Onachukwu G. Osaji, MD

Medicare activity in 2024

Official CMS public-use data for Onachukwu G. Osaji, 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)197 services
2. Insertion of needle into vein for collection of blood sample (36415)182 services
3. Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)123 services
4. Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count (85025)113 services
5. Blood test, comprehensive group of blood chemicals (80053)100 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 pressure71%
• High cholesterol67%
• Arthritis45%
• Diabetes33%
• Ischemic heart disease28%
• Anxiety19%

Hospitals where Onachukwu G. Osaji works

Medicare's Facility Affiliation Data lists Onachukwu G. Osaji 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.

• Carle Foundation HospitalUrbana, IL · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 140091

Practice locations

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

• 1001 Commercial DrMahomet, IL 61853 (217) 586‑6600

Group practices

Medicare enrollment lists Onachukwu G. Osaji as a member of this group (CMS data updated October 2, 2026).

• Christie Clinic, PLLC220 clinicians in the group

Specialties

• Family Practiceprimary

Find other Family Practice doctors in Illinois →

Other family doctors in Mahomet

Clinicians with the same Medicare primary specialty in Mahomet, IL — not a recommendation.

• David K. Webb, MD
• Spencer Threw, DO
• Faaria Salik, DO
• Nicole L. Arnold, DO
• Christine E. Henrichs, MD
• Linah K. Mairura, MD

All family doctors in Mahomet →

Other clinicians in Christie Clinic, PLLC

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

• David M. Anderson, DO
• Eric J. Farinas, MD
• Tangella V. Krishnarao, MD
• Mary Laird
• Andrew Bartlett, MD
• Hong H. Zhang, PA

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