Mark James Warner, D.D.S.
Dentist · Fairfield, CA
Mark James Warner, D.D.S. is a dentist with a practice address in Fairfield, California, and NPI 1003188202, issued on Feb 2, 2012. Check the license (California 416913, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mark James Warner
- Credential
- D.D.S.
- Primary taxonomy
- Dentist 122300000X
- License number
- 416913 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1291 Oliver RD, Fairfield, CA 94534
- Phone
- (707) 422-7633
- Enumerated
- Feb 2, 2012
- Record last updated
- Feb 2, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (707) 422-2630
- Entity
- Type 1 · individual
8 nearest dentist records → All 14,729 in California → Look up another NPI →
Verify Mark James Warner in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 416913Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
72% fewer Medicare Part D claims than the average dentist in 2024
24 Medicare Part D claims for 13 beneficiaries, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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.
Industry payments in 2024: $54.09
1 payment: compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program; the largest payer was Septodont Inc. The 31,974 providers of this specialty with any payment received $540.36 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Mark James Warner among 14,729 dentist records in California
Mark James Warner, D.D.S. is one of 14,729 dentist records with a practice address in California. 56% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 57% of them.
- NPI issued2012 · 57% of these records are older, 40% newer
- In a Medicare fileYes · 56% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2012 · 73% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 122300000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
45 dentist records list a practice address in Fairfield
They are 45 of the 3,595 NPPES records with a practice address in Fairfield, and 14,729 dentist records in California.
All 14,729 in California → Every provider in Fairfield → Dentist nationwide →
The 8 dentist records with the nearest ZIP codes
- Kevin Adair, D.D.S.Fairfield, CA 945341245433978
- Mark Anderson, DDSFairfield, CA 945341780716969
- Manmohan Bajwa, DDSFairfield, CA 945341528113016
- Ricardo Flores, DDSFairfield, CA 945341982072526
- Steve Galvan, DDSFairfield, CA 945341306275482
- Matthew Kuzma, DDSFairfield, CA 945341699226365
- Alexander Meade, DDSFairfield, CA 945341073016820
- Christina Mendoza, DDSFairfield, CA 945341790112209
Common questions
What is Mark James Warner, D.D.S.'s NPI number?
Mark James Warner, D.D.S.'s National Provider Identifier (NPI) is 1003188202, issued on Feb 2, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Mark James Warner, D.D.S. located?
The NPPES record lists a practice address at 1291 Oliver RD, Fairfield, CA, 94534. Phone: (707) 422-7633. Providers update this record themselves, so call before visiting.
How can I verify Mark James Warner, D.D.S.'s license?
NPPES lists California license number 416913, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Mark James Warner, D.D.S. prescribe under Medicare Part D?
In 2024, Mark James Warner, D.D.S. had 24 Medicare Part D claims for 13 beneficiaries; the average among dentist prescribers was 86. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 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.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.