Medicare FFS ophthalmology

Provider service volume comparison

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

Provider A

Christopher R Zieker, MD

NPI 1336127075 | Wilton, NY

National rank
#11,521
Total services
1,196
VS
Provider B

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Shared CPT/HCPCS0Visible service rows found for both providers
Provider A only9
Provider B only0
Total service gap1,196
Beneficiary gap427
Allowed amount gap$240,542.54

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
320
0
320Provider A higher
92136Measurement of corneal curvature and depth of eye
238
0
238Provider A higher
66984Removal of cataract with insertion of prosthetic lens
225
0
225Provider A higher
92004New patient complete exam of visual system
125
0
125Provider A higher
66821Removal of recurring cataract in lens capsule using a laser
113
0
113Provider A higher
92083Exam of visual field with extended testing
51
0
51Provider A higher
92133Imaging of optic nerve
47
0
47Provider A higher
92012Established patient problem focused exam of visual system
14
0
14Provider A higher
99213Established patient office or other outpatient visit, 20-29 minutes
12
0
12Provider A higher
Largest visible gaps5Rows sorted by shared rows first, then service-volume difference
Provider A total payment$180,821.98
Provider B total paymentNot available