James Knowles, M.D.
NPI 1053306001 · Ophthalmology Physician · Beavercreek, OH
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
James Knowles, M.D. is a Ophthalmology Physician provider in Beavercreek, OH (NPI 1053306001).
Provider details
- NPI number
- 1053306001
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 35-08-5811-K (OH)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
2,143 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Complete Exam of Visual System92014 | 498 | $111 |
| Measurement of Corneal Curvature and Depth of Eye92136 | 357 | $35 |
| Removal of Cataract With Insertion of Prosthetic Lens66984 | 301 | $475 |
| Exam of Visual Field With Extended Testing92083 | 228 | $55 |
| New Patient Complete Exam of Visual System92004 | 215 | $133 |
| Imaging of Optic Nerve92133 | 180 | $31 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 15 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Ketorolac Tromethamine | 447 | 346 |
| Prednisolone Acetate | 428 | 335 |
| Moxifloxacin Hclbrand: Moxifloxacin | 344 | 271 |
| Latanoprost | 337 | 107 |
| Brimonidine Tartrate | 146 | 45 |
| Gatifloxacin | 73 | 62 |
| Dorzolamide Hcl | 40 | — |
| Timolol Maleate | 40 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$16 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-09-15
- Last updated
- 2008-02-08
Frequently asked questions
- What is James Knowles's NPI number?
- James Knowles's National Provider Identifier (NPI) is 1053306001, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James Knowles's specialty?
- James Knowles is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is James Knowles located?
- James Knowles's practice location on file with NPPES is 4235 Indian Ripple Rd, Beavercreek, OH 45440-3247.
- What is James Knowles's phone number?
- The practice phone number listed in the NPPES registry for James Knowles is (937) 427-2020.
- Does James Knowles accept Medicare?
- James Knowles is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is James Knowles's NPI active?
- Yes — James Knowles's NPI (1053306001) is active in the NPPES registry as of the last update on 2008-02-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.