Ngoc Giao Thi Nguyen, MD
Family Medicine Physician · Laguna Niguel, CA
Ngoc Giao Thi Nguyen, MD is a family medicine physician with a practice address in Laguna Niguel, California, and NPI 1306466735, issued on Apr 27, 2020. Check the license (California A203446, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Ngoc Giao Thi Nguyen
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- A203446 CA
Self-reported in NPPES; status is on the state search - Practice location
- 27231 LA Paz RD Ste A, Laguna Niguel, CA 92677
- Phone
- (949) 643-9111
- Enumerated
- Apr 27, 2020
- Record last updated
- Jan 7, 2026
- Fax
- (949) 643-8916
- Medicare enrollment
- Enrolled (PECOS I20260130002358); accepts Medicare assignment
- Medical or professional school
- Michigan State University College Of Human Medicine, 2019
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 27231 LA Paz RD Ste A
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Christopher Loera, PA-CMedical Physician Assistant1528496593
- Brian Shin, DOFamily Medicine Physician1265094247
Verify Ngoc Giao Thi Nguyen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A203446Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
83% fewer Medicare Part D claims than the average family medicine physician in 2024
616 Medicare Part D claims for 121 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium69 claims
- Amlodipine Besylate34 claims
- Losartan Potassium33 claims
- Levothyroxine Sodium30 claims
- Lisinopril23 claims
- Rosuvastatin Calcium17 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: $1,000.18
44 payments; by number, the most common kind was food and beverage; the largest payer was Novo Nordisk 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.
Bills Medicare through 2 group practices
- Memorial Hermann Medical GroupCypress, TX
- Providence Medical FoundationLaguna Niguel, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ngoc Giao Thi Nguyen among 17,133 family medicine physician records in California
Ngoc Giao Thi 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 2020, is newer than 88% of them.
- NPI issued2020 · 88% of these records are older, 9% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2019 · median 2005 among the 10,652 with a school on file
- Record last updated2026 · 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).
25 family medicine physician records list a practice address in Laguna Niguel
They are 25 of the 885 NPPES records with a practice address in Laguna Niguel, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Laguna Niguel → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Justine Bello, M.D.Laguna Niguel, CA 926771629237276
- Angela Calton, M.D.Laguna Niguel, CA 926771043219595
- Norman Coakley, D.O.Laguna Niguel, CA 926771801912274
- Paul Corona, M.D.Laguna Niguel, CA 926771194876219
- Karen Fu, M.DLaguna Niguel, CA 926771528007861
- Behnaz Haghighi Motlagh, M.D.Laguna Niguel, CA 926771902125776
- Timothy Huston, MDLaguna Niguel, CA 926771124091129
- Michael KentLaguna Niguel, CA 926771952335598
Common questions
What is Ngoc Giao Thi Nguyen, MD's NPI number?
Ngoc Giao Thi Nguyen, MD's National Provider Identifier (NPI) is 1306466735, issued on Apr 27, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Ngoc Giao Thi Nguyen, MD located?
The NPPES record lists a practice address at 27231 LA Paz RD Ste A, Laguna Niguel, CA, 92677. Phone: (949) 643-9111. Providers update this record themselves, so call before visiting.
How can I verify Ngoc Giao Thi Nguyen, MD's license?
NPPES lists California license number A203446, 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 Giao Thi Nguyen, MD prescribe under Medicare Part D?
In 2024, Ngoc Giao Thi Nguyen, MD had 616 Medicare Part D claims for 121 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.