Medicare FFS ophthalmology

Provider service volume comparison

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

Provider A

Charles S Zwerling, M.D.

NPI 1750313599 | Goldsboro, NC

National rank
#4,779
Total services
3,805
VS
Provider B

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Shared CPT/HCPCS0Visible service rows found for both providers
Provider A only14
Provider B only0
Total service gap3,805
Beneficiary gap713
Allowed amount gap$300,455.91

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
99214Established patient office or other outpatient visit, 30-39 minutes
1,140
0
1,140Provider A higher
92083Exam of visual field with extended testing
995
0
995Provider A higher
92250Photography of the retina
927
0
927Provider A higher
92025Ct scan of cornea
123
0
123Provider A higher
92020Exam of the internal drainage system of eye
120
0
120Provider A higher
99213Established patient office or other outpatient visit, 20-29 minutes
115
0
115Provider A higher
92134Imaging of retina
79
0
79Provider A higher
99204New patient office or other outpatient visit, 45-59 minutes
74
0
74Provider A higher
95930Measurement of nerve conduction using visual stimulation testing with report
67
0
67Provider A higher
67210Destruction of growth of retina using a laser
55
0
55Provider A higher
92273Measurement of retinal and optic nerve function
38
0
38Provider A higher
99212Established patient office or other outpatient visit, 10-19 minutes
15
0
15Provider A higher
76514Ultrasound scan of cornea to determine thickness
14
0
14Provider A higher
92014Established patient complete exam of visual system
11
0
11Provider A higher
Largest visible gaps5Rows sorted by shared rows first, then service-volume difference
Provider A total payment$201,148.33
Provider B total paymentNot available