A missing listing does not mean out of network. Directories change, and a listing does not cover every office. Call Dr. Nguyen’s office at (408) 885-5000 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 2010 · expires 2028-08-31 · Ross University School of Medicine.
No disciplinary actions, convictions, malpractice judgments or citations in this record.
Original Medicare doctor bills
$9,785
Medicare paid this office $9,785 for 63 people.
This is what Medicare paid the clinician — not Medicare Advantage, and not the pharmacy.
Largest Original Medicare bills
Psychiatric diagnostic evaluation with medical services
63
$9,785
$140
Who their Medicare patients are
63 Original Medicare patients in 2024. Average age 52 · Under 65 83% · 85 and older 0% · Women 33% · Health risk score 1.73. Above the middle of the specialty; the typical psychiatry clinician is at 1.35.
Conditions among them: High blood pressure 60% · Depression 43% · Diabetes 38% · COPD 21%.
The office billed $639,536, Medicare allowed $13,114 and paid $9,785; for 70 services of 1 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
63
70
52
1.73
$639,536
$9,785
2023
58
67
52
1.77
$397,626
$9,159
2022
47
54
49
1.58
$312,980
$7,829
2021
53
64
50
1.85
$289,002
$9,098
2020
94
114
50
1.36
$265,548
$12,789
2019
104
120
52
1.67
$293,730
$13,930
2018
105
117
53
1.67
$263,868
$13,604
2017
93
125
51
1.50
$283,150
$12,181
2016
57
97
59
1.48
$143,597
$6,972
2015
83
92
53
1.59
$163,941
$9,437
2014
75
95
51
1.05
$105,330
$7,089
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
Psychiatric diagnostic evaluation with medical services
58
$9,159
$137
2022: 1 service
Original Medicare services billed in 2022
Psychiatric diagnostic evaluation with medical services
47
$7,829
$145
2021: 1 service
Original Medicare services billed in 2021
Psychiatric diagnostic evaluation with medical services
53
$9,098
$142
2020: 1 service
Original Medicare services billed in 2020
Psychiatric diagnostic evaluation with medical services
94
$12,789
$112
2019: 1 service
Original Medicare services billed in 2019
Psychiatric diagnostic evaluation with medical services
104
$13,930
$116
2018: 1 service
Original Medicare services billed in 2018
Psychiatric diagnostic evaluation with medical services
105
$13,604
$116
2017: 1 service
Original Medicare services billed in 2017
Psychiatric diagnostic evaluation with medical services
91
$12,169
$116
2016: 1 service
Original Medicare services billed in 2016
Psychiatric diagnostic evaluation with medical services
55
$6,620
$110
2015: 1 service
Original Medicare services billed in 2015
Psychiatric diagnostic evaluation with medical services
73
$9,138
$113
2014: 2 services
Original Medicare services billed in 2014
Psychiatric diagnostic evaluation with medical services
42
$5,446
$121
Short return visit (20+ min)
25
$1,069
$33
Medicaid work
$0 in 2022
Medicaid paid $0 for 14 billed services this clinician did in 2022, up to 14 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 2022
Family psychotherapy (conjoint psychotherapy) (with patient present), 50 minutes
14
$0
Medicaid work by year
2022
14
1
14
$0
2021
124
2
22
$30,816
2020
191
3
26
$43,321
2019
385
4
34
$82,928
2018
566
5
46
$131,453
See the largest Medicaid services in earlier years
2021
Largest Medicaid services in 2021
Clinic visit/encounter, all-inclusive
67
$30,445
Short return visit (20+ min)
57
$371
2020
Largest Medicaid services in 2020
Clinic visit/encounter, all-inclusive
138
$43,201
Short return visit (20+ min)
35
$120
Telephone evaluation and management service by a physician or other qualified health care professional who may report evaluation and management services provided to an established patient, parent, or guardian not originating from a related E/M service provided within the previous 7 days nor leading to an E/M service or procedure within the next 24 hours or soonest available appointment; 11-20 minutes of medical discussion
18
$0
2019
Largest Medicaid services in 2019
Clinic visit/encounter, all-inclusive
267
$82,415
Short return visit (20+ min)
75
$513
Family psychotherapy (without the patient present), 50 minutes
31
$0
Family psychotherapy (conjoint psychotherapy) (with patient present), 50 minutes
12
$0
2018
Largest Medicaid services in 2018
Clinic visit/encounter, all-inclusive
405
$130,841
Short return visit (20+ min)
64
$613
Family psychotherapy (without the patient present), 50 minutes
51
$0
Family psychotherapy (conjoint psychotherapy) (with patient present), 50 minutes
30
$0
Federally qualified health center (fqhc) visit, established patient; a medically-necessary, face-to-face encounter (one-on-one) between an established patient and a fqhc practitioner during which time one or more fqhc services are rendered and includes a typical bundle of medicare-covered services that would be furnished per diem to a patient receiving a fqhc visit
16
$0
Drugs they prescribed that Part D paid
$294
Pharmacies billed $294 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 57) in 2024. At or below the middle of the specialty; the typical psychiatry clinician is at 0%.
57 generic and 0 brand-name prescriptions · $294 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
Olanzapine
11
$37
$3
Year by year
Part D prescribing by year
2024
57
26
0% (0)
0%
$294
2023
114
56
0% (0)
—None
$4,111
2022
149
73
0% (0)
—None
$3,733
2021
541
104
0% (0)
2%
$13,642
2020
1,068
138
0% (0)
6%
$145,891
2019
1,076
117
—None
6%
$293,709
2018
1,366
154
0% (0)
5%
$82,377
2017
1,887
162
0% (0)
12%
$183,507
2016
2,177
171
—None
15%
$270,231
2015
1,392
111
0% (0)
16%
$208,191
2014
826
80
0% (0)
17%
$112,651
2013
619
71
0% (0)
22%
$86,621
Part D prescriptions only. A drug prescribed to fewer than 11 people in a year is hidden.