A missing listing does not mean out of network. Directories change, and a listing does not cover every office. Call Dr. Ngo’s office at (408) 972-3413 to confirm they take your plan. Ask about the office you use, its medical group, referrals and appointments.
Plans whose provider directory lists this clinician
We check Colorado, Delaware, Florida, Illinois, Maryland, New Jersey, New York, Tennessee, Texas, Virginia, Washington, plus California above. A state that is not in this list has not been checked, which is not the same as clear.
Original Medicare doctor bills
$3,967
Medicare paid this office $3,967 for 14 people.
This is what Medicare paid the clinician — not Medicare Advantage, and not the pharmacy.
Largest Original Medicare bills
Return visit (30+ min)
11
$1,775
$99
Who their Medicare patients are
14 Original Medicare patients in 2024. Average age 71 · Health risk score 1.61. Sicker patients than 9 in 10 peers; the typical ophthalmology clinician is at 1.16.
The office billed $13,298, Medicare allowed $5,899 and paid $3,967; for 41 services of 6 kinds.
Original Medicare patients only. A risk score of 1.0 is the average Medicare patient; higher means sicker. Any count under 11 is hidden.
Year by year
Original Medicare by year
2024
14
41
71
1.61
$13,298
$3,967
2023
15
28
72
1.61
$8,231
$2,442
2022
16
20
70
1.55
$5,712
$1,418
2021
14
19
70
2.02
$4,059
$1,336
2020
14
16
72
2.56
$3,454
$759
2018
14
31
67
2.32
$5,932
$1,703
2017
13
20
63
0.63
$4,538
$1,438
2015
156
419
70
1.59
$89,273
$24,678
2014
214
923
67
1.54
$237,221
$73,946
2013
186
798
70
1.45
$174,577
$55,314
Original Medicare only. A service billed for fewer than 11 people in a year is hidden, so the lines can add up to less than the year's total.
See the services billed each year
2020: 1 service
Original Medicare services billed in 2020
Established patient problem focused exam of visual system
13
$712
$47
2018: 1 service
Original Medicare services billed in 2018
Established patient problem focused exam of visual system
14
$1,452
$56
2017: 1 service
Original Medicare services billed in 2017
Established patient problem focused exam of visual system
13
$1,125
$62
2015: 9 services
Original Medicare services billed in 2015
Established patient problem focused exam of visual system
127
$10,771
$49
Established patient complete exam of visual system
21
$1,614
$73
Exam of visual field with extended testing
25
$1,124
$42
Imaging of optic nerve
34
$1,036
$29
New patient complete exam of visual system
11
$770
$70
Photography of the retina
12
$739
$62
Established patient problem focused exam of visual system
11
$416
$24
Exam of the internal drainage system of eye
15
$296
$18
Ultrasound scan of cornea to determine thickness
17
$200
$11
2014: 10 services
Original Medicare services billed in 2014
Established patient problem focused exam of visual system
156
$26,157
$59
Established patient complete exam of visual system
63
$5,892
$88
Laser repair to improve eye fluid flow
16
$5,201
$274
New patient complete exam of visual system
35
$3,624
$104
Exam of visual field with extended testing
51
$2,607
$49
Imaging of optic nerve
71
$2,527
$35
Established patient problem focused exam of visual system
19
$1,438
$33
Photography of the retina
20
$1,215
$61
Exam of the internal drainage system of eye
35
$725
$21
Ultrasound scan of cornea to determine thickness
38
$434
$11
2013: 8 services
Original Medicare services billed in 2013
Established patient problem focused exam of visual system
122
$19,523
$64
Established patient complete exam of visual system
91
$8,260
$86
Exam of visual field with extended testing
80
$4,078
$50
Imaging of optic nerve
84
$2,945
$33
New patient complete exam of visual system
26
$2,523
$97
Exam of the internal drainage system of eye
62
$1,280
$20
Established patient problem focused exam of visual system
14
$1,122
$37
Ultrasound scan of cornea to determine thickness
26
$292
$11
Medicaid work
$5,007 in 2024
Medicaid paid $5,007 for 55 billed services this clinician did in 2024, up to 16 people in a month for one service.
Medicaid and CHIP claims where this clinician did the service, fee-for-service and managed care together. Any month with fewer than 11 patients is hidden, so small Medicaid practices undercount.
Largest Medicaid services in 2024
Return visit (30+ min)
26
$3,702
Computerized ophthalmic diagnostic imaging (eg, optical coherence tomography [OCT]), posterior segment, with interpretation and report, unilateral or bilateral; optic nerve
13
$657
Computerized ophthalmic diagnostic imaging (eg, optical coherence tomography [OCT]), posterior segment, with interpretation and report, unilateral or bilateral; retina
16
$648
Medicaid work by year
2024
55
3
16
$5,007
2023
68
1
14
$0
2022
41
2
15
$0
2021
40
1
15
$96
2020
12
1
12
$0
2019
86
1
16
$17
2018
128
1
18
$67
See the largest Medicaid services in earlier years
2023
Largest Medicaid services in 2023
Return visit (30+ min)
68
$0
2022
Largest Medicaid services in 2022
Computerized ophthalmic diagnostic imaging (eg, optical coherence tomography [OCT]), posterior segment, with interpretation and report, unilateral or bilateral; retina
12
$0
Return visit (30+ min)
29
$0
2021
Largest Medicaid services in 2021
Return visit (30+ min)
40
$96
2020
Largest Medicaid services in 2020
Ophthalmological services: medical examination and evaluation, with initiation or continuation of diagnostic and treatment program; intermediate, established patient
12
$0
2019
Largest Medicaid services in 2019
Ophthalmological services: medical examination and evaluation, with initiation or continuation of diagnostic and treatment program; intermediate, established patient
86
$17
2018
Largest Medicaid services in 2018
Ophthalmological services: medical examination and evaluation, with initiation or continuation of diagnostic and treatment program; intermediate, established patient
128
$67
Drugs they prescribed that Part D paid
$102,326
Pharmacies billed $102,326 in 2024.
This is pharmacy cost, not the office bill, and not what patients paid.
Opioids were 0% of their Part D prescriptions (0 of 2,431) in 2024. At or below the middle of the specialty; the typical ophthalmology clinician is at 0%.
2,212 generic and 219 brand-name prescriptions · $102,326 in drug cost · 16 antibiotic prescriptions.
Part D prescriptions only. The opioid rate is opioid prescriptions as a share of all this clinician's Part D prescriptions; surgeons and pain specialists run higher than others, so it is shown against the same specialty.
Largest Part D drug costs
Rhopressa
53
$19,603
$370
Latanoprost
899
$13,319
$15
Brinzolamide
44
$12,055
$274
Dorzolamide-Timolol
358
$8,775
$25
Timolol Maleate
28
$6,850
$245
See all 17 drugs
Every Part D drug this clinician prescribed
Rhopressa
53
$19,603
$370
Latanoprost
899
$13,319
$15
Brinzolamide
44
$12,055
$274
Dorzolamide-Timolol
358
$8,775
$25
Timolol Maleate
28
$6,850
$245
Brimonidine
405
$6,767
$17
Tafluprost
31
$3,934
$127
Timolol Maleate
181
$3,878
$21
Fluorometholone
29
$3,708
$128
Prednisolone Acetate
56
$2,854
$51
Dorzolamide
96
$2,591
$27
Dorzolamide-Timolol
25
$2,563
$103
Cyclosporine
23
$2,105
$92
Bimatoprost
15
$1,871
$125
Erythromycin
59
$795
$13
Valacyclovir
16
$658
$41
Diclofenac
12
$166
$14
Year by year
Part D prescribing by year
2024
2,431
560
0% (0)
9%
$102,326
2023
2,191
528
0% (0)
8%
$75,259
2022
1,841
520
0% (0)
14%
$76,595
2021
1,666
504
0% (0)
11%
$92,074
2020
1,530
434
0% (0)
11%
$78,647
2019
1,622
434
—None
11%
$76,035
2018
1,241
392
0% (0)
13%
$54,017
2017
1,099
411
—None
17%
$47,911
2016
881
394
0% (0)
28%
$57,724
2015
3,587
455
—None
—None
$257,556
2014
4,108
370
—None
48%
$309,980
2013
1,735
246
—None
55%
$114,042
Part D prescriptions only. A drug prescribed to fewer than 11 people in a year is hidden.