Medicare FFS ophthalmology

Provider service volume comparison

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

Provider A

Aimee C Chang, MD

NPI 1730689340 | Freedom, CA

National rank
#11,566
Total services
1,184
VS
Provider B

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Shared CPT/HCPCS0Visible service rows found for both providers
Provider A only13
Provider B only0
Total service gap1,184
Beneficiary gap548
Allowed amount gap$129,922.26

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
99213Established patient office or other outpatient visit, 20-29 minutes
295
0
295Provider A higher
99214Established patient office or other outpatient visit, 30-39 minutes
174
0
174Provider A higher
92083Exam of visual field with extended testing
130
0
130Provider A higher
92133Imaging of optic nerve
114
0
114Provider A higher
92020Exam of the internal drainage system of eye
76
0
76Provider A higher
92134Imaging of retina
72
0
72Provider A higher
76514Ultrasound scan of cornea to determine thickness
47
0
47Provider A higher
99204New patient office or other outpatient visit, 45-59 minutes
43
0
43Provider A higher
92250Photography of the retina
27
0
27Provider A higher
92136Measurement of corneal curvature and depth of eye
21
0
21Provider A higher
99203New patient office or other outpatient visit, 30-44 minutes
20
0
20Provider A higher
92004New patient complete exam of visual system
17
0
17Provider A higher
66984Removal of cataract with insertion of prosthetic lens
14
0
14Provider A higher
Largest visible gaps5Rows sorted by shared rows first, then service-volume difference
Provider A total payment$102,109.09
Provider B total paymentNot available