Matthew Aaron Diercks, DDS
Dentist · Los Gatos
- Medicare standing
- 2 flags on the record
- Listed below.
- Plans that list them
- 1
- 1 carrier
- Office
- 1
On the public record
- Medicare does not list them as allowed to order and refer
- California licence: Delinquent
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. Diercks’s office at (408) 402-0900 to confirm they take your plan. Ask about the office you use, its medical group, referrals and appointments.
| AARP Medicare Advantage from UHC CA-10 (HMO-POS) | UnitedHealthcare | Listed, may be out of date | Jun 10, 2026 |
California Medical Board record
Licence G45678 · Delinquent
Licence status: Delinquent · since 1981 · expires 2024-09-30 · Temple University School of Medicine.
License renewal fee has not been paid. 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
$190
Pharmacies billed $190 in 2024.
This is pharmacy cost, not the office bill, and not what patients paid.
40 generic and 0 brand-name prescriptions · $190 in drug cost · 34 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.
| Amoxicillin | 17 | $57 | $3 |
Year by year
| 2024 | 40 | 30 | None | 0% | $190 |
| 2023 | 44 | 32 | None | 0% | $267 |
| 2022 | 51 | 30 | None | 0% | $280 |
| 2021 | 49 | 35 | None | 0% | $355 |
| 2020 | 31 | 25 | None | None | $184 |
| 2019 | 40 | 28 | None | 0% | $516 |
| 2018 | 40 | 22 | None | None | $853 |
| 2017 | 31 | 20 | None | 0% | $553 |
| 2016 | 33 | 25 | None | None | $826 |
| 2015 | 13 | None | None | 0% | $889 |
| 2014 | 38 | 21 | None | 0% | $1,833 |
| 2013 | 15 | 12 | None | None | $236 |
Part D prescriptions only. A drug prescribed to fewer than 11 people in a year is hidden.
See the drugs prescribed each year
2023: 1 drug
| Amoxicillin | 24 | $122 | $5 |
2022: 1 drug
| Amoxicillin | 31 | $151 | $5 |
2021: 2 drugs
| Amoxicillin-Clavulanate Potass | 15 | $164 | $11 |
| Amoxicillin | 17 | $76 | $4 |
2020: 1 drug
| Amoxicillin | 12 | $46 | $4 |
2019: 1 drug
| Amoxicillin | 19 | $107 | $6 |
2018: 1 drug
| Amoxicillin | 16 | $58 | $4 |
2014: 1 drug
| Amox Tr-Potassium Clavulanate | 12 | $223 | $19 |
Money from drug and device companies
$185 in 2025
| 2025 | 4 | 4 | None | $185 |
| 2024 | 1 | 2 | None | $44 |
| 2023 | 2 | 6 | None | $164 |
| 2022 | 2 | 13 | None | $639 |
| 2021 | 2 | 4 | None | $94 |
| 2020 | 1 | 1 | None | $27 |
| 2019 | 1 | 17 | None | $1,032 |
Paid work is consulting, speaking, honoraria and royalties, as opposed to meals and travel.
A payment is not proof that care is biased.
| Align Technology | Invisalign | $96 | 1 payment
|
| Straumann USA | None | $55 | 1 payment
|
| OraPharma a division of Bausch Health US | Arestin | $21 | 1 payment
|
| Philips North America | Oral Hygieneother | $14 | 1 payment
|
See all 4 published payments
| OraPharma a division of Bausch Health US | Meals · 2025-12-21 | Arestin | $21 |
| Philips North America | Meals · 2025-11-10 | Oral Hygieneother | $14 |
| Align Technology | Meals · 2025-05-06 | Invisalign | $96 |
| Straumann USA | Meals · 2025-02-08 | None | $55 |
See earlier years (2024, 2023, 2022, 2021, 2020, 2019)
2024: $44
| Straumann USA | None | $44 | 2 payments
|
2023: $164
| Straumann USA | None | $133 | 5 payments
|
| Dentsply Sirona | Waveone Gold Conform Fit | $32 | 1 payment
|
2022: $639
| Straumann USA | None | $608 | 12 payments
|
| Align Technology | Invisalign | $31 | 1 payment
|
2021: $94
| Straumann USA | None | $58 | 2 payments
|
| Align Technology | Invisalign | $35 | 2 payments
|
2020: $27
| Straumann USA | None | $27 | 1 payment
|
2019: $1,032
| Straumann USA | None | $1,032 | 17 payments
|
Professional record
- NPI
- 1669793857
- Licence
- CA 45678California G45678: Delinquent · expires 2024-09-30
More record details
- Sole proprietor
- Yes
- Taxonomy
- Federal specialty code 122300000X (122300000X)
- Mailing address
- 15951 Los Gatos Blvd, Ste 8, Los Gatos, CA, 95032
- NPI first listed
- 2010-06-22
- NPI last updated
- 2010-06-22
This is when the NPI record was last certified, not a medical board exam.