Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

James Roy Knowles, MD

Individual provider Ophthalmology Physician · NPI 1053306001

James Roy Knowles, MD is an Ophthalmology in Beavercreek, Ohio. Graduated from Mayo Medical School in 1984, 42 years ago. Practices with Stahl Vision Inc, a 4-clinician group and accepts Medicare assignment. Licensed in Ohio and Tennessee.

Years since qualifying
42
Trained at
Mayo Medical School
Licensed in
OH, TN
In the registry since
2005
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

4235 Indian Ripple Rd Ste 100
Beavercreek, OH 45440-3247
Phone: (937) 427-2020
Fax: (937) 429-1144
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Ophthalmology Physician (primary) Taxonomy 207W00000X · Licence 35-08-5811-K (OH)
Ophthalmology Physician Taxonomy 207W00000X · Licence 42080 (TN)

Record details

NPI number1053306001
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedSeptember 15, 2005
Last updated in NPPESFebruary 8, 2008
Mailing address4235 Indian Ripple Rd, Ste 100, Beavercreek, OH 45440-3247

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyOPHTHALMOLOGY
Medical schoolMAYO MEDICAL SCHOOL
Graduated 1984 (42 years in practice)
Group practice Stahl Vision Inc — 4 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Beavercreek