NPI age
20 years
Enumerated 2006-03-31
● Active
Type 1 · Individual
Alex P Nguyen, M. D.
Nguyen is 1 of 248 internal medicine providers in Houston and 1 of 1069 in Texas.
Primary specialty
Internal Medicine
Licensed in
TX
1 state
Status
Active
No deactivations on record
Last NPPES update
2026-03-18
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org
How this provider compares
Across 1069 active internal medicine providers in Texas.
NPI age
20 years
↑ 2 yr above median (18 yr)
State licenses
1 state
22% of peers hold multiple states
Subspecialties
0
52% of peers hold subspecialties
NPI lifetime · 2006 → 2026
2006-03Enumerated in NPPES
2006
2026
Where they practice
Practice location
925 Gessner, Suite 600,650
Houston, TX 770242545
Mailing address
Po Box 676638
Dallas, TX 752676638
Additional practice locations
17 secondary locations on file with NPPES.
Location 2
18955 N Memorial Dr Ste 530
Humble, TX 773384269
Location 3
10405 Katy Fwy Ste 150e
Houston, TX 770241165
Location 4
802 Enterprise Blvd Ste 808
Rockport, TX 783824346
Location 5
11920 Astoria Blvd Ste 150
Houston, TX 770896097
Location 6
23960 Katy Fwy Ste 325
Katy, TX 774940886
Location 7
3333 Bayshore Blvd Ste 320
Pasadena, TX 775041950
Location 8
2555 Gulf Fwy S Ste 700
League City, TX 775736742
Location 9
1920 Country Place Pkwy Ste 370
Pearland, TX 775841962
Location 10
9150 Main St Ste A3
Houston, TX 770253848
Location 11
17520 W Grand Pkwy S Ste 460
Sugar Land, TX 774794983
Location 12
7789 Southwest Fwy Ste 460
Houston, TX 770741841
Location 13
2130 W Holcombe Blvd Fl 10
Houston, TX 770303306
Location 14
10405 Katy Fwy Ste 120
Houston, TX 770241121
Location 15
7121 S. Padre Island Dr, Suite 102,101,119
Corpus Christi, TX 784124938
Location 16
1631 North Loop W Ste 410
Houston, TX 770081530
Location 17
13215 Dotson Rd Ste 340
Houston, TX 770704535
Location 18
27700 Northwest Freeway, Suite 400,425
Cypress, TX 774336767
Specialties
-
Internal Medicine PrimaryAn internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine...
Identifiers
| Type | Value | Notes |
|---|---|---|
| 01 | 7659601 | AETNA |
| 05 (TX) | 176252801 | |
| 01 (TX) | 10036694 | AMERIGROUP |
| 01 (TX) | 8V3231 | BLUE CHOICE |
| 01 (TX) | 2322957 | BLUELINK |
Practice context
Part of a multi-provider practice. 2 other active providers share this practice address in NPPES.
Recently enumerated nearby: 1 new internal medicine provider has been added in Houston in the last 180 days.
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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.