Medicare FFS ophthalmology

Provider service volume comparison

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

Provider A

Karen M Ullian, M.D.

NPI 1790783413 | Charleston, SC

National rank
#10,546
Total services
1,464
VS
Provider B

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Shared CPT/HCPCS0Visible service rows found for both providers
Provider A only15
Provider B only0
Total service gap1,464
Beneficiary gap739
Allowed amount gap$110,618.18

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
363
0
363Provider A higher
92083Exam of visual field with extended testing
173
0
173Provider A higher
99214Established patient office or other outpatient visit, 30-39 minutes
171
0
171Provider A higher
92133Imaging of optic nerve
168
0
168Provider A higher
99203New patient office or other outpatient visit, 30-44 minutes
107
0
107Provider A higher
92134Imaging of retina
104
0
104Provider A higher
99204New patient office or other outpatient visit, 45-59 minutes
74
0
74Provider A higher
99213Established patient office or other outpatient visit, 20-29 minutes
74
0
74Provider A higher
92083Exam of visual field with extended testing
51
0
51Provider A higher
92133Imaging of optic nerve
43
0
43Provider A higher
99214Established patient office or other outpatient visit, 30-39 minutes
38
0
38Provider A higher
99204New patient office or other outpatient visit, 45-59 minutes
28
0
28Provider A higher
99203New patient office or other outpatient visit, 30-44 minutes
24
0
24Provider A higher
92134Imaging of retina
22
0
22Provider A higher
92250Photography of the retina
14
0
14Provider A higher
Largest visible gaps5Rows sorted by shared rows first, then service-volume difference
Provider A total payment$74,768.76
Provider B total paymentNot available