HOUSSAM AHMAD OUEINI M.D.
NPI 1194038281
Internal Medicine - Pulmonary Disease in Baytown, TX
About Houssam Ahmad Oueini M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
HOUSSAM AHMAD OUEINI M.D. (NPI 1194038281) is an individual pulmonary disease provider in Baytown, Texas, licensed in Texas (R7842) and active in the NPI registry since July 2010. He is enrolled in Medicare PECOS, is affiliated with Houston Methodist Baytown Hospital, and maintains a secondary practice location in Fort Wayne.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
Other Identifiers 1
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
Houssam Ahmad Oueini M.d. 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 Houssam Oueini 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
- 2,407 clinicians in this Medicare group
Houston, TX 77030
- Reassigned Medicare billing, Texas enrollment
- 1,579 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.
Areas of Expertise CMS Part B claims 19
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Houston Methodist Baytown Hospital
Acute Care Hospitals · Baytown, TXHouston Methodist Clear Lake Hospital
Acute Care Hospitals · Nassau Bay, TXPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 77521 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 16
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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.
BAYTOWN, TX 77521
BAYTOWN, TX 77521
BAYTOWN, TX 77521
BAYTOWN, TX 77521
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 Houssam Oueini's NPI number?
The NPI number for Houssam Oueini is 1194038281. It was assigned to this individual provider in the NPPES registry on July 19, 2010.
Where is Houssam Oueini located?
Houssam Oueini practices at 4201 Garth Rd, Baytown, TX 77521. The listed phone number is (281) 428-4510.
What is Houssam Oueini's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Pulmonary Disease, with taxonomy code 207RP1001X.
Is Houssam Oueini enrolled in Medicare?
Yes. Houssam Oueini 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 Houssam Oueini's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Houssam Oueini reassigns Medicare benefits to 2 organizations: Tmh Physician Associates PLLC (Houston, TX) and Houston Methodist Specialty Physicians (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 Houssam Oueini's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Houssam Oueini affiliated with any hospitals?
According to CMS data, Houssam Oueini is affiliated with Houston Methodist Baytown Hospital and Houston Methodist Clear Lake Hospital.
When was this NPI record last updated?
The NPPES record for Houssam Oueini was last updated on November 7, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.