Medicare does not list them as allowed to order and refer
Offices
1 location
Plan participation
Not verified
We could not verify current plan participation for this doctor. This does not mean they are out of network. Call Dr. Zarkesh’s office at (408) 998-8008 to ask if they take your plan before you enroll.
California Medical Board record
Licence G43676 · Current
Licensed to practise in California · since 1980 · expires 2028-06-30 · Columbia University College of Physicians and Surgeons.
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
$659
Pharmacies billed $659 in 2024.
This is pharmacy cost, not the office bill, and not what patients paid.
79 generic and 0 brand-name prescriptions · $659 in drug cost · 41 antibiotic prescriptions to 29 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
Chlorhexidine Gluconate
16
$278
$14
Amoxicillin
22
$161
$5
Year by year
Part D prescribing by year
2024
79
33
—None
0%
$659
2023
57
24
21% (12)
0%
$340
2022
86
34
19% (16)
0%
$521
2021
40
20
—None
0%
$197
2020
48
19
—None
—None
$372
2019
82
29
—None
—None
$647
2018
73
27
22% (16)
—None
$704
2017
68
25
—None
—None
$646
2016
48
17
—None
—None
$435
2015
30
12
—None
—None
$240
2014
11
—None
—None
0%
$122
2013
15
—None
—None
—None
$333
Part D prescriptions only. A drug prescribed to fewer than 11 people in a year is hidden.
See the drugs prescribed each year
2023: 3 drugs
Part D drugs prescribed in 2023
Chlorhexidine Gluconate
17
$115
$7
Amoxicillin
17
$109
$6
Acetaminophen-Codeine
12
$70
$6
2022: 3 drugs
Part D drugs prescribed in 2022
Amoxicillin
35
$186
$5
Chlorhexidine Gluconate
22
$170
$8
Acetaminophen-Codeine
15
$80
$5
2021: 1 drug
Part D drugs prescribed in 2021
Amoxicillin
19
$92
$5
2020: 2 drugs
Part D drugs prescribed in 2020
Amoxicillin
17
$106
$6
Chlorhexidine Gluconate
12
$106
$9
2019: 2 drugs
Part D drugs prescribed in 2019
Chlorhexidine Gluconate
29
$249
$9
Amoxicillin
25
$136
$5
2018: 3 drugs
Part D drugs prescribed in 2018
Chlorhexidine Gluconate
18
$123
$7
Amoxicillin
23
$107
$5
Acetaminophen-Codeine
16
$83
$5
2017: 2 drugs
Part D drugs prescribed in 2017
Amoxicillin
24
$166
$7
Chlorhexidine Gluconate
18
$139
$8
2016: 2 drugs
Part D drugs prescribed in 2016
Amoxicillin
17
$105
$6
Chlorhexidine Gluconate
12
$81
$7
2015: 1 drug
Part D drugs prescribed in 2015
Amoxicillin
11
$59
$5
Money from drug and device companies
$59 in 2025
Industry payments by year
2025
3
3
—None
$59
2024
1
1
—None
$19
2023
3
3
—None
$59
2022
1
1
—None
$21
2021
1
1
—None
$35
2020
1
6
—None
$116
2019
1
4
—None
$83
Paid work is consulting, speaking, honoraria and royalties, as opposed to meals and travel.