Leama N. Ajaka, MD

Medicare activity in 2024

Official CMS public-use data for Leama N. Ajaka, 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. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)99 services
2. Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)56 services
3. Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes (99221)16 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%
• Arthritis65%
• Diabetes57%
• Anxiety56%
• Chronic kidney disease56%

Hospitals where Leama N. Ajaka works

Medicare's Facility Affiliation Data lists Leama N. Ajaka 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.

• Ohio State University State Health SystemColumbus, OH · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 360085

Practice locations

Addresses where Leama N. Ajaka is enrolled with Medicare (CMS data updated October 2, 2026).

• 1581 Dodd Dr, Rm 491Columbus, OH 43210 (614) 293‑3800

Group practices

Medicare enrollment lists Leama N. Ajaka as a member of this group (CMS data updated October 2, 2026).

• OSU Internal Medicine LLC1,161 clinicians in the group

Specialties

• Infectious Diseaseprimary

Find other Infectious Disease doctors in Ohio →

Other infectious disease doctors in Columbus

Clinicians with the same Medicare primary specialty in Columbus, OH — not a recommendation.

• Brandi R. Manning, DO
• Jeremy Young, MD
• David A. Wininger, MD
• Cole T. Bredehoeft, MD
• Cristina M. Tomatis Souverbielle
• Julie Mangino, MD
• Edwin Vargas Velandia, MD
• Samiksha Tarun, MD

All infectious disease doctors in Columbus →

Other clinicians in OSU Internal Medicine LLC

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

• Na Li, MD
• Dwight H. Owen, MD
• Derrick D. Herman, MD
• Ashley Rosko
• Crystal G. Chisler
• Derek D. Hem, 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