Gioi Ngoc Smith-Nguyen, MD
Gynecology Physician · San Diego, CA
Gioi Ngoc Smith-Nguyen, MD is a gynecology physician with a practice address in San Diego, California, and NPI 1619198140, issued on May 1, 2007. Check the license (California G61280, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Gioi Ngoc Smith-Nguyen
- Credential
- MD
- Primary taxonomy
- Gynecology Physician 207VG0400X
- License number
- G61280 CA
Self-reported in NPPES; status is on the state search - Practice location
- 9040 Friars RD, San Diego, CA 92108
- Phone
- (619) 521-2830
- Enumerated
- May 1, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest gynecology physician records → All 369 in California → Look up another NPI →
Also registered at 9040 Friars RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Gioi Ngoc Smith-Nguyen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G61280Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
96% fewer Medicare Part D claims than the average gynecology physician in 2024
13 Medicare Part D claims, against an average of 299 among the 1,919 providers of this specialty who prescribed in Part D.
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.
Gioi Ngoc Smith-Nguyen among 369 gynecology physician records in California
Gioi Ngoc Smith-Nguyen, MD is one of 369 gynecology physician records with a practice address in California. 60% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 60% of them.
- NPI issued2007 · 60% of these records are older, 24% newer
- In a Medicare fileYes · 60% of these records are
- In the CMS Doctors and Clinicians fileNo · 38% of these records are
- Record last updated2007 · 70% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207VG0400X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gynecology Physician providers in California
There are 369 gynecology physician records in California.
All 369 in California → Every provider in San Diego → Gynecology Physician nationwide →
The 8 gynecology physician records with the nearest ZIP codes
- William Koltun, MDSan Diego, CA 921081124010483
- Martin Roitman, D.O.San Diego, CA 921081093931537
- Malka Benoni, MDSan Diego, CA 921091306891171
- Mary Jennings, MDSan Diego, CA 921091427120658
- Erin BarcarseSan Diego, CA 921031013197045
- Carolle Jean-Murat, MDSan Diego, CA 921151336474568
- Parvin Mani, M.D.San Diego, CA 921201518925015
- Wendy Buchi, MDSan Diego, CA 921211356389688
Common questions
What is Gioi Ngoc Smith-Nguyen, MD's NPI number?
Gioi Ngoc Smith-Nguyen, MD's National Provider Identifier (NPI) is 1619198140, issued on May 1, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Gioi Ngoc Smith-Nguyen, MD located?
The NPPES record lists a practice address at 9040 Friars RD, San Diego, CA, 92108. Phone: (619) 521-2830. Providers update this record themselves, so call before visiting.
How can I verify Gioi Ngoc Smith-Nguyen, MD's license?
NPPES lists California license number G61280, 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 Gioi Ngoc Smith-Nguyen, MD prescribe under Medicare Part D?
In 2024, Gioi Ngoc Smith-Nguyen, MD had 13 Medicare Part D claims; the average among gynecology physician prescribers was 299. 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.