Dennis Shing Der Chen, DDS
Periodontics · Cupertino
- Medicare standing
- 1 flag on the record
- Listed below.
- Plans that list them
- Not verified
- Not the same as out of network.
- Office
- 1
On the public record
- 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. Chen’s office at (408) 996-3191 to ask if they take your plan before you enroll.
California Medical Board record
Licence C34475 · Cancelled
Licence status: Cancelled · since 1972 · University of Nebraska College 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
$1,038
Pharmacies billed $1,038 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 151) in 2024. At or below the middle of the specialty; the typical dentist clinician is at 0%.
151 generic and 0 brand-name prescriptions · $1,038 in drug cost · 75 antibiotic prescriptions to 58 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.
| Chlorhexidine Gluconate | 56 | $551 | $8 |
| Amoxicillin-Clavulanate Potass | 27 | $236 | $8 |
| Amoxicillin | 29 | $151 | $5 |
Year by year
| 2024 | 151 | 60 | 0% (0) | 0% | $1,038 |
| 2023 | 109 | 45 | 0% (0) | 0% | $903 |
| 2022 | 113 | 48 | 0% (0) | 0% | $930 |
| 2021 | 93 | 36 | None | 0% | $593 |
| 2020 | 72 | 31 | 0% (0) | 0% | $631 |
| 2019 | 111 | 41 | 0% (0) | 0% | $1,040 |
| 2018 | 90 | 37 | None | 0% | $870 |
| 2017 | 89 | 38 | 0% (0) | 0% | $898 |
| 2016 | 86 | 35 | 0% (0) | 0% | $830 |
| 2015 | 65 | 26 | None | None | $703 |
| 2014 | 63 | 22 | 0% (0) | None | $631 |
| 2013 | 55 | 22 | None | None | $563 |
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
| Amoxicillin-Clavulanate Potass | 30 | $403 | $13 |
| Chlorhexidine Gluconate | 51 | $314 | $6 |
| Amoxicillin | 19 | $95 | $5 |
2022: 3 drugs
| Chlorhexidine Gluconate | 56 | $417 | $7 |
| Amoxicillin-Clavulanate Potass | 23 | $339 | $15 |
| Amoxicillin | 30 | $153 | $5 |
2021: 3 drugs
| Amoxicillin-Clavulanate Potass | 23 | $259 | $11 |
| Chlorhexidine Gluconate | 43 | $234 | $5 |
| Amoxicillin | 20 | $73 | $4 |
2020: 3 drugs
| Chlorhexidine Gluconate | 33 | $229 | $7 |
| Amoxicillin-Clavulanate Potass | 16 | $215 | $13 |
| Amoxicillin | 18 | $92 | $5 |
2019: 3 drugs
| Chlorhexidine Gluconate | 54 | $528 | $10 |
| Amoxicillin-Clavulanate Potass | 21 | $295 | $14 |
| Amoxicillin | 30 | $182 | $6 |
2018: 3 drugs
| Amoxicillin-Clavulanate Potass | 27 | $381 | $14 |
| Chlorhexidine Gluconate | 44 | $350 | $8 |
| Amoxicillin | 14 | $86 | $6 |
2017: 3 drugs
| Amoxicillin-Clavulanate Potass | 29 | $444 | $15 |
| Chlorhexidine Gluconate | 41 | $329 | $8 |
| Amoxicillin | 15 | $95 | $6 |
2016: 3 drugs
| Amoxicillin-Clavulanate Potass | 19 | $298 | $16 |
| Chlorhexidine Gluconate | 36 | $252 | $7 |
| Amoxicillin | 22 | $134 | $6 |
2015: 2 drugs
| Amoxicillin-Clavulanate Potass | 18 | $316 | $18 |
| Chlorhexidine Gluconate | 28 | $267 | $10 |
2014: 3 drugs
| Chlorhexidine Gluconate | 26 | $254 | $10 |
| Amox Tr-Potassium Clavulanate | 13 | $191 | $15 |
| Amoxicillin | 13 | $80 | $6 |
2013: 2 drugs
| Amox Tr-Potassium Clavulanate | 11 | $220 | $20 |
| Chlorhexidine Gluconate | 23 | $184 | $8 |
Money from drug and device companies
$152 in 2025
| 2025 | 2 | 7 | None | $152 |
| 2024 | 1 | 9 | None | $180 |
| 2023 | 2 | 11 | None | $313 |
| 2022 | 1 | 1 | None | $40 |
| 2021 | 2 | 3 | None | $148 |
Paid work is consulting, speaking, honoraria and royalties, as opposed to meals and travel.
A payment is not proof that care is biased.
| PureLife | None | $90 | 5 payments
|
| Straumann USA | None | $62 | 2 payments
|
See all 7 published payments
| Straumann USA | Meals · 2025-09-20 | None | $40 |
| PureLife | Gift · 2025-06-06 | None | $50 |
| PureLife | Gift · 2025-06-06 | None | $10 |
| PureLife | Gift · 2025-06-06 | None | $10 |
| PureLife | Gift · 2025-06-06 | None | $10 |
| PureLife | Gift · 2025-06-06 | None | $10 |
| Straumann USA | Meals · 2025-05-13 | None | $22 |
See earlier years (2024, 2023, 2022, 2021)
2024: $180
| Straumann USA | None | $180 | 9 payments
|
2023: $313
| Straumann USA | None | $232 | 10 payments
|
| Implant Direct Sybron International | Nobelactive | $82 | 1 payment
|
2022: $40
| Implant Direct Sybron International | None | $40 | 1 payment
|
2021: $148
| Ultradent Products | Dental and Orthodontic Supplies | $122 | 1 payment
|
| Straumann USA | None | $26 | 2 payments
|
Professional record
- NPI
- 1871627943
- Licence
- CA 34475California C34475: Cancelled
More record details
- Sole proprietor
- No
- Taxonomy
- Federal specialty code 1223P0300X (1223P0300X)
- Mailing address
- 10430 S De Anza Blvd, Suite 185, Cupertino, CA, 95014
- NPI first listed
- 2007-03-14
- NPI last updated
- 2020-03-09
- NPI record certified
- 2020-03-09
This is when the NPI record was last certified, not a medical board exam.