Clifford Marks, D.D.S.
General Practice Dentistry · Campbell, CA
Clifford Marks, D.D.S. is a general practice dentistry with a practice address in Campbell, California, and NPI 1396741484, issued on Jun 22, 2005. Check the license (California 35143, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Clifford Marks
- Credential
- D.D.S.
- Primary taxonomy
- General Practice Dentistry 1223G0001X
- License number
- 35143 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1580 Winchester Blvd, Campbell, CA 95008
- Phone
- (408) 378-3489
- Enumerated
- Jun 22, 2005
- Entity
- Type 1 · individual
Also registered at 1580 Winchester Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- William.. Brownridge, D.D.S.General Practice Dentistry1669580254
- James Carter, D.D.S.General Practice Dentistry1194736967
- Farnoush Drexel, DDSGeneral Practice Dentistry1326166174
- Donald Foulk, D.D.S.General Practice Dentistry1508870528
- Thomas Hughes, DDSGeneral Practice Dentistry1699885566
- Sona Khinvasara, D.D.S.General Practice Dentistry1700192838
Verify Clifford Marks in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 35143Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
68% fewer Medicare Part D claims than the average general practice dentistry in 2024
27 Medicare Part D claims for 14 beneficiaries, against an average of 84 among the 68,591 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Amoxicillin11 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
28 general practice dentistry records list a Campbell practice address
They are 28 of the 1,821 NPPES records with a Campbell practice address, and 17,740 general practice dentistry records in California.
All 28 in Campbell → All 17,740 in California → Every provider in Campbell →
Other general practice dentistry records in California
- Ronald Aanerud, DDSSan Diego, CA1871752931
- Steven Aaronson, D.D.S.Santa Monica, CA1265455851
- Shahrzad Aarup, DDSPomona, CA1265784367
- Al Abad, DDSSan Jose, CA1104992148
- Erwin Abad, D.D.S.Canoga Park, CA1861590093
- Francine Abad, DDSSan Francisco, CA1942700810
- Maria Abad, D.D.S.Norwalk, CA1215006754
- Mark Ryan Abad, DDSDaly City, CA1770357394
- Sanaz Abadi, D.D.S.Los Angeles, CA1699934026
- Ernesto Abadilla, DDSPalm Desert, CA1508063801
Common questions
What is Clifford Marks, D.D.S.'s NPI number?
Clifford Marks, D.D.S.'s National Provider Identifier (NPI) is 1396741484, issued on Jun 22, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Clifford Marks, D.D.S. located?
The NPPES record lists a practice address at 1580 Winchester Blvd, Campbell, CA, 95008. Phone: (408) 378-3489. Providers update this record themselves, so call before visiting.
How can I verify Clifford Marks, D.D.S.'s license?
NPPES lists California license number 35143, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Clifford Marks, D.D.S. prescribe under Medicare Part D?
In 2024, Clifford Marks, D.D.S. had 27 Medicare Part D claims for 14 beneficiaries; the average among general practice dentistry prescribers was 84. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.