Quick answers
- Does Onyeka P. Ojinna accept Medicare assignment?
- Yes. Medicare's clinician data says Onyeka P. Ojinna 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 Onyeka P. Ojinna see?
- In 2024, CMS data shows 382 Original Medicare patients and 538 services for Onyeka P. Ojinna. This counts Original Medicare only and measures volume, not quality.
- What is Onyeka P. Ojinna's NPI number?
- 1639553621. 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 Onyeka P. Ojinna, 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 | 382 |
|---|---|
| Services billed to Medicare | 538 |
| Different services or procedures | 7 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)206 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)119 services
- Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)104 services
- Hospital discharge day management, more than 30 minutes (99239)73 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)32 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%
- Chronic kidney disease58%
- Arthritis52%
- Ischemic heart disease52%
- Diabetes51%
Hospitals where Onyeka P. Ojinna works
Medicare's Facility Affiliation Data lists Onyeka P. Ojinna 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.
- Atrium Health Navicent the Medical CenterMacon, GA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 110107
- Corning HospitalCorning, NY · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 330277
- Emory Houston Hospital Warner RobinsWarner Robins, GA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 110069
- Memorial Health Meadows HospitalVidalia, GA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 110128
- Navicent Health BaldwinMilledgeville, GA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 110150
Practice locations
Addresses where Onyeka P. Ojinna is enrolled with Medicare (CMS data updated October 2, 2026).
- 1 Meadows PkwyVidalia, GA 30474 (912) 535‑5555
- 1170 Cleveland AveEast Point, GA 30344 (404) 466‑1170
- 134 Homer AveCortland, NY 13045 (607) 756‑3500
- 777 Hemlock StMacon, GA 31201 (478) 633‑7444
- 821 N Cobb StMilledgeville, GA 31061 (478) 633‑7550
Group practices
Medicare enrollment lists Onyeka P. Ojinna as a member of these groups (CMS data updated October 2, 2026).
- Guthrie Medical Group PC795 clinicians in the group
- Cogent Healthcare of Georgia PC249 clinicians in the group
- Hospital Medicine Services of Ga LLC101 clinicians in the group
- Cogent Healthcare of Macon, LLC79 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Vidalia
Clinicians with the same Medicare primary specialty in Vidalia, GA — not a recommendation.
Other clinicians in Guthrie Medical Group PC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2010 (16 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1639553621 |
| 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