James B. Duhamel, DDS
General Practice Dentistry · Valley Springs, CA
James B. Duhamel, DDS is a general practice dentistry with a practice address in Valley Springs, California, and NPI 1730173162, issued on Aug 31, 2005. Check the license (California 23820, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- James B. Duhamel
- Credential
- DDS
- Primary taxonomy
- General Practice Dentistry 1223G0001X
- License number
- 23820 CA
Self-reported in NPPES; status is on the state search - Practice location
- 13 Main St, Valley Springs, CA 95252
- Phone
- (209) 772-9649
- Enumerated
- Aug 31, 2005
- Record last updated
- Apr 29, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (209) 772-2415
- Medicare enrollment
- Enrolled (PECOS I20040729000631); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest general practice dentistry records → All 17,852 in California → Look up another NPI →
Also registered at 13 Main St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- James Green, DDSDentist1245244250
Verify James B. Duhamel in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 23820Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
76% fewer Medicare Part D claims than the average general practice dentistry in 2024
20 Medicare Part D claims for 17 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
- Amoxicillin16 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: $18.74
1 payment: food and beverage; the largest payer was Align Technology, Inc. The 41,669 providers of this specialty with any payment received $597.01 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.
James B. Duhamel among 17,852 general practice dentistry records in California
James B. Duhamel, DDS 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 97% newer
- In a Medicare fileYes · 57% of these records are
- In the CMS Doctors and Clinicians fileYes · under 1% of these records are
- Graduated1973 · median 2009 among the 95 with a school on file
- Record last updated2019 · 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).
3 general practice dentistry records list a practice address in Valley Springs
They are 3 of the 57 NPPES records with a practice address in Valley Springs, and 17,852 general practice dentistry records in California.
All 17,852 in California → Every provider in Valley Springs → General Practice Dentistry nationwide →
The 8 general practice dentistry records with the nearest ZIP codes
- Margaret McInerney, D.M.D.Valley Springs, CA 952521083914642
- Stephanie Yang, DDSValley Springs, CA 952521205240066
- Susan Abeldt, D.D.S.San Andreas, CA 952491174816425
- Dennis Baluyut, D.M.D.San Andreas, CA 952491669560793
- Cesar Clarin, DDSSan Andreas, CA 952491366613218
- Bruce Dunwell, DDSSan Andreas, CA 952491366451056
- Thanh Pham, D.D.S.San Andreas, CA 952491922551803
- David Ritchie, D.D.S.San Andreas, CA 952491235128687
Common questions
What is James B. Duhamel, DDS's NPI number?
James B. Duhamel, DDS's National Provider Identifier (NPI) is 1730173162, issued on Aug 31, 2005. An NPI identifies a provider in billing; it is not a license.
Where is James B. Duhamel, DDS located?
The NPPES record lists a practice address at 13 Main St, Valley Springs, CA, 95252. Phone: (209) 772-9649. Providers update this record themselves, so call before visiting.
How can I verify James B. Duhamel, DDS's license?
NPPES lists California license number 23820, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does James B. Duhamel, DDS prescribe under Medicare Part D?
In 2024, James B. Duhamel, DDS had 20 Medicare Part D claims for 17 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.