Ha Son Nguyen, M.D.
Obstetrics & Gynecology Physician · Garden Grove, CA
Ha Son Nguyen, M.D. is an obstetrics & gynecology physician with a practice address in Garden Grove, California, and NPI 1447275631, issued on Jul 12, 2006. Check the license (California G67118, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Ha Son Nguyen
- Credential
- M.D.
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- G67118 CA
Self-reported in NPPES; status is on the state search - Practice location
- 13481 Euclid St Ste A, Garden Grove, CA 92843
- Phone
- (714) 468-6755
- Enumerated
- Jul 12, 2006
- Record last updated
- Aug 3, 2026
- Medicaid ID
- 00G671180 CA
- Medicare enrollment
- Enrolled (PECOS I20091214000143); accepts Medicare assignment
- Medical or professional school
- Northwestern University Feinberg Medical School, 1986
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 5,088 in California → Look up another NPI →
Verify Ha Son Nguyen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G67118Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
29% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
117 Medicare Part D claims for 39 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 21% of claims.
Most prescribed
- Premarin14 claims
- Lorazepam13 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: $860.97
31 payments; by number, the most common kind was food and beverage; the largest payer was Astellas Pharma US Inc. The 21,429 providers of this specialty with any payment received $1,030.61 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
- The Roads Foundation, IncCompton, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ha Son Nguyen among 5,088 obstetrics & gynecology physician records in California
Ha Son Nguyen, M.D. is one of 5,088 obstetrics & gynecology physician records with a practice address in California. 74% 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, 52% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 53% of these records are
- Graduated1986 · median 2004 among the 2,700 with a school on file
- Record last updated2026 · 64% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Obstetrics & Gynecology Physician providers in California
There are 5,088 obstetrics & gynecology physician records in California.
All 5,088 in California → Every provider in Garden Grove → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Mehrdad Forghani-Arani, D.O.Garden Grove, CA 928431457373342
- Thanh-Mai Trinh, MDGarden Grove, CA 928431578589560
- Christopher Winkle, MDGarden Grove, CA 928431437221561
- Thuc Tran, M.D.Garden Grove, CA 928441669580064
- Tuong Van Nguyen, M.D.Garden Grove, CA 928401851719132
- Mary Washburn, M.D.Garden Grove, CA 928401225203169
- Christina Borsari, MDFullerton, CA 928351356308704
- Christina BuchananFullerton, CA 928351750818357
Common questions
What is Ha Son Nguyen, M.D.'s NPI number?
Ha Son Nguyen, M.D.'s National Provider Identifier (NPI) is 1447275631, issued on Jul 12, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Ha Son Nguyen, M.D. located?
The NPPES record lists a practice address at 13481 Euclid St Ste A, Garden Grove, CA, 92843. Phone: (714) 468-6755. Providers update this record themselves, so call before visiting.
How can I verify Ha Son Nguyen, M.D.'s license?
NPPES lists California license number G67118, 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 Ha Son Nguyen, M.D. prescribe under Medicare Part D?
In 2024, Ha Son Nguyen, M.D. had 117 Medicare Part D claims for 39 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. 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.