NPI age
19 years
Enumerated 2006-08-05
● Active
Type 1 · Individual
Maria K Nguyen, M.D.
Nguyen is 1 of 5 internal medicine providers in Cypress and 1 of 920 in Texas.
Primary specialty
Internal Medicine
Plus 3 subspecialties
Licensed in
PA, TX, KY, WI
4 states
Status
Active
No deactivations on record
Last NPPES update
2024-05-13
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org
How this provider compares
Across 920 active internal medicine providers in Texas.
NPI age
19 years
↑ 2 yr above median (17 yr)
State licenses
4 states
Top 83% — 16% of peers are multi-state
Subspecialties
0
35% of peers hold subspecialties
NPI lifetime · 2006 → 2026
2006-08Enumerated in NPPES
2006
2026
Where they practice
Practice location
12609 Louetta Rd
Cypress, TX 774295136
Mailing address
Po Box 900
Cypress, TX 774100900
Additional practice locations
2 secondary locations on file with NPPES.
Location 2
130 2nd St
Neenah, WI 549562883
Location 3
1818 N Meade St
Appleton, WI 549113454
Specialties
-
Internal Medicine PrimaryAn internist who deals with infectious diseases of all types and in all organ systems. Conditions requiring selective use of antibiotics call for this special skill. This physician often diagnoses and treats AIDS patients and patients...
Identifiers
| Type | Value | Notes |
|---|---|---|
| 05 (TX) | 116526804 |
Multi-state credentialing: Licensed in 4 states. Useful context for credentialers building cross-state provider networks.
Practice context
Part of a multi-provider practice. 5 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.