Dwight Daniel Simpson, D.D.S.
General Practice Dentistry · Jackson, CA
Dwight Daniel Simpson, D.D.S. is a general practice dentistry with a practice address in Jackson, California, and NPI 1831240951, issued on Jan 16, 2007. Check the license (California 40117, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Dwight Daniel Simpson
- Credential
- D.D.S.
- Primary taxonomy
- General Practice Dentistry 1223G0001X
- License number
- 40117 CA
Self-reported in NPPES; status is on the state search - Practice location
- 100 French Bar RD Ste 101, Jackson, CA 95642
- Phone
- (209) 223-2712
- Enumerated
- Jan 16, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (209) 223-2719
- Entity
- Type 1 · individual
8 nearest general practice dentistry records → All 17,852 in California → Look up another NPI →
Also registered at 100 French Bar RD Ste 101
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ronney Ask, D.D.S.General Practice Dentistry1417005950
Verify Dwight Daniel Simpson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 40117Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
43% fewer Medicare Part D claims than the average general practice dentistry in 2024
47 Medicare Part D claims for 39 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.
Most prescribed
- Amoxicillin29 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.
Dwight Daniel Simpson among 17,852 general practice dentistry records in California
Dwight Daniel Simpson, 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 2007, is newer than 29% of them.
- NPI issued2007 · 29% of these records are older, 40% 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 updated2007 · 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).
11 general practice dentistry records list a practice address in Jackson
They are 11 of the 295 NPPES records with a practice address in Jackson, and 17,852 general practice dentistry records in California.
All 17,852 in California → Every provider in Jackson → General Practice Dentistry nationwide →
The 8 general practice dentistry records with the nearest ZIP codes
- Ronney Ask, D.D.S.Jackson, CA 956421417005950
- Romeo Dipasupil, DDSJackson, CA 956421548470024
- Harpreet Gill, DDSJackson, CA 956421851484794
- Craig Kinzer, DDSJackson, CA 956421922150648
- Edward Montalbo, DMDJackson, CA 956421508905670
- Leon Roda, D.D.S.Jackson, CA 956421154472025
- Nina Tecson, DDSJackson, CA 956421477840700
- Sharon Tu, DMDJackson, CA 956421013806900
Common questions
What is Dwight Daniel Simpson, D.D.S.'s NPI number?
Dwight Daniel Simpson, D.D.S.'s National Provider Identifier (NPI) is 1831240951, issued on Jan 16, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Dwight Daniel Simpson, D.D.S. located?
The NPPES record lists a practice address at 100 French Bar RD Ste 101, Jackson, CA, 95642. Phone: (209) 223-2712. Providers update this record themselves, so call before visiting.
How can I verify Dwight Daniel Simpson, D.D.S.'s license?
NPPES lists California license number 40117, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Dwight Daniel Simpson, D.D.S. prescribe under Medicare Part D?
In 2024, Dwight Daniel Simpson, D.D.S. had 47 Medicare Part D claims for 39 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.