Ophthalmology · Rogers, AR
NPI
1790172666
Since 2015
Specialty
Ophthalmology
Code 207W00000X
Group practices
5
Medicare group memberships
Hospitals
3
Hospital affiliations
3737 W Walnut St
Rogers, AR, 72756
Phone (479) 246-1700
Groups this clinician bills Medicare through
Medicare paid, 2024
$210K
2,241 services
Medicare patients, 2024
774
Average age 75
Drug cost, 2024
$449K
8,117 prescriptions
Company payments, 2025
$592
From 7 companies
Procedures and visits billed to Original Medicare, 2024
In 2024, the most common Medicare service billed by Robert H Knox was code 99214 (office e&m - established), 837 times for 584 patients. In total Robert H Knox billed 2,241 services in 31 codes, and Medicare paid $210K.
| Code |
|---|
Official US government data: the national provider registry and Medicare enrollment records, linked by NPI. Last update of this record: 2026-07-10.
| Setting |
|---|
| Services |
|---|
| Patients |
|---|
| Paid per service |
|---|
| Medicare paid |
|---|
| 99214 Office E&M - Established | Office | 837 | 584 | $75.87 | $64K |
| 92133 Computerized Ophthalmic Imaging | Office | 268 | 263 | $21.37 | $5,727 |
| 92083 Vision, Hearing, and Speech Services | Office | 206 | 202 | $37.47 | $7,719 |
| 66984 Cataract Surgery | Facility | 180 | 112 | $345.11 | $62K |
| 99204 Office E&M - New | Office | 163 | 163 | $98.33 | $16K |
| 92134 Computerized Ophthalmic Imaging | Office | 123 | 109 | $23.95 | $2,946 |
| 92136 Ultrasound - Nonspecific | Office | 117 | 117 | $29.46 | $3,447 |
| 92136 Ultrasound - Nonspecific | Facility | 79 | 79 | $21.96 | $1,735 |
| 92020 Ophthalmological E&M | Office | 58 | 55 | $17.32 | $1,005 |
| 76514 Ultrasound - Nonspecific | Office | 48 | 48 | $6.99 | $335 |
| 99213 Office E&M - Established | Office | 37 | 35 | $56.41 | $2,087 |
| 66821 Cataract Surgery | Facility | 16 | 16 | $248.93 | $3,983 |
| 66180 Fluid Flow and Drainage of Eye (Any Method) | Facility | 15 | 11 | $790.72 | $12K |
| 66170 Fluid Flow and Drainage of Eye (Any Method) | Facility | 13 | 11 | $745.07 | $9,686 |
| 66821 Cataract Surgery | Office | 12 | 12 | $242.75 | $2,913 |
By year: 2022 $203K for 2,102 services; 2023 $253K for 2,581 services; 2024 $210K for 2,241 services.
Medicare prescription drug claims, 2024
In 2024, the drug Robert H Knox prescribed most often to Medicare patients was Latanoprost, with 2,726 prescriptions and refills. In total Robert H Knox wrote 8,117 Medicare prescriptions that cost $449K.
| Drug | Claims | 30-day fills | Patients | Cost |
|---|---|---|---|---|
| Latanoprost Generic | 2,726 | 5,994 | 846 | $57K |
| Dorzolamide-Timolol Dorzolamide Hcl/Timolol Maleat | 1,842 | 3,969 | 566 | $43K |
| Brimonidine Tartrate Generic | 885 | 1,935 | 295 | $17K |
| Prednisolone Acetate Generic | 490 | 649 | 284 | $27K |
| Timolol Maleate Generic | 294 | 631 | 112 | $5,563 |
| Dorzolamide Hcl Generic | 274 | 601 | 101 | $8,044 |
| Atropine Sulfate Generic | 197 | 236 | 136 | $6,029 |
| Ofloxacin Generic | 178 | 196 | 142 | $2,502 |
| Brimonidine Tartrate-Timolol Brimonidine Tartrate/Timolol | 122 | 211 | 41 | $29K |
| Ketorolac Tromethamine Generic | 118 | 129 | 81 | $3,052 |
| Combigan Brimonidine Tartrate/Timolol | 110 | 190 | 26 | $42K |
| Erythromycin Erythromycin Base | 92 | 98 | 58 | $1,112 |
| Acetazolamide Generic | 86 | 118 | 32 | $6,323 |
| Lumigan Bimatoprost | 73 | 143 | 31 | $37K |
| Simbrinza Brinzolamide/Brimonidine Tart | 66 | 99 | 25 | $17K |
Brand drugs: 2,188 claims; generic drugs: 5,929 claims.
Money and other things of value reported by the companies
In 2025, drug and medical device companies paid Robert H Knox $592 ($592 in general payments such as food, travel and fees) from 7 companies. The largest payer was Abbvie Inc. with $446.
Official US government data on Original Medicare services, Medicare prescription drug plans and the payments drug and device companies must report. Services with fewer than 11 patients and drugs with fewer than 11 claims are not published. Procedure codes are shown by number with their public category.