NPI age
10 years
Enumerated 2015-10-08
● Active
Type 1 · Individual
Diana Yen Xuan Truong, O.D.
Truong is 1 of 56 optometrist providers in Allen and 1 of 7867 in Texas.
Primary specialty
Optometrist
Plus 1 subspecialty
Licensed in
TX
1 state
Status
Active
No deactivations on record
Last NPPES update
2020-01-22
Source: monthly bulk 2026-05
Sole proprietor
Yes
Solo practice on file
How this provider compares
Across 7867 active optometrist providers in Texas.
NPI age
10 years
↓ 5 yr below median (15 yr)
State licenses
1 state
5% of peers hold multiple states
Subspecialties
0
13% of peers hold subspecialties
NPI lifetime · 2015 → 2026
2015-10Enumerated in NPPES
2015
2026
Where they practice
Practice location
150 E Stacy Rd
Allen, TX 750028756
Mailing address
4060 Spring Valley Rd Apt 103
Farmers Branch, TX 752443820
Additional practice locations
1 secondary location on file with NPPES.
Location 2
4830 Cedar Springs Rd Apt 40
Dallas, TX 752191365
Specialties
-
Optometrist PrimaryDoctors of optometry (ODs) are the primary health care professionals for the eye. Optometrists examine, diagnose, treat, and manage diseases, injuries, and disorders of the visual system, the eye, and associated structures as well as...
Practice context
Part of a multi-provider practice. 5 other active providers share this practice address in NPPES.
Recently enumerated nearby: 1 new optometrist provider has been added in Allen 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.