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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).

Learn more about Dr. Dennis Assenmacher:

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Specialties & Research

Dr. Dennis Assenmacher, MD is board certified in Orthopaedic Surgery.

  • He has special expertise in 7 areas:
  • Arthroscopic Surgery (Arthroscopy)
  • Hip Osteoarthritis
  • Hip Surgery (Hip Replacement Arthroplasty)
  • Knee Osteoarthritis
  • Knee Surgery (Knee Replacement Arthroplasty)
  • Osteoarthritis (Hand and Wrist)
  • Sports Medicine

Education & Awards

Dr. Assenmacher graduated from University of Michigan Medical School, Ann Arbor.


Dr. Assenmacher has 10 hospital affiliations:

  • Toledo Hospital 
  • Bay Park Community Hospital 


  • English
  • German

> > > > Dr. Dennis Assenmacher, MD

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Additional Information
Dr. Dennis R Assenmacher MD is a male Orthopaedic Surgeon, has 43 years of experience and practices in Orthopaedic Surgery.
Where does Dr. Dennis R. Assenmacher practice?
Dr. Dennis Assenmacher has 1 office location.
Dr. Dennis Assenmacher practices Orthopaedic Surgery near Oregon, OH.
See Oregon Orthopedic Surgeons.