> > > > Dr. Olusegun Ogunlesi, MD
Dr. Olusegun Ogunlesi MD is a male Internist, has 13 years of experience and practices in Internal Medicine and Infectious Disease.
Dr. Olusegun Ogunlesi has 6 office locations.
2420 Lake Ave
Ashtabula, OH 44004

Phone Number
Locations and availability (6)
License & Identifications

A medical license is required for a doctor to practice medicine in a particular state. Requirements vary by state but most require, at a minimum, post-graduate training in the doctor’s specific specialty. An NPI number is a national identifier unique to an individual health care provider and is managed by the Center for Medicare & Medicaid Services (CMS).

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Specialties & Research

Dr. Olusegun Ogunlesi, MD is board certified in Internal Medicine and Infectious Disease.

  • He has special expertise in 4 areas:
  • AIDS/HIV (Acquired Immunodeficiency Syndrome)
  • Colitis
  • Infectious Disease
  • Tuberculosis

Education & Awards

Dr. Ogunlesi graduated from University of Iowa, Iowa City.


Dr. Ogunlesi has 14 hospital affiliations:

  • University Hospitals Geneva Medical Center 
  • Uh Richmond Medical Center 

Accepted Insurance Plans

Dr. Ogunlesi accepts these health insurances in at least one office:

  • Humana - 2 plans
  • Cigna - 4 plans
  • CareSource - 3 plans
  • SummaCare Health Plan - 7 plans
  • Ohio Medicaid - 1 plan


  • Yiddish
  • Yoruba

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Additional Information
Where does Dr. Olusegun Ogunlesi practice?
Dr. Olusegun Ogunlesi practices Internal Medicine and Infectious Disease near Ashtabula, OH.
Additional practice locations include: Willoughby, OH and Mentor, OH.
See Ashtabula Internists and Ashtabula Infectious Disease Doctors.