NPI age
18 years
Enumerated 2008-03-07
● Active Type 2 · Organization
Gary R Tylock MD PA
Gary R Tylock MD PA is 1 of 2155 ophthalmology organizations in Texas.
Primary specialty
Ophthalmology
Plus 1 secondary
Practice locations
2
1 secondary on file
Status
Active
No deactivations on record
Authorized official
Schaller
Ceo
Last NPPES update
2026-02-04
Source: monthly bulk 2026-05
How this organization compares
Across 2155 active ophthalmology providers in Texas.
NPI age
18 years
≈ at median (19 yr)
Practice locations
2
1 secondary on file
Subspecialties
1
In the 31% of peers with subspecialties
NPI lifetime · 2008 → 2026
2008-03Enumerated in NPPES
2008
2026
Where they practice
Primary practice location
3100 N MacArthur Blvd
Irving, TX 750624451
Mailing address
3100 N MacArthur Blvd
Irving, TX 750624451
Additional practice locations
1 secondary location on file with NPPES.
Location 2
8080 State Highway 121 Ste 110
McKinney, TX 750702903
Authorized official
Randall A Schaller
Ceo
📞 9722586400
Individual providers at this organization
6 individual providers on file at this primary practice address.
- Taj-Addin Nasser, MD Ophthalmology NPI 1487158150
- Alanna O'Keefe, O.D. Optometrist NPI 1275967150
- Andrew Pazandak, MD Ophthalmology NPI 1417375775
- David Shinpaugh, OD Optometrist NPI 1831542612
- Gary Tylock, MD Ophthalmology NPI 1679576920
- Phat Vo, OD Optometrist NPI 1821519711
Specialties
-
Ophthalmology PrimaryAn ophthalmologist has the knowledge and professional skills needed to provide comprehensive eye and vision care. Ophthalmologists are medically trained to diagnose, monitor and medically or surgically treat all ocular and visual...
-
OphthalmologyAn ophthalmologist who specializes in diseases of the cornea, sclera, eyelids, conjunctiva, and anterior segment of the eye.
Other names on file (6)
Doing-business-as, former, and alternate names recorded by NPPES.
-
TYLOCK GEORGE LASER VISION
-
Tylock George Eye Care
-
Tylock Nasser Vision
-
Tylock Nasser Vision Cataract & LASIK Eye Surgery
-
Tylock Nasser Vision, Cataract, & Lasik
-
Tylock George Eye Care
Practice context
Multi-provider organization. 6 individual providers on file at this primary address. Plus 1 secondary practice location.
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- Confirm the NPI on NPPES.The CMS registry is the system of record. Open NPPES →
- Verify the organization is in good standing.Cross-check with the state's business registration and any applicable licensing boards.
- Confirm payer enrollment if billing.NPI presence does not guarantee active enrollment with Medicare, Medicaid, or commercial payers.