Medicare FFS ophthalmology
Provider service volume comparison
Compare two ophthalmology providers by CY2023 Medicare FFS service volume and CPT/HCPCS mix.
Winston D Chamberlain, MD, PHD
NPI 1710108162 | Portland, OR
- National rank
- #12,721
- Total services
- 890
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Search providersCPT/HCPCS service volume comparison
Rows compare visible public provider-service lines by Medicare FFS service count.
| CPT/HCPCS | Description | Provider A services | Provider B services | Absolute difference | Higher Medicare FFS service volume |
|---|---|---|---|---|---|
| 92014 | Established patient complete exam of visual system | 199 | 0 | 199 | Provider A higher |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 90 | 0 | 90 | Provider A higher |
| 76514 | Ultrasound scan of cornea to determine thickness | 65 | 0 | 65 | Provider A higher |
| 92134 | Imaging of retina | 57 | 0 | 57 | Provider A higher |
| 92012 | Established patient problem focused exam of visual system | 56 | 0 | 56 | Provider A higher |
| 92025 | Ct scan of cornea | 46 | 0 | 46 | Provider A higher |
| 92014 | Established patient complete exam of visual system | 36 | 0 | 36 | Provider A higher |
| 92136 | Measurement of corneal curvature and depth of eye | 31 | 0 | 31 | Provider A higher |
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | 26 | 0 | 26 | Provider A higher |
| 92285 | Photography of content of eyes | 23 | 0 | 23 | Provider A higher |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | 23 | 0 | 23 | Provider A higher |
| 92133 | Imaging of optic nerve | 22 | 0 | 22 | Provider A higher |
| 66984 | Removal of cataract with insertion of prosthetic lens | 21 | 0 | 21 | Provider A higher |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 20 | 0 | 20 | Provider A higher |
| 66821 | Removal of recurring cataract in lens capsule using a laser | 18 | 0 | 18 | Provider A higher |
| 66982 | Complex removal of cataract with insertion of prosthetic lens | 14 | 0 | 14 | Provider A higher |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 12 | 0 | 12 | Provider A higher |