Ngoc Thach Thi Nguyen, DDS
Dentist · Modesto, CA
Ngoc Thach Thi Nguyen, DDS is a dentist with a practice address in Modesto, California, and NPI 1598311961, issued on Aug 12, 2019. Check the license (California 104040, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Ngoc Thach Thi Nguyen
- Credential
- DDS
- Primary taxonomy
- Dentist 122300000X
- License number
- 104040 CA
Self-reported in NPPES; status is on the state search - Practice location
- 4101 Tully RD Ste 601, Modesto, CA 95356
- Phone
- (209) 550-0522
- Enumerated
- Aug 12, 2019
- Record last updated
- Feb 18, 2026
- Fax
- (209) 550-0517
- Entity
- Type 1 · individual
8 nearest dentist records → All 14,729 in California → Look up another NPI →
Verify Ngoc Thach Thi Nguyen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 104040Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
72% fewer Medicare Part D claims than the average dentist in 2024
24 Medicare Part D claims for 11 beneficiaries, against an average of 86 among the 51,021 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.
Ngoc Thach Thi Nguyen among 14,729 dentist records in California
Ngoc Thach Thi Nguyen, DDS 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 2019, is newer than 78% of them.
- NPI issued2019 · 78% of these records are older, 19% 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 updated2026 · 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).
105 dentist records list a practice address in Modesto
They are 105 of the 9,262 NPPES records with a practice address in Modesto, and 14,729 dentist records in California.
All 14,729 in California → Every provider in Modesto → Dentist nationwide →
The 8 dentist records with the nearest ZIP codes
- Kristen Belo, DDSModesto, CA 953561366075988
- Valerie Buschor, DDSModesto, CA 953561932395365
- Nasrin Ergash, DMDModesto, CA 953561376901371
- Vineet Gangadharan, DDSModesto, CA 953561063247559
- Ramanpal Grewal, D.D.S.Modesto, CA 953561295984128
- Allen Hwang, DDSModesto, CA 953561639836091
- Peter Kim, DDSModesto, CA 953561215207733
- Stacy Lam, DDSModesto, CA 953561205726650
Common questions
What is Ngoc Thach Thi Nguyen, DDS's NPI number?
Ngoc Thach Thi Nguyen, DDS's National Provider Identifier (NPI) is 1598311961, issued on Aug 12, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Ngoc Thach Thi Nguyen, DDS located?
The NPPES record lists a practice address at 4101 Tully RD Ste 601, Modesto, CA, 95356. Phone: (209) 550-0522. Providers update this record themselves, so call before visiting.
How can I verify Ngoc Thach Thi Nguyen, DDS's license?
NPPES lists California license number 104040, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Ngoc Thach Thi Nguyen, DDS prescribe under Medicare Part D?
In 2024, Ngoc Thach Thi Nguyen, DDS had 24 Medicare Part D claims for 11 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.