Medicare FFS ophthalmology

Provider service volume comparison

Compare two ophthalmology providers by CY2023 Medicare FFS service volume and CPT/HCPCS mix.

Provider A

Chia-Wen A Chang, M.D.

NPI 1417210451 | Visalia, CA

National rank
#9,423
Total services
1,799
VS
Provider B

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Shared CPT/HCPCS0Visible service rows found for both providers
Provider A only12
Provider B only0
Total service gap1,799
Beneficiary gap733
Allowed amount gap$270,721.84

CPT/HCPCS service volume comparison

Rows compare visible public provider-service lines by Medicare FFS service count.

CPT/HCPCSDescriptionProvider A servicesProvider B servicesAbsolute differenceHigher Medicare FFS service volume
92014Established patient complete exam of visual system
470
0
470Provider A higher
92136Measurement of corneal curvature and depth of eye
200
0
200Provider A higher
99213Established patient office or other outpatient visit, 20-29 minutes
195
0
195Provider A higher
92134Imaging of retina
168
0
168Provider A higher
66984Removal of cataract with insertion of prosthetic lens
167
0
167Provider A higher
92004New patient complete exam of visual system
147
0
147Provider A higher
92133Imaging of optic nerve
146
0
146Provider A higher
92083Exam of visual field with extended testing
60
0
60Provider A higher
99214Established patient office or other outpatient visit, 30-39 minutes
42
0
42Provider A higher
66821Removal of recurring cataract in lens capsule using a laser
39
0
39Provider A higher
92250Photography of the retina
36
0
36Provider A higher
99203New patient office or other outpatient visit, 30-44 minutes
24
0
24Provider A higher
Largest visible gaps5Rows sorted by shared rows first, then service-volume difference
Provider A total payment$204,380.37
Provider B total paymentNot available