Physician Profile
Unclaimed ProfileAbout KNOX
Robert J Knox, M.D. practises ophthalmology in Portsmouth, OH. Robert is a 2000 graduate of University of Missouri, Columbia School of Medicine.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Common questions
What is Dr. Knox's specialty?
Dr. Knox is an ophthalmology in Portsmouth, OH. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “OPHTHALMOLOGY”.
NPI registry
Where can I find Dr. Knox?
Dr. Knox is listed at 1534 11TH ST, Portsmouth, OH 45662. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Knox?
The number on file is (740) 355-1161. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Knox?
Dr. Knox's National Provider Identifier is 1790782035. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
What is Dr. Knox's medical education?
Dr. Knox attended University of Missouri, Columbia School of Medicine, graduating in 2000. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Knox have?
Dr. Knox has 26 years experience. Calculated from a graduation year of 2000, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Knox known for?
According to Medicare billing data, Dr. Knox performs procedures including removal of cataract with insertion of prosthetic lens, injection of drug into eye and release of nerve using operating microscope; provides treatments such as imaging of retina and measurement of corneal curvature and depth of eye, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Knox's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Knox. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (740) 355-1161
- Email not available
Practice Locations
1534 11TH ST
Portsmouth, OH 45662
Procedures Most Often Billed to Medicare
2,038 services · 1,463 patients · 23 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Removal of cataract with insertion of prosthetic lens | Procedure | 66984 |
142 |
| Injection of drug into eye | Procedure | 67028 |
75 |
| Release of nerve using operating microscope | Procedure | 64727 |
62 |
| Release of arm or leg nerve | Procedure | 64708 |
62 |
| Removal of recurring cataract in lens capsule using a laser | Procedure | 66821 |
39 |
| Removal of eyelashes using forceps | Procedure | 67820 |
28 |
| Complex removal of cataract with insertion of prosthetic lens | Procedure | 66982 |
19 |
| Imaging of retina | Treatment | 92134 |
191 |
| Measurement of corneal curvature and depth of eye | Treatment | 92136 |
168 |
| Photography of the retina | Treatment | 92250 |
105 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other ophthalmology specialists at this location 1
Same specialty, same street address — most likely the same department or group.
Also at this address 3
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 24 related providers in 3 groups
Trained at University of Missouri, Columbia School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 2000 at University of Missouri, Columbia School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Removal of cataract with insertion of prosthetic lens 8
Providers in OH who bill this service to Medicare most often.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.