Ian Hien Nguyen, MD
Obstetrics & Gynecology Physician · Terrytown, LA
Ian Hien Nguyen, MD is an obstetrics & gynecology physician with a practice address in Terrytown, Louisiana, and NPI 1144489691, issued on Jun 9, 2008. Check the license (Louisiana MD.205731, as entered in NPPES) on the Louisiana State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Ian Hien Nguyen
- Credential
- MD
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License numbers
- MD.205731 LA
PGY.1.TUL-OBGYN LA
Self-reported in NPPES; status is on the state search - Practice location
- 2500 Belle Chasse Hwy, Terrytown, LA 70056
- Phone
- (504) 391-8896
- Enumerated
- Jun 9, 2008
- Record last updated
- May 19, 2014 (not updated in 12 years: call before relying on the address or phone)
- Medicaid IDs
- 1073695 LA
00502013 MS - Medicare enrollment
- Enrolled (PECOS I20240930001190); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 659 in Louisiana → Look up another NPI →
Also registered at 2500 Belle Chasse Hwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Alyssa Allsop, APRN, NNPNeonatal Nurse Practitioner1487222022
- Dasha Arnold, CRNACertified Registered Nurse Anesthetist1356582332
- Brett Barrilleaux, MDAnesthesiology Physician1619505708
- Aimee Barrois, MSN, APRN, NNP-BCCritical Care Neonatal Nurse Practitioner1033663539
- Charles Belair, CRNACertified Registered Nurse Anesthetist1679500789
- Nicholas Bologna, PA-CPhysician Assistant1467183590
Verify Ian Hien Nguyen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersLouisiana State Board of Medical Examiners
Search for license MD.205731Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
44% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
93 Medicare Part D claims for 35 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D.
Most prescribed
- Estradiol18 claims
- Fluconazole16 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: $272.18
7 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
- Obhg Mississippi PCGulfport, MS
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ian Hien Nguyen among 659 obstetrics & gynecology physician records in Louisiana
Ian Hien Nguyen, MD is one of 659 obstetrics & gynecology physician records with a practice address in Louisiana. 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 2008, is newer than 66% of them.
- NPI issued2008 · 66% of these records are older, 30% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2008 · median 2004 among the 436 with a school on file
- Record last updated2014 · 57% 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 Louisiana 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 Louisiana
There are 659 obstetrics & gynecology physician records in Louisiana.
All 659 in Louisiana → Every provider in Terrytown → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- James Bellina, MDGretna, LA 700561609832443
- Jill Berger, MDGretna, LA 700561497054399
- Troy Drewitz, M.D.Gretna, LA 700561184608010
- Daniel Mompoint, M.D.Gretna, LA 700561720161839
- Louis Monnig, MDGretna, LA 700561336609262
- Janos Voros, M.D.Gretna, LA 700561124001185
- Vu Vuong, MDGretna, LA 700561194724336
- Victoria Weprinsky, MD, MSGretna, LA 700561992384093
Common questions
What is Ian Hien Nguyen, MD's NPI number?
Ian Hien Nguyen, MD's National Provider Identifier (NPI) is 1144489691, issued on Jun 9, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Ian Hien Nguyen, MD located?
The NPPES record lists a practice address at 2500 Belle Chasse Hwy, Terrytown, LA, 70056. Phone: (504) 391-8896. Providers update this record themselves, so call before visiting.
How can I verify Ian Hien Nguyen, MD's license?
NPPES lists Louisiana license number MD.205731, as entered by the provider. Search the Louisiana State Board of Medical Examiners at https://www.lsbme.la.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Ian Hien Nguyen, MD prescribe under Medicare Part D?
In 2024, Ian Hien Nguyen, MD had 93 Medicare Part D claims for 35 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.