Dr. Knowles graduated from the Ohio State University College Of Medicine in 1977. Dr. Knowles works in Lima, OH and specializes in General Dentistry and Oral & Maxillofacial Surgery. Dr. Knowles is affiliated with St Rita's Medical Center.


Years Experience: 42

Dr. Knowles's Education & Training

Dental School
Ohio State University College Of Medicine; Graduated 1977


  • Overall Rating

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    Explains conditions & treatments

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    Takes time to answer my questions

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    Provides follow-up as needed

Dr. Knowles's Office Information & Appointments


Donald L Knowles DDS

1235 W Market St
Lima, OH 45805

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Tel: (419) 222-1188

Fax: (419) 228-4305

Practice Website: Not Available

Accepting New Patients: No

Medicare Accepted: No

Medicaid Accepted: No

M 8:00 AM - 5:00 PM
T 8:00 AM - 5:00 PM
W 8:00 AM - 5:00 PM
T 8:00 AM - 5:00 PM
F 8:00 AM - 5:00 PM
S Closed
S Closed

Other Dentists in Dr. Knowles's Practice

  • Not Available

Hospital Affiliations