Browse Health
Internist, Oncology Specialist (cancer)
37 years of experience
Video profile
Accepting new patients
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).

Patient Reviews

Have you visited Dr. Ritter? Share your experience.
Write a Review

Specialties & Research

Dr. Howard Ritter, MD is board certified in Internal Medicine and Medical Oncology.

  • He has special expertise in 10 areas:
  • Adult T-Cell Leukemia-Lymphoma
  • Anemia
  • Cancer
  • Chronic B-Cell Lymphocytic Leukemia
  • Leukemia
  • Lymphoma
  • Multiple Myeloma (Cancer of Plasma Cells)
  • Myelodysplastic Syndromes
  • Myeloproliferative Disorders
  • Palliative Care

Education & Awards

Dr. Ritter graduated from Medical College of Ohio, Toledo.


Dr. Ritter has 19 hospital affiliations:

  • Toledo Hospital 
  • Karmanos Cancer Center 


  • English

> > > > Dr. Howard Ritter, MD

Similar doctors nearby

Dr. Moshir Jacob

Internal Medicine
27 years experience
Toledo, OH

Dr. Bassam Sarrouj

Internal Medicine
28 years experience
Toledo, OH

Dr. Ransford Brenya

Internal Medicine
9 years experience
Toledo, OH

Dr. Kesari Sarikonda

Internal Medicine
23 years experience
Toledo, OH

Dr. Abigail Smukler

Internal Medicine
14 years experience
Toledo, OH

Dr. Ian Elliot

Internal Medicine
33 years experience
Toledo, OH
Search All Similar Doctors
Additional Information
Dr. Howard Lester Ritter MD is a male Internist, has 37 years of experience and practices in Internal Medicine and Medical Oncology.
Where does Dr. Howard L. Ritter practice?
Dr. Howard Ritter has 8 office locations.
Dr. Howard Ritter practices Internal Medicine and Medical Oncology near Toledo, OH.
Additional practice locations include: Maumee, OH and Fostoria, OH.
See Toledo Internists and Toledo Oncologists.