A missing listing does not mean out of network. Directories change, and a listing does not cover every office. Call Dr. Chin’s office at (408) 296-0511 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
This is what Medicare paid the clinician — not Medicare Advantage, and not the pharmacy.
Largest Original Medicare bills
Return visit (30+ min)
53
$5,899
$100
Photography of the retina
15
$439
$27
Who their Medicare patients are
62 Original Medicare patients in 2024. Average age 75 · Women 53% · Health risk score 0.85. At or below the middle of the specialty; the typical optometry clinician is at 0.97.
Conditions among them: High blood pressure 71% · Diabetes 21% · Atrial fibrillation 18%.
The office billed $21,467, Medicare allowed $14,833 and paid $10,046; for 136 services of 14 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
62
136
75
0.85
$21,467
$10,046
2023
61
112
75
0.88
$17,510
$8,450
2022
55
88
75
0.78
$13,244
$6,335
2021
45
78
73
0.82
$11,470
$6,455
2020
30
45
74
0.76
$6,213
$3,017
2019
27
48
75
0.98
$6,280
$3,507
2018
36
62
72
0.96
$8,546
$4,405
2017
26
47
76
0.93
$6,325
$3,420
2016
29
47
73
0.92
$6,840
$3,893
2015
34
50
73
1.08
$7,070
$3,863
2014
25
37
69
1.05
$4,955
$2,818
2013
21
37
72
0.88
$4,287
$2,763
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: 2 services
Original Medicare services billed in 2023
Return visit (30+ min)
48
$4,883
$90
Photography of the retina
13
$415
$30
2022: 1 service
Original Medicare services billed in 2022
Return visit (30+ min)
44
$3,682
$77
2021: 1 service
Original Medicare services billed in 2021
Return visit (30+ min)
36
$3,926
$101
2020: 1 service
Original Medicare services billed in 2020
Return visit (30+ min)
24
$1,916
$80
2019: 1 service
Original Medicare services billed in 2019
Return visit (30+ min)
22
$1,937
$88
2018: 1 service
Original Medicare services billed in 2018
Return visit (30+ min)
23
$1,911
$80
2017: 1 service
Original Medicare services billed in 2017
Return visit (30+ min)
18
$1,300
$72
2016: 1 service
Original Medicare services billed in 2016
Return visit (30+ min)
19
$1,549
$77
2015: 1 service
Original Medicare services billed in 2015
Return visit (30+ min)
20
$1,732
$82
2014: 1 service
Original Medicare services billed in 2014
Return visit (30+ min)
16
$1,442
$85
2013: 1 service
Original Medicare services billed in 2013
Return visit (30+ min)
11
$996
$91
Money from drug and device companies
$14 in 2025
Industry payments by year
2025
1
1
—None
$14
2024
1
3
—None
$49
2023
3
7
$22,000
$22,035
2022
4
6
$15,000
$15,092
2021
4
4
$3,250
$3,308
2020
3
3
$7,250
$7,313
2019
2
2
—None
$20
Paid work is consulting, speaking, honoraria and royalties, as opposed to meals and travel.
See earlier years (2024, 2023, 2022, 2021, 2020, 2019)
2024: $49
Payments by company in 2024
Alcon Vision
Precision 1
$49
3 payments
Meals for Dailies Total1 · 2024-07-08 · $15
Meals for Precision 1 · 2024-03-07 · $18
Meals for Precision 1 · 2024-02-07 · $15
2023: $22,035
Payments by company in 2023
Heru
Heru Hmd
$22,000
5 payments
Consulting for Heru Hmd · 2023-06-27 · $3,000
Consulting for Heru Hmd · 2023-06-27 · $3,000
Consulting for Heru Hmd · 2023-05-09 · $6,000
Consulting for Heru Hmd · 2023-05-05 · $5,000
Consulting for Heru Hmd · 2023-05-02 · $5,000
Alcon Vision
Total30
$21
1 payment
Meals for Total30 · 2023-05-23 · $21
Bausch & Lomb Americas
Infuse
$14
1 payment
Meals for Infuse · 2023-07-17 · $14
2022: $15,092
Payments by company in 2022
Heru
Heru Hmd
$15,000
2 payments
Consulting for Heru Hmd · 2022-11-29 · $10,000
Consulting for Heru Hmd · 2022-06-15 · $5,000
Johnson & Johnson Vision Care
Acuvue
$55
2 payments
Meals for Acuvue · 2022-09-02 · $25
Meals for Acuvue · 2022-09-02 · $30
Bausch & Lomb Americas
Infuse
$23
1 payment
Meals for Infuse · 2022-07-06 · $23
Sight Sciences
Tearcare Smartlid
$13
1 payment
Meals for Tearcare Smartlid · 2022-05-26 · $13
2021: $3,308
Payments by company in 2021
Topcon Medical Systems
Rdx
$3,250
1 payment
Consulting for Rdx · 2021-04-14 · $3,250
Bausch & Lomb a division of Bausch Health US
Infuse
$24
1 payment
Meals for Infuse · 2021-06-09 · $24
Kala Pharmaceuticals
Inveltys
$23
1 payment
Meals for Inveltys · 2021-07-15 · $23
Johnson & Johnson Vision Care
Acuvue
$12
1 payment
Meals for Acuvue · 2021-10-07 · $12
2020: $7,313
Payments by company in 2020
Topcon Healthcare Solutions
Rdx
$7,250
1 payment
Consulting for Rdx · 2020-08-13 · $7,250
Johnson & Johnson Vision Care
Acuvue
$36
1 payment
Meals for Acuvue · 2020-01-24 · $36
ABB Con-Cise Optical Group
Contact Lens
$28
1 payment
Meals for Contact Lens · 2020-03-10 · $28
2019: $20
Payments by company in 2019
Bausch & Lomb a division of Bausch Health US
Ultra
$15
1 payment
Meals for Ultra · 2019-05-13 · $15
ABB Con-Cise Optical Group
Contact Lens
$5
1 payment
Meals for Contact Lens · 2019-05-03 · $5
Research money
Money a company paid to run a study. Where it went to their institution, the clinician is named as an investigator and did not receive it; the amount covers the whole study, often across many sites.
Research payments by company and study
TOPCON MEDICAL SYSTEMS, INC. · Nw500 Validation Study · 2022
Their institution
$4,800
TOPCON MEDICAL SYSTEMS, INC. · Chronos Study · 2020
Their institution
$4,750
TOPCON MEDICAL SYSTEMS, INC. · Trc-Nw500 · 2021
Their institution
$3,825
TOPCON HEALTHCARE SOLUTIONS, INC. · Oct-Maestro2 · 2021
Their institution
$3,075
TOPCON HEALTHCARE SOLUTIONS, INC. · Oct-Triton · 2021
Their institution
$725
Professional record
NPI
1245200773
Licence
CA 11116T
Trained
University of California - School of Optometry, 1999