Diane Trimingham Niles, D.D.S.
General Practice Dentistry · Santa Rosa, CA
Diane Trimingham Niles, D.D.S. is a general practice dentistry with a practice address in Santa Rosa, California, and NPI 1679584700, issued on Aug 11, 2006. Check the license (California 34785, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Diane Trimingham Niles
- Credential
- D.D.S.
- Primary taxonomy
- General Practice Dentistry 1223G0001X
- License number
- 34785 CA
Self-reported in NPPES; status is on the state search - Practice location
- 76 Doctors Park Dr, Santa Rosa, CA 95405
- Phone
- (707) 542-7577
- Enumerated
- Aug 11, 2006
- Record last updated
- Jan 11, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (707) 542-7829
- Entity
- Type 1 · individual
8 nearest general practice dentistry records → All 17,852 in California → Look up another NPI →
Also registered at 76 Doctors Park Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Allen Barbieri, DDSDentist1104992015
Verify Diane Trimingham Niles in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 34785Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
86% fewer Medicare Part D claims than the average general practice dentistry in 2024
12 Medicare Part D claims for 12 beneficiaries, against an average of 83 among the 70,290 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.
Diane Trimingham Niles among 17,852 general practice dentistry records in California
Diane Trimingham Niles, D.D.S. is one of 17,852 general practice dentistry records with a practice address in California. 57% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 3% of them.
- NPI issued2006 · 3% of these records are older, 71% newer
- In a Medicare fileYes · 57% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2010 · 79% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223G0001X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
114 general practice dentistry records list a practice address in Santa Rosa
They are 114 of the 6,884 NPPES records with a practice address in Santa Rosa, and 17,852 general practice dentistry records in California.
All 17,852 in California → Every provider in Santa Rosa → General Practice Dentistry nationwide →
The 8 general practice dentistry records with the nearest ZIP codes
- Kamran Azmoudeh, D.D.S.Santa Rosa, CA 954051619076288
- Jeffrey Bean, D.D.S.Santa Rosa, CA 954051609866888
- Conrad Block, DDSSanta Rosa, CA 954051285738450
- Anthony Fernandez, D.D.S.Santa Rosa, CA 954051275625717
- James Forni, D.D.S.Santa Rosa, CA 954051376532986
- Warren Francis, D.D.S.Santa Rosa, CA 954051952321838
- David Harris, D.D.S.Santa Rosa, CA 954051275523987
- Kevin Jeffers, D.D.S.Santa Rosa, CA 954051184725830
Common questions
What is Diane Trimingham Niles, D.D.S.'s NPI number?
Diane Trimingham Niles, D.D.S.'s National Provider Identifier (NPI) is 1679584700, issued on Aug 11, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Diane Trimingham Niles, D.D.S. located?
The NPPES record lists a practice address at 76 Doctors Park Dr, Santa Rosa, CA, 95405. Phone: (707) 542-7577. Providers update this record themselves, so call before visiting.
How can I verify Diane Trimingham Niles, D.D.S.'s license?
NPPES lists California license number 34785, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Diane Trimingham Niles, D.D.S. prescribe under Medicare Part D?
In 2024, Diane Trimingham Niles, D.D.S. had 12 Medicare Part D claims for 12 beneficiaries; the average among general practice dentistry prescribers was 83. 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.