Clifford Owen Marks, DDS
General Practice · Campbell
- Medicare standing
- 2 flags on the record
- Listed below.
- Plans that list them
- Not verified
- Not the same as out of network.
- Office
- 1
On the public record
- California licence: Revoked
- 2 Medical Board actions on record
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. Marks’s office at (408) 378-3489 to ask if they take your plan before you enroll.
California Medical Board record
Licence G35143 · Deceased
Licence status: Deceased · since 1977 · University of California, San Diego School of Medicine. Board flags: Revoked, Felony Conviction.
Licensee is deceased.
Matched on the licence number without its letter prefix; check the name before relying on it.
Public record actions
| 1994-01-21 | Board disciplineDiscipline | Revoked. · 10 1993025386 |
| 1993-05-04 | Felony convictionDiscipline | Pled guilty to one count section 653(F)(B) - PC (solicitation to commit murder). · San diego county superior court · CR 137876 · 6 years state prison. |
Medicaid work
$364 in 2018
Medicaid paid $364 for 13 billed services this clinician did in 2018, up to 12 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.
| Service | 13 | $364 |
| 2018 | 13 | 1 | 12 | $364 |
Drugs they prescribed that Part D paid
$136
Pharmacies billed $136 in 2024.
This is pharmacy cost, not the office bill, and not what patients paid.
27 generic and 0 brand-name prescriptions · $136 in drug cost · 15 antibiotic prescriptions to 11 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 | 11 | $39 | $4 |
Year by year
| 2024 | 27 | 14 | None | 0% | $136 |
| 2023 | 32 | 20 | None | None | $233 |
| 2022 | 42 | 20 | None | None | $425 |
| 2021 | 20 | 13 | None | None | $115 |
| 2020 | 32 | 16 | None | None | $273 |
| 2019 | 28 | 15 | None | None | $299 |
| 2018 | 24 | None | None | 0% | $178 |
| 2017 | 39 | 15 | None | None | $346 |
| 2016 | 37 | 13 | 0% (0) | None | $259 |
| 2015 | 68 | 14 | None | None | $703 |
| 2014 | 40 | 13 | None | None | $711 |
| 2013 | 14 | None | None | None | $119 |
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 | 16 | $72 | $5 |
2022: 1 drug
| Amoxicillin | 13 | $66 | $5 |
2020: 1 drug
| Chlorhexidine Gluconate | 12 | $81 | $7 |
2017: 1 drug
| Amoxicillin | 14 | $90 | $6 |
2016: 2 drugs
| Chlorhexidine Gluconate | 11 | $58 | $5 |
| Lidocaine Hcl Viscous | 11 | $34 | $3 |
2015: 3 drugs
| Doxycycline Hyclate | 12 | $311 | $26 |
| Chlorhexidine Gluconate | 16 | $79 | $5 |
| Lidocaine Hcl Viscous | 13 | $41 | $3 |
Money from drug and device companies
$304 in 2025
| 2025 | 1 | 3 | None | $304 |
| 2023 | 2 | 5 | $39 | $118 |
| 2022 | 1 | 3 | None | $63 |
| 2021 | 4 | 10 | None | $383 |
| 2020 | 5 | 6 | None | $179 |
| 2019 | 3 | 6 | None | $316 |
Paid work is consulting, speaking, honoraria and royalties, as opposed to meals and travel.
A payment is not proof that care is biased.
| Straumann USA | None | $304 | 3 payments
|
See all 3 published payments
| Straumann USA | Meals · 2025-09-13 | None | $15 |
| Straumann USA | Meals · 2025-03-17 | None | $39 |
| Straumann USA | Education · 2025-03-14 | None | $250 |
See earlier years (2023, 2022, 2021, 2020, 2019)
2023: $118
| Straumann USA | None | $88 | 4 payments
|
| Zimvie | Tsx Implants | $30 | 1 payment
|
2022: $63
| Straumann USA | None | $63 | 3 payments
|
2021: $383
| BioHorizons Implant Systems | Biohorizons Dental Implants- Trx3810 | $319 | 7 payments
|
| Dentsply Sirona | Ankylos | $33 | 1 payment
|
| Straumann USA | None | $16 | 1 payment
|
| Zimmer Biomet Holdings | Tsv 4mm Machined Collar Mtx | $15 | 1 payment
|
2020: $179
| BioHorizons Implant Systems | Biohorizons Dental Implants | $60 | 1 payment
|
| Straumann USA | None | $50 | 1 payment
|
| Dentsply Sirona | Ankylos | $28 | 2 payments
|
| Zimmer Biomet Holdings | Tsv 4mm Machined Collar Mtx | $22 | 1 payment
|
| Align Technology | Invisalign | $20 | 1 payment
|
2019: $316
| Dentsply Sirona | Ankylos | $120 | 1 payment
|
| Straumann USA | None | $115 | 3 payments
|
| Zimmer Biomet Holdings | All T3 Implants | $81 | 2 payments
|
Professional record
- NPI
- 1396741484
- Licence
- CA 35143California G35143: Deceased
More record details
- Sole proprietor
- Yes
- Medicaid ID
- CA B35143
- Taxonomy
- Federal specialty code 1223G0001X (1223G0001X)
- Mailing address
- 1580 Winchester Blvd, Ste 303, Campbell, CA, 95008
- NPI first listed
- 2005-06-22
- NPI last updated
- 2008-06-21
This is when the NPI record was last certified, not a medical board exam.