Medicare does not list them as allowed to order and refer
Offices
1 location
Plans that list them
1 plan · 1 carrier
A missing listing does not mean out of network. Directories change, and a listing does not cover every office. Call Dr. Chen’s office at (408) 629-6704 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
Licence status: Cancelled · since 1981 · Creighton University School of Medicine.
License has been voluntarily canceled, or the license has been expired for at least five years and has not been renewed. No practice is permitted.
Matched on the licence number without its letter prefix; check the name before relying on it.
No disciplinary actions, convictions, malpractice judgments or citations in this record.
Drugs they prescribed that Part D paid
$288
Pharmacies billed $288 in 2024.
This is pharmacy cost, not the office bill, and not what patients paid.
37 generic and 0 brand-name prescriptions · $288 in drug cost · 26 antibiotic prescriptions to 21 people.
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
Clindamycin
13
$100
$6
Year by year
Part D prescribing by year
2024
37
24
—None
0%
$288
2023
61
33
—None
0%
$553
2022
113
57
—None
0%
$1,119
2021
123
59
10% (12)
—None
$969
2020
116
54
10% (11)
17%
$924
2019
81
46
—None
17%
$810
2018
90
49
—None
—None
$838
2017
84
40
—None
—None
$626
2016
94
41
—None
—None
$740
2015
101
43
—None
—None
$1,196
2014
67
35
—None
—None
$748
2013
71
32
—None
—None
$1,082
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
Clindamycin
28
$293
$10
Chlorhexidine Gluconate
11
$121
$11
2022: 3 drugs
Part D drugs prescribed in 2022
Clindamycin
40
$448
$11
Ibuprofen
35
$165
$5
Chlorhexidine Gluconate
12
$111
$9
2021: 3 drugs
Part D drugs prescribed in 2021
Clindamycin
51
$497
$10
Chlorhexidine Gluconate
14
$107
$8
Ibuprofen
23
$105
$5
2020: 3 drugs
Part D drugs prescribed in 2020
Clindamycin
47
$428
$9
Chlorhexidine Gluconate
18
$187
$10
Ibuprofen
21
$107
$5
2019: 2 drugs
Part D drugs prescribed in 2019
Clindamycin
35
$410
$12
Chlorhexidine Gluconate
12
$177
$15
2018: 2 drugs
Part D drugs prescribed in 2018
Clindamycin
52
$542
$10
Chlorhexidine Gluconate
15
$156
$10
2017: 3 drugs
Part D drugs prescribed in 2017
Clindamycin
35
$313
$9
Ibuprofen
11
$70
$6
Chlorhexidine Gluconate
12
$41
$3
2016: 4 drugs
Part D drugs prescribed in 2016
Clindamycin
30
$234
$8
Chlorhexidine Gluconate
23
$168
$7
Ibuprofen
14
$76
$5
Amoxicillin
11
$59
$5
2015: 3 drugs
Part D drugs prescribed in 2015
Clindamycin
35
$325
$9
Chlorhexidine Gluconate
25
$234
$9
Amoxicillin
11
$81
$7
2014: 3 drugs
Part D drugs prescribed in 2014
Clindamycin
17
$210
$12
Amoxicillin
13
$130
$10
Chlorhexidine Gluconate
17
$116
$7
2013: 1 drug
Part D drugs prescribed in 2013
Chlorhexidine Gluconate
25
$284
$11
Money from drug and device companies
$44 in 2025
Industry payments by year
2025
1
2
—None
$44
2023
1
2
—None
$56
2022
1
12
—None
$262
2021
2
17
—None
$1,495
2020
2
9
$1,000
$1,111
2019
2
17
—None
$5,404
Paid work is consulting, speaking, honoraria and royalties, as opposed to meals and travel.