NPI age
15 years
Enumerated 2010-07-19
● Active
Type 1 · Individual
Houssam Ahmad Oueini, M.D.
Oueini is 1 of 6 internal medicine providers in Baytown and 1 of 1318 in Texas.
Primary specialty
Internal Medicine
Plus 2 subspecialties
Licensed in
TX, IN
2 states
Status
Active
No deactivations on record
Last NPPES update
2018-11-07
Source: monthly bulk 2026-05
Sole proprietor
Yes
Solo practice on file
How this provider compares
Across 1318 active internal medicine providers in Texas.
NPI age
15 years
↓ 3 yr below median (18 yr)
State licenses
2 states
Top 84% — 15% of peers are multi-state
Subspecialties
1
In the 57% of peers with subspecialties
NPI lifetime · 2010 → 2026
2010-07Enumerated in NPPES
2010
2026
Where they practice
Practice location
4201 Garth Rd
Baytown, TX 77521
Mailing address
4201 Garth Rd
Baytown, TX 775213167
Additional practice locations
2 secondary locations on file with NPPES.
Location 2
11104 Parkview Circle Dr Ste 410
Fort Wayne, IN 468451672
Location 3
11104 Parkview Circle Dr Ste 410
Fort Wayne, IN 468451672
Specialties
-
Internal Medicine PrimaryAn internist who treats diseases of the lungs and airways. The pulmonologist diagnoses and treats cancer, pneumonia, pleurisy, asthma, occupational and environmental diseases, bronchitis, sleep disorders, emphysema and other complex...
-
Internal MedicineAn internist who diagnoses, treats and supports patients with multiple organ dysfunction. This specialist may have administrative responsibilities for intensive care units and may also facilitate and coordinate patient care among the...
Identifiers
| Type | Value | Notes |
|---|---|---|
| 05 (TX) | 387593201 |
Multi-state credentialing: Licensed in 2 states. Useful context for credentialers building cross-state provider networks.
Practice context
Part of a multi-provider practice. 33 other active providers share this practice address in NPPES.
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- Confirm the NPI on NPPES.The CMS registry is the system of record. Open NPPES →
- Check the state license is currently active.State licensing boards publish current status; NPPES does not.
- Confirm payer enrollment if billing.NPI presence does not guarantee active enrollment with Medicare, Medicaid, or commercial payers.