NPI age
15 years
Enumerated 2010-11-03
● Active
Type 1 · Individual
DR. Christopher Michael Guillen, O.D.
Guillen is 1 of 2 optometrist providers in Donna and 1 of 7867 in Texas.
Primary specialty
Optometrist
Plus 5 subspecialties
Licensed in
TX
1 state
Status
Active
No deactivations on record
Last NPPES update
2016-03-14
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
15 years
≈ at median (15 yr)
State licenses
1 state
5% of peers hold multiple states
Subspecialties
5
In the 13% of peers with subspecialties
NPI lifetime · 2010 → 2026
2010-11Enumerated in NPPES
2010
2026
Where they practice
Practice location
310 North Salinas Blvd
Donna, TX 78537
Mailing address
310 North Salinas Blvd
Donna, TX 78537
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...
-
OptometristOptometrists who work in Occupational Vision, the branch of environmental optometry, consider all aspects of the relationship between work and vision, visual performances, eye safety, and health.
-
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...
-
OptometristOptometrists who work in Pediatrics are concerned with the prevention, development, diagnosis, and treatment of visual problems in children.
-
OptometristAn optometrist who offers services designed to care for unique vision care needs of athletes, which may include one of more of the following services: corrective vision care unique to a specific sporting environment; protective eyewear...
-
OptometristOptometrists who specialize in vision therapy as a treatment process used to improve vision function. It includes a broad range of developmental and rehabilitative treatment programs individually prescribed to remediate specific...
Practice context
Solo or small practice. No other active providers share this practice address in NPPES. This provider is listed as a sole proprietor.
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