Son Thai Nguyen, M.D.
Internal Medicine Physician · Huntington Beach, CA
Son Thai Nguyen, M.D. is an internal medicine physician with a practice address in Huntington Beach, California, and NPI 1215941778, issued on Jul 28, 2006. Check the license (California G58897, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Son Thai Nguyen
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- G58897 CA
Self-reported in NPPES; status is on the state search - Practice location
- 19582 Beach Blvd, Huntington Beach, CA 92648
- Phone
- (714) 378-2404
- Enumerated
- Jul 28, 2006
- Record last updated
- Oct 5, 2017 (not updated in 9 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20101012000118); accepts Medicare assignment
- Medical or professional school
- University Of California, Irvine, California College Of Medicine, 1985
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 19582 Beach Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Son Thai Nguyen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G58897Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.5 times the Medicare Part D claims of the average internal medicine physician in 2024
7,828 Medicare Part D claims for 791 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims. 87 claims were for opioids.
Most prescribed
- Atorvastatin Calcium579 claims
- Levothyroxine Sodium392 claims
- Losartan Potassium385 claims
- Amlodipine Besylate323 claims
- Metformin Hcl204 claims
- Rosuvastatin Calcium203 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 84.4 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $25.74
1 payment: food and beverage; the largest payer was Janssen Biotech, Inc. The 50,334 providers of this specialty with any payment received $1,303.06 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 one group practice
- Hoag ClinicHuntington Beach, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Son Thai Nguyen among 17,696 internal medicine physician records in California
Son Thai Nguyen, M.D. is one of 17,696 internal medicine physician records with a practice address in California. 79% 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 5% of them.
- NPI issued2006 · 5% of these records are older, 56% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1985 · median 2004 among the 11,065 with a school on file
- Record last updated2017 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
48 internal medicine physician records list a practice address in Huntington Beach
They are 48 of the 4,031 NPPES records with a practice address in Huntington Beach, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Huntington Beach → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Douglas Allen, M.D.Huntington Beach, CA 926481669893962
- Ratul Chatterjee, M.D.Huntington Beach, CA 926481770597387
- Aditi Correa, M.D.Huntington Beach, CA 926481801206065
- Phuong Anh Doan, M.D.Huntington Beach, CA 926481629031968
- Dale Ellis, MDHuntington Beach, CA 926481841254141
- Patrick Farrell, M.D.Huntington Beach, CA 926481356604490
- Thomas Goodheart, M.D.Huntington Beach, CA 926481457461501
- Valerio Kalaw, MDHuntington Beach, CA 926481063988897
Common questions
What is Son Thai Nguyen, M.D.'s NPI number?
Son Thai Nguyen, M.D.'s National Provider Identifier (NPI) is 1215941778, issued on Jul 28, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Son Thai Nguyen, M.D. located?
The NPPES record lists a practice address at 19582 Beach Blvd, Huntington Beach, CA, 92648. Phone: (714) 378-2404. Providers update this record themselves, so call before visiting.
How can I verify Son Thai Nguyen, M.D.'s license?
NPPES lists California license number G58897, 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 Son Thai Nguyen, M.D. prescribe under Medicare Part D?
In 2024, Son Thai Nguyen, M.D. had 7,828 Medicare Part D claims for 791 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Son Thai Nguyen, M.D.'s MIPS final score?
The 2023 MIPS final score is 84.4 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.