IRENE E. AGA M.D.
NPI 1649450776
Obstetrics & Gynecology in Houston, TX
About Irene E. Aga M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
IRENE E. AGA M.D. (NPI 1649450776) is an individual obstetrics & gynecology provider in Houston, Texas, licensed in Texas (M7811) and active in the NPI registry since November 2007. She is enrolled in Medicare PECOS and maintains a secondary practice location in Houston.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Other Identifiers 2
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Irene E. Aga M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Irene Aga reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Houston, TX 77030
- Reassigned Medicare billing, Texas enrollment
- 3,111 clinicians in this Medicare group
Houston, TX 77006
- Reassigned Medicare billing, Texas enrollment
- 402 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 77074 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.
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 Irene Aga's NPI number?
The NPI number for Irene Aga is 1649450776. It was assigned to this individual provider in the NPPES registry on November 6, 2007.
Where is Irene Aga located?
Irene Aga practices at 6441 High Star Dr, Houston, TX 77074. The listed phone number is (832) 548-5000.
What is Irene Aga's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.
Is Irene Aga enrolled in Medicare?
Yes. Irene Aga is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Irene Aga's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Irene Aga reassigns Medicare benefits to 2 organizations: Ut Physicians (Houston, TX) and Legacy Community Health Services, Inc (Houston, TX). 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 Irene Aga's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Irene Aga accept?
Health plans from Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Superior HealthPlan and Ambetter of Oklahoma and 4 other insurers list Irene Aga 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 Irene Aga was last updated on November 1, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Irene E. Aga, M.D. · NPI 1649450776
Obstetrics & Gynecology physician in Houston, Texas. Individual provider, active in the CMS NPPES registry since November 6, 2007.
## Identity
- **NPI:** 1649450776 (Entity type: Individual)
- **Enumerated:** November 6, 2007
- **Primary specialty:** Obstetrics & Gynecology · taxonomy 207V00000X
- **State license:** M7811 (Texas)
- **Sole proprietor:** No
## Practice location
- **Address:** 6441 HIGH STAR DR, Houston, TX 77074-5005
- **Phone:** (832) 548-5000
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **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): Ut Physicians (NPI 1033157821, Houston, TX); Legacy Community Health Services, Inc (NPI 1679524961, Houston, TX) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** November 1, 2022
- **Other identifiers:** Other 8F9684 (TX); Medicaid 190623201 (TX)
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Source: [NPI Profile](https://npiprofile.com/npi/1649450776) · Data from the CMS NPPES public registry.