. This counts Original Medicare only and measures volume, not quality.
- What is Obioma Nwaiwu's NPI number?
- 1649634601. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Obioma Nwaiwu, 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.
| Original Medicare patients | 587 |
|---|---|
| Services billed to Medicare | 1,102 |
| Different services or procedures | 37 |
| Participating Medicare provider | Yes |
| Average age of these patients | 78 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)452 services
- Telephone medical discussion with physician, 21-30 minutes (99443)91 services
- Emergency department visit with moderate level of medical decision making (99284)89 services
- Telephone medical discussion with physician, 11-20 minutes (99442)78 services
- Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)70 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%
- Arthritis58%
- Ischemic heart disease40%
- Diabetes37%
- Depression34%
Hospitals where Obioma Nwaiwu works
Medicare's Facility Affiliation Data lists Obioma Nwaiwu 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.
- Little River Memorial HospitalAshdown, AR · Critical Access Hospital · Emergency services: listed by Medicare · CCN 041320
- Southwest Arkansas Regional Medical Center LLCHope, AR · Critical Access Hospital · Emergency services: listed by Medicare · CCN 041335
- University of Arkansas Medical SciencesLittle Rock, AR · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 040016
Practice locations
Addresses where Obioma Nwaiwu is enrolled with Medicare (CMS data updated October 2, 2026).
- 4301 W Markam StLittle Rock, AR 72205 (501) 686‑8000
- 451 W Locke St, Little River Mem HospAshdown, AR 71822 (870) 898‑5011
Group practices
Medicare enrollment lists Obioma Nwaiwu as a member of these groups (CMS data updated October 2, 2026).
- University of Arkansas for Medical Sciences1,175 clinicians in the group
- Correct Care, Inc.95 clinicians in the group
Specialties
- Geriatric Medicineprimary
- Family Practicealso
Other geriatricians in Little Rock
Clinicians with the same Medicare primary specialty in Little Rock, AR — not a recommendation.
Other clinicians in University of Arkansas for Medical Sciences
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2005 (21 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1649634601 |
| Corrections | Report an error or suggest an update → |
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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians