A missing listing does not mean out of network. Directories change, and a listing does not cover every office. Call Dr. Cho’s office at (650) 934-7676 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
Licensed to practise in California · since 2004 · expires 2027-10-31 · University of Illinois College of Medicine.
No disciplinary actions, convictions, malpractice judgments or citations in this record.
Original Medicare doctor bills
$2,299
Medicare paid this office $2,299 for 24 people.
This is what Medicare paid the clinician — not Medicare Advantage, and not the pharmacy.
Largest Original Medicare bills
Short return visit (20+ min)
18
$1,261
$70
Who their Medicare patients are
24 Original Medicare patients in 2024. Average age 71 · Health risk score 0.59. At or below the middle of the specialty; the typical dermatology clinician is at 1.01.
Conditions among them: High blood pressure 54%.
The office billed $9,442, Medicare allowed $3,737 and paid $2,299; for 34 services of 8 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
24
34
71
0.59
$9,442
$2,299
2023
19
21
71
0.80
$5,669
$1,651
2022
142
435
76
0.90
$82,894
$19,836
2021
369
2,286
77
0.94
$420,415
$133,461
2020
338
2,006
76
0.92
$333,768
$94,458
2019
350
2,527
75
0.98
$432,658
$115,927
2018
365
2,880
76
0.99
$415,405
$115,781
2017
393
2,884
76
0.93
$438,961
$122,605
2016
389
3,073
76
0.91
$449,551
$124,175
2015
424
3,432
75
0.93
$473,982
$134,893
2014
397
3,974
75
0.89
$530,942
$154,077
2013
378
3,250
75
1.04
$475,328
$131,500
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
2023: 1 service
Original Medicare services billed in 2023
Short return visit (20+ min)
13
$1,068
$82
2022: 6 services
Original Medicare services billed in 2022
Short return visit (20+ min)
78
$4,518
$55
Return visit (30+ min)
44
$3,483
$79
Destruction of skin growth, 1-14 growths
24
$2,451
$98
Destruction of precancer skin growth, 1 growth
34
$1,387
$40
Biopsy of related skin growth, first growth
14
$1,334
$95
Destruction of precancer skin growth, 2-14 growths
29
$907
$7
2021: 12 services
Original Medicare services billed in 2021
Return visit (30+ min)
211
$34,655
$108
Short return visit (20+ min)
242
$27,468
$80
Destruction of skin growth, 1-14 growths
94
$13,764
$116
Destruction of precancer skin growth, 1 growth
141
$10,537
$49
Biopsy of related skin growth, first growth
77
$9,196
$100
Destruction of precancer skin growth, 2-14 growths
116
$5,954
$7
Intermediate repair of wound of scalp, underarms, trunk, arms, or legs, 2.6-7.5 cm
13
$4,567
$326
Punch biopsy, first skin growth
29
$4,478
$140
Destruction of precancer skin growth, 15 or more growths
13
$2,997
$166
Biopsy of related skin growth, each additional growth
16
$1,352
$56
Injection into skin growth, 1-7 growths
14
$794
$50
Injection, triamcinolone acetonide, not otherwise specified, 10 mg
18
$31
—None
2020: 14 services
Original Medicare services billed in 2020
Return visit (30+ min)
209
$27,256
$92
Short return visit (20+ min)
148
$11,810
$58
Destruction of precancer skin growth, 1 growth
143
$9,562
$48
Destruction of skin growth, 1-14 growths
63
$9,208
$114
Biopsy of related skin growth, first growth
62
$7,192
$90
Destruction of precancer skin growth, 2-14 growths
119
$5,600
$6
Intermediate repair of wound of scalp, underarms, trunk, arms, or legs, 2.6-7.5 cm
15
$5,222
$307
Destruction of precancer skin growth, 15 or more growths
14
$2,641
$155
Punch biopsy, first skin growth
15
$2,337
$130
Removal of cancer skin growth of body, arms, or legs, 1.1-2.0 cm
15
$2,305
$128
Biopsy of related skin growth, each additional growth
23
$1,569
$52
New patient visit (15+ min)
12
$753
$63
Injection into skin growth, 1-7 growths
11
$510
$39
Injection, triamcinolone acetonide, not otherwise specified, 10 mg
14
$30
—None
2019: 13 services
Original Medicare services billed in 2019
Return visit (30+ min)
207
$29,510
$90
Short return visit (20+ min)
159
$13,937
$61
Destruction of precancer skin growth, 1 growth
156
$11,574
$47
Biopsy of related skin growth, first growth
94
$11,083
$92
Destruction of skin growth, 1-14 growths
60
$8,042
$106
Intermediate repair of wound of scalp, underarms, trunk, arms, or legs, 2.6-7.5 cm
23
$7,597
$304
Destruction of precancer skin growth, 2-14 growths
139
$6,200
$6
Punch biopsy, first skin growth
23
$3,319
$128
Removal of cancer skin growth of body, arms, or legs, 1.1-2.0 cm
19
$3,100
$124
Application of ultraviolet light to skin
17
$2,665
$21
Destruction of precancer skin growth, 15 or more growths
14
$2,346
$147
Biopsy of related skin growth, each additional growth
27
$2,300
$53
New patient visit (15+ min)
19
$1,205
$63
2018: 14 services
Original Medicare services billed in 2018
Return visit (30+ min)
223
$31,343
$87
Biopsy of single growth of skin and/or tissue
117
$13,895
$93
Short return visit (20+ min)
163
$13,339
$57
Destruction of precancer skin growth, 1 growth
186
$13,330
$47
Destruction of skin growth, 1-14 growths
86
$11,181
$109
Destruction of precancer skin growth, 2-14 growths
166
$7,137
$5
Intermediate repair of wound of scalp, underarms, trunk, arms, or legs, 2.6-7.5 cm
16
$4,608
$288
Destruction of precancer skin growth, 15 or more growths
19
$2,969
$141
Removal of cancer skin growth of body, arms, or legs, 1.1-2.0 cm
16
$2,442
$136
Biopsy of each additional growth of skin and/or tissue
35
$2,020
$30
Application of ultraviolet light to skin
14
$1,795
$21
New patient visit (15+ min)
22
$1,222
$56
Injection into skin growth, 1-7 growths
13
$599
$37
Injection, triamcinolone acetonide, not otherwise specified, 10 mg
12
$32
—None
2017: 14 services
Original Medicare services billed in 2017
Return visit (30+ min)
238
$31,648
$86
Short return visit (20+ min)
188
$16,205
$59
Destruction of precancer skin growth, 1 growth
189
$14,049
$49
Biopsy of single growth of skin and/or tissue
102
$11,420
$89
Destruction of skin growth, 1-14 growths
75
$10,104
$106
Destruction of precancer skin growth, 2-14 growths
170
$7,389
$5
Intermediate repair of wound of scalp, underarms, trunk, arms, or legs, 2.6-7.5 cm
25
$7,320
$282
Removal of cancer skin growth of body, arms, or legs, 1.1-2.0 cm
23
$3,509
$121
New patient visit (15+ min)
35
$1,881
$54
Destruction of precancer skin growth, 15 or more growths
11
$1,864
$143
Biopsy of each additional growth of skin and/or tissue
38
$1,861
$30
Injection into skin growth, 1-7 growths
18
$1,353
$42
Application of ultraviolet light to skin
15
$1,020
$22
Injection, triamcinolone acetonide, not otherwise specified, 10 mg
17
$56
—None
2016: 13 services
Original Medicare services billed in 2016
Return visit (30+ min)
193
$24,636
$88
Short return visit (20+ min)
222
$18,182
$56
Destruction of precancer skin growth, 1 growth
189
$13,391
$48
Biopsy of single growth of skin and/or tissue
116
$13,159
$90
Destruction of skin growth, 1-14 growths
75
$9,604
$104
Intermediate repair of wound of scalp, underarms, trunk, arms, or legs, 2.6-7.5 cm
25
$8,365
$279
Destruction of precancer skin growth, 2-14 growths
173
$8,073
$5
Removal of cancer skin growth of body, arms, or legs, 1.1-2.0 cm
21
$3,601
$120
Application of ultraviolet light to skin
16
$2,376
$20
Biopsy of each additional growth of skin and/or tissue
37
$2,143
$31
New patient visit (15+ min)
32
$2,117
$66
Injection into skin growth, 1-7 growths
18
$1,236
$44
Injection, triamcinolone acetonide, not otherwise specified, 10 mg
18
$54
—None
2015: 14 services
Original Medicare services billed in 2015
Short return visit (20+ min)
332
$28,984
$57
Destruction of precancer skin growth, 1 growth
211
$16,058
$51
Biopsy of single growth of skin and/or tissue
112
$13,037
$97
Return visit (30+ min)
85
$11,399
$93
Destruction of skin growth, 1-14 growths
79
$9,842
$105
Destruction of precancer skin growth, 2-14 growths
188
$9,243
$6
Intermediate repair of wound of scalp, underarms, trunk, arms, or legs, 2.6-7.5 cm
21
$6,884
$299
New patient visit (15+ min)
64
$4,029
$63
Removal of cancer skin growth of body, arms, or legs, 1.1-2.0 cm
17
$2,757
$125
Destruction of precancer skin growth, 15 or more growths
17
$2,679
$149
Biopsy of each additional growth of skin and/or tissue
43
$2,674
$31
Injection into skin growth, 1-7 growths
14
$621
$41
Short return visit
11
$441
$40
Injection, triamcinolone acetonide, not otherwise specified, 10 mg
17
$46
—None
2014: 15 services
Original Medicare services billed in 2014
Short return visit (20+ min)
314
$34,283
$60
Destruction of precancer skin growth, 2-14 growths
180
$16,663
$10
Destruction of precancer skin growth, 1 growth
186
$16,604
$55
Biopsy of single growth of skin and/or tissue
121
$13,476
$89
Return visit (30+ min)
80
$9,890
$89
Intermediate repair of wound of scalp, underarms, trunk, arms, or legs, 2.6-7.5 cm
30
$9,362
$275
Destruction of skin growth, 1-14 growths
70
$9,048
$101
Removal of cancer skin growth of body, arms, or legs, 1.1-2.0 cm
23
$3,602
$120
New patient visit (15+ min)
65
$3,439
$53
Destruction of precancer skin growth, 15 or more growths
18
$2,934
$133
Biopsy of each additional growth of skin and/or tissue
50
$2,317
$30
Removal of cancer skin growth of scalp, neck, hands, feet, or genitals, 1.1-2.0 cm
14
$2,308
$144
Injection into skin growth, more than 7 growths
12
$1,433
$55
Injection into skin growth, 1-7 growths
17
$1,009
$40
Injection, triamcinolone acetonide, not otherwise specified, 10 mg
22
$91
—None
2013: 15 services
Original Medicare services billed in 2013
Short return visit (20+ min)
285
$28,307
$59
Destruction of precancer skin growth, 1 growth
169
$16,259
$61
Biopsy of single growth of skin and/or tissue
115
$13,626
$95
Return visit (30+ min)
74
$11,207
$91
Destruction of skin growth, 1-14 growths
77
$9,291
$104
Destruction of precancer skin growth, 2-14 growths
151
$8,604
$6
Application of ultraviolet light to skin
12
$5,575
$23
Intermediate repair of wound of scalp, underarms, trunk, arms, or legs, 2.6-7.5 cm
15
$4,721
$295
New patient visit (15+ min)
81
$4,418
$55
Destruction of precancer skin growth, 15 or more growths
16
$3,542
$161
Biopsy of each additional growth of skin and/or tissue
43
$2,372
$30
Removal of cancer skin growth of scalp, neck, hands, feet, or genitals, 1.1-2.0 cm
12
$1,701
$131
Removal of cancer skin growth of body, arms, or legs, 1.1-2.0 cm
12
$1,586
$122
Injection into skin growth, 1-7 growths
12
$959
$42
Injection, triamcinolone acetonide, not otherwise specified, 10 mg
17
$99
—None
Drugs they prescribed that Part D paid
$1,944
Pharmacies billed $1,944 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 63) in 2024. At or below the middle of the specialty; the typical dermatology clinician is at 0%.
63 generic and 0 brand-name prescriptions · $1,944 in drug cost.
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
Valacyclovir
12
$68
$6
Year by year
Part D prescribing by year
2024
63
25
0% (0)
0%
$1,944
2023
88
37
—None
0%
$2,687
2022
324
105
—None
4%
$28,350
2021
643
211
—None
3%
$74,540
2020
615
201
—None
6%
$107,379
2019
630
195
—None
10%
$116,301
2018
727
210
—None
—None
$107,435
2017
654
199
—None
—None
$152,747
2016
687
200
—None
—None
$54,437
2015
716
206
—None
—None
$58,675
2014
669
207
—None
—None
$61,247
2013
718
202
—None
—None
$52,002
Part D prescriptions only. A drug prescribed to fewer than 11 people in a year is hidden.
See the drugs prescribed each year
2023: 2 drugs
Part D drugs prescribed in 2023
Ketoconazole
24
$431
$18
Triamcinolone Acetonide
12
$39
$3
2022: 10 drugs
Part D drugs prescribed in 2022
Doxycycline Hyclate
39
$3,716
$95
Calcipotriene
13
$3,606
$277
Acitretin
12
$3,360
$280
Fluorouracil
15
$1,823
$122
Metronidazole
16
$1,636
$102
Betamethasone Diprop Augmented
29
$1,064
$37
Mometasone Furoate
20
$909
$45
Ketoconazole
44
$895
$20
Triamcinolone Acetonide
30
$177
$6
Valacyclovir
12
$115
$10
2021: 14 drugs
Part D drugs prescribed in 2021
Fluorouracil
70
$6,943
$99
Acitretin
15
$4,007
$267
Metronidazole
25
$2,029
$81
Doxycycline Hyclate
40
$1,988
$50
Mometasone Furoate
58
$1,699
$29
Betamethasone Diprop Augmented
56
$1,607
$29
Hydroxychloroquine Sulfate
20
$1,591
$80
Ketoconazole
57
$1,488
$26
Triamcinolone Acetonide
73
$493
$7
Ciclopirox
11
$337
$31
Valacyclovir
17
$286
$17
Nystatin
12
$256
$21
Mupirocin
32
$240
$7
Fluconazole
12
$117
$10
2020: 15 drugs
Part D drugs prescribed in 2020
Acitretin
17
$6,831
$402
Fluorouracil
41
$4,399
$107
Metronidazole
21
$3,692
$176
Hydroxychloroquine Sulfate
26
$3,482
$134
Doxycycline Hyclate
31
$2,324
$75
Ketoconazole
85
$1,791
$21
Mometasone Furoate
46
$1,241
$27
Betamethasone Diprop Augmented
50
$1,135
$23
Ciclopirox
18
$867
$48
Triamcinolone Acetonide
51
$366
$7
Mupirocin
24
$239
$10
Hydroxyzine
12
$229
$19
Nystatin
13
$215
$17
Terbinafine
11
$111
$10
Hydrocortisone
17
$106
$6
2019: 19 drugs
Part D drugs prescribed in 2019
Humira
11
$60,793
$5,527
Acitretin
22
$8,429
$383
Fluorouracil
37
$4,389
$119
Metronidazole
31
$2,975
$96
Clindamycin Phosphate
15
$2,556
$170
Mycophenolate Mofetil
13
$2,522
$194
Hydroxychloroquine Sulfate
30
$2,168
$72
Doxycycline Hyclate
37
$1,966
$53
Mometasone Furoate
46
$1,347
$29
Betamethasone Diprop Augmented
49
$1,142
$23
Minocycline
12
$888
$74
Ketoconazole
42
$838
$20
Ciclopirox
14
$473
$34
Triamcinolone Acetonide
52
$234
$4
Mupirocin
23
$224
$10
Valacyclovir
13
$190
$15
Nystatin
12
$165
$14
Prednisone
14
$90
$6
Cephalexin
15
$72
$5
2018: 20 drugs
Part D drugs prescribed in 2018
Acitretin
26
$13,607
$523
Fluorouracil
44
$6,819
$155
Calcipotriene
12
$4,948
$412
Mycophenolate Mofetil
12
$2,939
$245
Metronidazole
31
$2,694
$87
Hydroxychloroquine Sulfate
23
$2,356
$102
Clindamycin Phosphate
17
$2,256
$133
Betamethasone Diprop Augmented
37
$1,646
$44
Doxycycline Hyclate
34
$1,459
$43
Clobetasol Propionate
18
$1,427
$79
Ketoconazole
54
$1,401
$26
Fluocinonide
13
$1,278
$98
Valacyclovir
30
$1,226
$41
Ciclopirox
32
$1,214
$38
Mometasone Furoate
37
$1,065
$29
Minocycline
12
$954
$79
Triamcinolone Acetonide
73
$481
$7
Prednisone
35
$337
$10
Nystatin
14
$238
$17
Mupirocin
16
$110
$7
2017: 20 drugs
Part D drugs prescribed in 2017
Clobetasol Propionate
42
$7,047
$168
Fluorouracil
39
$4,686
$120
Calcipotriene
12
$3,706
$309
Hydroxychloroquine Sulfate
16
$2,685
$168
Metronidazole
25
$2,634
$105
Econazole Nitrate
12
$2,520
$210
Fluocinonide
20
$2,238
$112
Betamethasone Dipropionate
33
$2,178
$66
Mycophenolate Mofetil
14
$2,100
$150
Methotrexate
13
$2,029
$156
Ketoconazole
61
$1,376
$23
Doxycycline Hyclate
24
$1,294
$54
Valacyclovir
22
$895
$41
Mometasone Furoate
28
$672
$24
Triamcinolone Acetonide
65
$493
$8
Prednisone
21
$289
$14
Mupirocin
21
$238
$11
Nystatin
11
$152
$14
Cephalexin
22
$138
$6
Nortriptyline
11
$134
$12
2016: 20 drugs
Part D drugs prescribed in 2016
Clobetasol Propionate
50
$10,288
$206
Fluorouracil
39
$4,491
$115
Doxycycline Hyclate
35
$2,801
$80
Fluocinonide
27
$2,783
$103
Econazole Nitrate
19
$2,627
$138
Hydroxychloroquine Sulfate
14
$1,747
$125
Methotrexate
17
$1,710
$101
Metronidazole
16
$1,334
$83
Mometasone Furoate
33
$1,307
$40
Betamethasone Dipropionate
27
$1,239
$46
Ketoconazole
60
$1,015
$17
Imiquimod
12
$794
$66
Valacyclovir
19
$692
$36
Triamcinolone Acetonide
61
$573
$9
Minocycline
14
$564
$40
Prednisone
28
$280
$10
Nystatin
16
$228
$14
Mupirocin
11
$188
$17
Cephalexin
25
$178
$7
Levocetirizine Dihydrochloride
11
$176
$16
2015: 20 drugs
Part D drugs prescribed in 2015
Clobetasol Propionate
49
$8,769
$179
Fluorouracil
36
$5,567
$155
Doxycycline Hyclate
44
$4,666
$106
Hydroxychloroquine Sulfate
19
$3,240
$171
Econazole Nitrate
20
$3,033
$152
Metronidazole
28
$2,649
$95
Fluocinonide
41
$2,514
$61
Methotrexate
20
$2,096
$105
Desonide
16
$1,239
$77
Ketoconazole
61
$920
$15
Mometasone Furoate
31
$665
$21
Nystatin
24
$500
$21
Hydroxyzine
22
$487
$22
Triamcinolone Acetonide
59
$379
$6
Pioglitazone
13
$377
$29
Valacyclovir
17
$365
$21
Prednisone
24
$334
$14
Nortriptyline
21
$147
$7
Cephalexin
20
$122
$6
Terbinafine
13
$47
$4
2014: 16 drugs
Part D drugs prescribed in 2014
Fluorouracil
40
$6,818
$170
Clobetasol Propionate
110
$6,620
$60
Desonide
33
$4,280
$130
Doxycycline Hyclate
22
$4,185
$190
Fluocinonide
43
$2,663
$62
Methotrexate
15
$1,649
$110
Metronidazole
16
$1,619
$101
Ketoconazole
67
$1,172
$17
Hydroxychloroquine Sulfate
24
$1,137
$47
Triamcinolone Acetonide
46
$455
$10
Nystatin
15
$291
$19
Valacyclovir
11
$231
$21
Prednisone
21
$193
$9
Hydroxyzine
19
$166
$9
Terbinafine
15
$111
$7
Cephalexin
18
$105
$6
2013: 17 drugs
Part D drugs prescribed in 2013
Fluorouracil
49
$8,856
$181
Calcipotriene
11
$7,268
$661
Doxycycline Hyclate
18
$4,315
$240
Clobetasol Propionate
121
$4,276
$35
Desonide
44
$3,278
$74
Fluocinonide
63
$2,503
$40
Metronidazole
11
$2,223
$202
Pioglitazone
12
$1,400
$117
Methotrexate
20
$1,397
$70
Ketoconazole
53
$1,035
$20
Nystatin
23
$607
$26
Hydroxychloroquine Sulfate
17
$369
$22
Triamcinolone Acetonide
30
$356
$12
Prednisone
32
$276
$9
Hydroxyzine
14
$274
$20
Cephalexin
30
$267
$9
Amitriptyline
17
$76
$4
Money from drug and device companies
$87 in 2025
Industry payments by year
2025
3
3
—None
$87
2024
4
5
—None
$133
2021
1
1
—None
$12
2020
1
1
—None
$13
Paid work is consulting, speaking, honoraria and royalties, as opposed to meals and travel.