IAN HIEN NGUYEN MD
NPI 1144489691
Obstetrics & Gynecology in Terrytown, LA
About Ian Hien Nguyen Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
IAN HIEN NGUYEN MD (NPI 1144489691) is an individual obstetrics & gynecology provider in Terrytown, Louisiana, licensed in Louisiana (MD.205731) and active in the NPI registry since June 2008. He is enrolled in Medicare PECOS and is a graduate of Other (2008).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Ian Hien Nguyen Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
2Medicare enrollment records show Ian Nguyen reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Gretna, LA 70056
- Reassigned Medicare billing, Louisiana enrollment
- 4,559 clinicians in this Medicare group
Jackson, MS 39202
- Reassigned Medicare billing, Mississippi enrollment
- Medicare enrollment name: Obhg Mississippi PC
- 145 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 70056 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
TERRYTOWN, LA 70056
TERRYTOWN, LA 70056
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Ian Nguyen's NPI number?
The NPI number for Ian Nguyen is 1144489691. It was assigned to this individual provider in the NPPES registry on June 9, 2008.
Where is Ian Nguyen located?
Ian Nguyen practices at 2500 Belle Chasse Hwy, Terrytown, LA 70056. The listed phone number is (504) 391-8896.
What is Ian Nguyen's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.
Is Ian Nguyen enrolled in Medicare?
Yes. Ian Nguyen is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Ian Nguyen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ian Nguyen reassigns Medicare benefits to 2 organizations: Ochsner Clinic LLC (Gretna, LA) and Obhg Mississippi, P.C. (Jackson, MS). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Ian Nguyen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Ian Nguyen accept?
Health plans from Ambetter Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter of Alabama and Ambetter of Tennessee and 2 other insurers list Ian Nguyen as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Ian Nguyen was last updated on May 19, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Ian Hien Nguyen, MD · NPI 1144489691
Obstetrics & Gynecology physician in Terrytown, Louisiana. Individual provider, active in the CMS NPPES registry since June 9, 2008.
## Identity
- **NPI:** 1144489691 (Entity type: Individual)
- **Enumerated:** June 9, 2008
- **Primary specialty:** Obstetrics & Gynecology · taxonomy 207V00000X
- **State license:** MD.205731 (Louisiana)
- **Sole proprietor:** No
## Practice location
- **Address:** 2500 BELLE CHASSE HWY, Terrytown, LA 70056-7127
- **Phone:** (504) 391-8896
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Ochsner Clinic LLC (NPI 1053555458, Gretna, LA); Obhg Mississippi, P.C. (NPI 1083995674, Jackson, MS) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2008
## Record status
- **NPPES last updated:** May 19, 2014
- **Other identifiers:** Medicare PIN 288157YH3U (LA); Medicaid 1073695 (LA); Medicaid 00502013 (MS)
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Source: [NPI Profile](https://npiprofile.com/npi/1144489691) · Data from the CMS NPPES public registry.