Ngoc Thuy Nguyen, MD
Family Medicine Physician · Grdn Grove, CA
Ngoc Thuy Nguyen, MD is a family medicine physician with a practice address in Grdn Grove, California, and NPI 1396844411, issued on Sep 22, 2006. Check the license (California 0A34740, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Ngoc Thuy Nguyen
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 0A34740 CA
Self-reported in NPPES; status is on the state search - Practice location
- 12302 Garden Grove Blvd #27, Grdn Grove, CA 92843
- Phone
- (714) 530-2772
- Enumerated
- Sep 22, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (714) 530-7424
- Medicare enrollment
- Enrolled (PECOS I20110725000119); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Verify Ngoc Thuy Nguyen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 0A34740Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
54% fewer Medicare Part D claims than the average family medicine physician in 2024
1,617 Medicare Part D claims for 113 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims.
Most prescribed
- Losartan Potassium154 claims
- Rosuvastatin Calcium102 claims
- Metformin Hcl94 claims
- Hydrochlorothiazide90 claims
- Atorvastatin Calcium77 claims
- Januvia75 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: $389.31
8 payments; by number, the most common kind was food and beverage; the largest payer was Vanda Pharmaceuticals Inc. The 55,478 providers of this specialty with any payment received $902.55 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.
Ngoc Thuy Nguyen among 17,133 family medicine physician records in California
Ngoc Thuy Nguyen, MD is one of 17,133 family medicine physician records with a practice address in California. 81% 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 6% of them.
- NPI issued2006 · 6% of these records are older, 59% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated1972 · median 2005 among the 10,652 with a school on file
- Record last updated2007 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Family Medicine Physician providers in California
There are 17,133 family medicine physician records in California.
All 17,133 in California → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Trieu Bui, DOGarden Grove, CA 928431548252505
- Hiep Dang, D.O.Garden Grove, CA 928431356328900
- Michael Dao, M.D.Garden Grove, CA 928431033182951
- Usha Dhar, M.D.Garden Grove, CA 928431699886846
- Jaclynn Do, M.D.Garden Grove, CA 928431366439051
- Thoa Do, MDGarden Grove, CA 928431982719597
- Said El-Zayat, M.D.Garden Grove, CA 928431215042866
- Ann Newsome, MDGarden Grove, CA 928431346285509
Common questions
What is Ngoc Thuy Nguyen, MD's NPI number?
Ngoc Thuy Nguyen, MD's National Provider Identifier (NPI) is 1396844411, issued on Sep 22, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Ngoc Thuy Nguyen, MD located?
The NPPES record lists a practice address at 12302 Garden Grove Blvd #27, Grdn Grove, CA, 92843. Phone: (714) 530-2772. Providers update this record themselves, so call before visiting.
How can I verify Ngoc Thuy Nguyen, MD's license?
NPPES lists California license number 0A34740, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Ngoc Thuy Nguyen, MD prescribe under Medicare Part D?
In 2024, Ngoc Thuy Nguyen, MD had 1,617 Medicare Part D claims for 113 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.