NPPES file of Aug 9, 2026

Rosette Dinh Nguyen, DDS, MPH

Endodontics · Saratoga, CA

Rosette Dinh Nguyen, DDS, MPH is an endodontics with a practice address in Saratoga, California, and NPI 1699799890, issued on Jul 27, 2006. Check the license (California 47768, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1699799890
Name
Rosette Dinh Nguyen
Credential
DDS, MPH
Primary taxonomy
Endodontics 1223E0200X
License number
47768 CA
Self-reported in NPPES; status is on the state search
Practice location
18988 Cox Ave, Saratoga, CA 95070
Phone
(408) 252-5700
Enumerated
Jul 27, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(408) 252-5702
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 18988 Cox Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Frank Noodleman, M.D.MOHS-Micrographic Surgery Physician1285772152
  2. Alan Wong, M.D.Internal Medicine Physician1548312283

Verify Rosette Dinh Nguyen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license 47768
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the California license search

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64% fewer Medicare Part D claims than the average endodontics in 2024

44 Medicare Part D claims for 35 beneficiaries, against an average of 121 among the 4,119 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Rosette Nguyen44
  2. Specialty average121

Most prescribed

  1. Azithromycin17 claims
  2. Penicillin V Potassium17 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.

Rosette Dinh Nguyen among 1,018 endodontics records in California

Rosette Dinh Nguyen, DDS, MPH is one of 1,018 endodontics records with a practice address in California. 68% 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 2% of them.

  • NPI issued2006 · 2% of these records are older, 73% newer
  • In a Medicare fileYes · 68% of these records are
  • In the CMS Doctors and Clinicians fileNo · under 1% of these records are
  • Record last updated2007 · 78% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223E0200X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

5 endodontics records list a practice address in Saratoga

They are 5 of the 306 NPPES records with a practice address in Saratoga, and 1,018 endodontics records in California.

The 8 endodontics records with the nearest ZIP codes

  1. Heather Kim, DDSSaratoga, CA 950701619632957
  2. Frances Lee, D.D.S.Saratoga, CA 950701780730341
  3. Ronald Oleson, D.D.S.Saratoga, CA 950701366571143
  4. James Sanfilippo, DDSSaratoga, CA 950701568518660
  5. John Jimenez, DDSSoquel, CA 950731922196872
  6. Saman Deljoui, D.M.D.Santa Cruz, CA 950651851522866
  7. William Francis, DDSSanta Cruz, CA 950651770502171
  8. William Kuhn, DDSSanta Cruz, CA 950651528285327

Common questions

What is Rosette Dinh Nguyen, DDS, MPH's NPI number?

Rosette Dinh Nguyen, DDS, MPH's National Provider Identifier (NPI) is 1699799890, issued on Jul 27, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Rosette Dinh Nguyen, DDS, MPH located?

The NPPES record lists a practice address at 18988 Cox Ave, Saratoga, CA, 95070. Phone: (408) 252-5700. Providers update this record themselves, so call before visiting.

How can I verify Rosette Dinh Nguyen, DDS, MPH's license?

NPPES lists California license number 47768, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Rosette Dinh Nguyen, DDS, MPH prescribe under Medicare Part D?

In 2024, Rosette Dinh Nguyen, DDS, MPH had 44 Medicare Part D claims for 35 beneficiaries; the average among endodontics prescribers was 121. 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.