NPI age
19 years
Enumerated 2006-08-19
● Active
Type 1 · Individual
DR. Stephanie Yachen Chen, O.D.
Chen is 1 of 6 optometrist providers in Farmers Branch 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
2019-11-04
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org
How this provider compares
Across 7867 active optometrist providers in Texas.
NPI age
19 years
↑ 4 yr above median (15 yr)
State licenses
1 state
5% of peers hold multiple states
Subspecialties
1
In the 13% of peers with subspecialties
NPI lifetime · 2006 → 2026
2006-08Enumerated in NPPES
2006
2026
Where they practice
Practice location
4122 L B J Fwy Ste 120
Farmers Branch, TX 752445703
Mailing address
7004 Chandler Dr
Plano, TX 750244807
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...
-
OptometristThe professional activities performed by an Optometrist related to the fitting of contact lenses to an eye, ongoing evaluation of the cornea's ability to sustain successful contact lens wear, and treatment of any external eye or corneal...
Identifiers
| Type | Value | Notes |
|---|---|---|
| 05 (TX) | 3795528 | |
| 01 (TX) | 8F4937 | MEDICARE PTAN |
Practice context
Solo or small practice. No 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.