Medicare FFS ophthalmology

Provider service volume comparison

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

Provider A

Charles T Zenzen, MD

NPI 1265448930 | Grand Blanc, MI

National rank
#9,910
Total services
1,649
VS
Provider B

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Shared CPT/HCPCS0Visible service rows found for both providers
Provider A only15
Provider B only0
Total service gap1,649
Beneficiary gap436
Allowed amount gap$189,905.35

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
324
0
324Provider A higher
99214Established patient office or other outpatient visit, 30-39 minutes
231
0
231Provider A higher
92083Exam of visual field with extended testing
191
0
191Provider A higher
92133Imaging of optic nerve
191
0
191Provider A higher
92136Measurement of corneal curvature and depth of eye
112
0
112Provider A higher
92134Imaging of retina
110
0
110Provider A higher
66984Removal of cataract with insertion of prosthetic lens
98
0
98Provider A higher
68761Closure of tear duct opening using plug
72
0
72Provider A higher
92014Established patient complete exam of visual system
72
0
72Provider A higher
92250Photography of the retina
49
0
49Provider A higher
99204New patient office or other outpatient visit, 45-59 minutes
48
0
48Provider A higher
66821Removal of recurring cataract in lens capsule using a laser
44
0
44Provider A higher
66984Removal of cataract with insertion of prosthetic lens
26
0
26Provider A higher
92020Exam of the internal drainage system of eye
18
0
18Provider A higher
99203New patient office or other outpatient visit, 30-44 minutes
14
0
14Provider A higher
Largest visible gaps5Rows sorted by shared rows first, then service-volume difference
Provider A total payment$134,044.52
Provider B total paymentNot available