Medicare FFS ophthalmology

Provider service volume comparison

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

Provider A

Lucy Y Zhang, M.D.

NPI 1326304809 | Greenbrae, CA

National rank
#6,964
Total services
2,640
VS
Provider B

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Shared CPT/HCPCS0Visible service rows found for both providers
Provider A only17
Provider B only0
Total service gap2,640
Beneficiary gap924
Allowed amount gap$318,473.73

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
92134Imaging of retina
634
0
634Provider A higher
92014Established patient complete exam of visual system
617
0
617Provider A higher
99214Established patient office or other outpatient visit, 30-39 minutes
271
0
271Provider A higher
92133Imaging of optic nerve
200
0
200Provider A higher
92083Exam of visual field with extended testing
171
0
171Provider A higher
99204New patient office or other outpatient visit, 45-59 minutes
110
0
110Provider A higher
92012Established patient problem focused exam of visual system
101
0
101Provider A higher
92136Measurement of corneal curvature and depth of eye
69
0
69Provider A higher
92250Photography of the retina
69
0
69Provider A higher
66984Removal of cataract with insertion of prosthetic lens
68
0
68Provider A higher
92202Extended exam of the back part of the eye with optic nerve drawing
62
0
62Provider A higher
68761Closure of tear duct opening using plug
55
0
55Provider A higher
99213Established patient office or other outpatient visit, 20-29 minutes
46
0
46Provider A higher
76514Ultrasound scan of cornea to determine thickness
45
0
45Provider A higher
92025Ct scan of cornea
30
0
30Provider A higher
66821Removal of recurring cataract in lens capsule using a laser
26
0
26Provider A higher
67820Removal of eyelashes using forceps
13
0
13Provider A higher
Largest visible gaps5Rows sorted by shared rows first, then service-volume difference
Provider A total payment$214,231.09
Provider B total paymentNot available