4.7
10 Ratings with 1 written Review
Summary
Dr. James Knowles treats cataracts, posterior capsule opacity, and drooping eyelids, and performs cataract surgery, intraocular lens implants, and YAG laser capsulotomy. He practices ophthalmology and preventive medicine in Dayton, Ohio, and has 42 years of experience. He is affiliated with Kettering Health Main Campus.
Dr. Knowles earned his medical degree from Mayo Clinic Alix School of Medicine and completed his residency at Wilford Hall Medical Center. He speaks English and Spanish. Patients on Vitals rate Dr. Knowles 4.7 out of 5.
Dr. Knowles earned his medical degree from Mayo Clinic Alix School of Medicine and completed his residency at Wilford Hall Medical Center. He speaks English and Spanish. Patients on Vitals rate Dr. Knowles 4.7 out of 5.
Overview based on verified provider data
Quick Facts
- accepting new patients
- 42 years of experience
- 37 insurance plans accepted
- speaks English, Spanish
- Wilford Hall Medical Center
- 1 written review
- 2 specialties
- 11 areas of expertise
- 1 hospital affiliation
- 2 office locations
- Male
Patients’ Perspective
- Gave an accurate diagnosis
- Had a good bedside manner
- Spent time with me
Based on patient feedback. Read the reviews
Office Locations
Dr. James Roy Knowles has 2 locationsStahl Vision Inc
4235 Indian Ripple Rd Ste 100Dayton, OH 45440 Tel: (937) 643-2020
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 Tel: (937) 427-7800
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
Compare with Similar Doctors
 |  | |  |
| Dr. James Roy Knowles, MD | Dr. Jeffrey Bloom, DO | Dr. Arpan Rajendra Kothari, DO | Dr. Erin Veronica Newsome |
| Ophthalmology | Ophthalmology | Emergency Medicine | Preventive Medicine |
| Accepts New Patients | Accepts New Patients | ||
| 42 Years of Experience | 7 Years of Experience | 15 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 English | |
| Dayton , OH | Centerville , OH | Fort Bliss , TX | Troy , OH |
| Med School: Mayo Clinic Alix School Of Medicine | Med School: Alabama College Of Osteopathic Medicine | Med School: Lake Erie College Of Osteopathic Medicine | |
Current Profile | View Profile | View Profile | View Profile |
Insurance Plans Accepted by Dr. James Roy Knowles
Medical Specialties
Dr. James Roy Knowles has the following 2 specialties
Specialty Expertise
Dr. James Roy Knowles has the following 11 areas of expertise
Certifications, License, & Education
42 Years Experience
Dr. James Roy Knowles holds an expired medical license in the state of Ohio.
Medical License
Medical Doctor with an expired medical license in the state of Ohio that expired 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.
Similar doctors
Frequently Asked Questions
- 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.
- What languages does Dr. James Knowles speak?
- Dr. James Knowles speaks English and Spanish.
- Which hospitals is Dr. James Knowles affiliated with?
- Dr. James Knowles is affiliated with Kettering Health Main Campus.
- 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.
Data Sources
This provider profile is built using data from:
- NPPES NPI Registry
- State medical licensing boards
- Healthcare system and provider network data
Ensuring Data Transparency and Trust: A Guide to Vitals Doctor Listings and Reviews
Our provider data is gathered directly from physicians and publicly available databases. Providers who verify their profiles gain the ability to update information, offering additional details about their specialties,education, treated conditions, performed procedures, and accepted insurances.
Reviews on Vitals are submitted by users only. Recognizing the valuable insights these reviews offer into a doctor's reputation, we maintain internal policies and protocols to ensure the quality and accuracy of all reviews. Importantly, providers cannot delete or alter reviews independently. Reviews can only be deleted or changed following an internal assessment by our customer service team.
Your feedback is highly valued and we encourage you to contact our support team should you encounter any issues.
