Summary

Dr. James Knowles is an ophthalmologist who also specializes in preventative medicine, bringing over four decades of medical expertise to his practice. He earned his medical degree from Mayo Clinic Alix School of Medicine and completed his residency training at Wilford Hall Medical Center. With 42 years of experience in eye care, Dr. Knowles has developed extensive knowledge in diagnosing and treating various vision conditions. He is fluent in both English and Spanish, allowing him to serve a diverse patient population.

Dr. Knowles practices in Dayton, Ohio, and maintains an affiliation with Kettering Health Main Campus. He focuses on treating common eye conditions including cataracts, glaucoma, and posterior capsule opacity. His expertise extends to performing comprehensive eye exams, cataract surgery, and intraocular lens implant procedures. Patients consistently rate their experience with Dr. Knowles highly, giving him an average rating of 4.7 out of 5 stars.

Overview based on verified provider data

Quick Facts

  • accepting new patients
  • 4.7
  • 42 years of experience
  • 37 insurance plans accepted
  • speaks English, Spanish
  • Wilford Hall Medical Center
  • 1 written review
  • 2 specialties
  • 11 areas of expertise
  • 2 board certifications
  • 1 hospital affiliation
  • 2 office locations
  • Male

Patients’ Perspective

  • Gave an accurate diagnosis
  • Had a good bedside manner
  • Spent time with me

Office Locations

Dr. James Roy Knowles has 2 locations

Stahl Vision Inc

4235 Indian Ripple Rd Ste 100Dayton, OH 45440
Mon9:00 am - 5:00 pm
Tue9:00 am - 5:00 pm
Wed9:00 am - 5:00 pm
Thu9:00 am - 5:00 pm
Fri8:00 am - 12:30 pm
SatClosed
SunClosed

Eye Laser And Surgery Center

4235 INDIAN RIPPLE RD STE 110DAYTON, OH 45440
Mon9:00 am - 5:00 pm
Tue6:30 am - 4:00 pm
Wed9:00 am - 5:00 pm
Thu6:30 am - 4:00 pm
Fri9:00 am - 5:00 pm
SatClosed
SunClosed

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Dr. James Roy Knowles, MDDr. Jeffrey Bloom, DODr. Ben Lucas OnninkDr. John Andrew Fleishman, MD
OphthalmologyOphthalmologyPreventative MedicineOphthalmology
Accepts New Patients Accepts New Patients Accepts New Patients
4.7 
4.4 
42 Years of Experience 7 Years of Experience 7 Years of Experience 45 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Speaks English, Spanish Speaks English, Spanish Speaks Spanish, English
Dayton , OHCenterville , OHFairborn , OHDayton , OH
Med School: Mayo Clinic Alix School Of Medicine Med School: Alabama College Of Osteopathic Medicine Med School: University Of South Carolina School Of Medicine Greenville Med School: Case Western Reserve University School Of Medicine
Current Profile
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Insurance Plans Accepted by Dr. James Roy Knowles

  • Accepts Medicare
  • Accepts Medicaid
  • AARP
  • Aetna
  • Ambetter
  • Ambetter - Medicaid (Managed)
  • Anthem Blue Cross
  • Anthem Blue Cross - HMO
  • Blue Cross Blue Shield
  • Blue Cross Blue Shield - Medicaid
  • Blue Cross Blue Shield - Medicaid (Managed)
  • Buckeye Health Plan
  • Buckeye Health Plan - Medicaid (Managed)
  • Buckeye Health Plan - Medicare
  • CareSource
  • CareSource - Medicaid (Managed)
  • CHAMPVA - HMO
  • Cigna
  • Contra Costa Health Plan
  • Devoted Health
  • GEHA
  • Golden Rule
  • Humana
  • Humana - Medicaid (Managed)
  • Humana - Medicare
  • Medical Mutual
  • Medicare
  • Medicare - Medicare
  • MediGold
  • Meritain Health
  • Molina Healthcare
  • Molina Healthcare - Medicaid (Managed)
  • Ohio Health Choice
  • Optum Health
  • OSU Health Plan
  • Palmetto GBA
  • Physicians Mutual
  • Tricare
  • UnitedHealthcare

Medical Specialties

Dr. James Roy Knowles has the following 2 specialties

Specialty Expertise

Dr. James Roy Knowles has the following 11 areas of expertise

  • Blindness
  • Cataract
  • Diabetic Retinopathy
  • Eye Exam
  • Eye Pain
  • Glaucoma
  • Lasik Surgery
  • Lens Implants (Intraocular Lens Implantation)
  • Macular Degeneration
  • Preventative Medicine
  • Vision Issues

Certifications, License, & Education

42 Years Experience

Dr. James Roy Knowles holds an active medical license in the state of Ohio.

Medical License

Medical Doctor with an active medical license in the state of Ohio that expires in 2026.

Education & Training

Residency

Completed their residency at Wilford Hall Medical Center.

Medical School

Graduated from Mayo Clinic Alix School Of Medicine in 1984.

NPI Number

Dr. Knowles' NPI number is 1053306001.

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Frequently Asked Questions

What languages does Dr. James Knowles speak?
Dr. James Knowles speaks English and Spanish.
Where is Dr. James Knowles's office located?
Dr. James Knowles's office is located at 4235 Indian Ripple Rd Ste 100, Dayton, OH, 45440.
Is Dr. James Knowles accepting new patients?
Dr. James Knowles is accepting new patients on Vitals. View Dr. James Knowles's profile on Vitals to make an appointment.
How can I make an appointment with Dr. James Knowles?
You can find contact information for Dr. James Knowles here on Vitals.
Does Dr. James Knowles accept virtual/telehealth appointments?
Dr. James Knowles has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.

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