Randall L. Tiesiera, D.D.S.
Dentist · Arnold, CA
Randall L. Tiesiera, D.D.S. is a dentist with a practice address in Arnold, California, and NPI 1518264654, issued on Feb 25, 2011. Check the license (California DDS26006, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Randall L. Tiesiera
- Credential
- D.D.S.
- Primary taxonomy
- Dentist 122300000X
- License number
- DDS26006 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1250 Oak Circle, Arnold, CA 95223
- Phone
- (209) 795-1334
- Enumerated
- Feb 25, 2011
- Record last updated
- Feb 25, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (209) 795-1610
- Entity
- Type 1 · individual
8 nearest dentist records → All 14,729 in California → Look up another NPI →
Verify Randall L. Tiesiera in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license DDS26006Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
36% fewer Medicare Part D claims than the average dentist in 2024
55 Medicare Part D claims for 41 beneficiaries, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D.
Most prescribed
- Amoxicillin33 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.
Randall L. Tiesiera among 14,729 dentist records in California
Randall L. Tiesiera, 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 2011, is newer than 54% of them.
- NPI issued2011 · 54% of these records are older, 43% 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 updated2011 · 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).
2 dentist records list a practice address in Arnold
They are 2 of the 23 NPPES records with a practice address in Arnold, and 14,729 dentist records in California.
All 14,729 in California → Every provider in Arnold → Dentist nationwide →
The 8 dentist records with the nearest ZIP codes
- David Arnold, DDSArnold, CA 952231073724936
- Gaston Arata, DDSStockton, CA 952191598917767
- Navid Azizi, DDSStockton, CA 952191104606425
- Jay Hislop, DDSStockton, CA 952191881807725
- Jongho KangStockton, CA 952191427883826
- Saba Khandani, DDSStockton, CA 952191942578877
- Kevin Lee, DDSStockton, CA 952191790510659
- Kenneth Graeme McKelvie, DDSStockton, CA 952191023909686
Common questions
What is Randall L. Tiesiera, D.D.S.'s NPI number?
Randall L. Tiesiera, D.D.S.'s National Provider Identifier (NPI) is 1518264654, issued on Feb 25, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Randall L. Tiesiera, D.D.S. located?
The NPPES record lists a practice address at 1250 Oak Circle, Arnold, CA, 95223. Phone: (209) 795-1334. Providers update this record themselves, so call before visiting.
How can I verify Randall L. Tiesiera, D.D.S.'s license?
NPPES lists California license number DDS26006, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Randall L. Tiesiera, D.D.S. prescribe under Medicare Part D?
In 2024, Randall L. Tiesiera, D.D.S. had 55 Medicare Part D claims for 41 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.