NPI age
18 years
Enumerated 2007-09-04
● Active
Type 1 · Individual
DR. William Isaac Sawyer, D.O.
Sawyer is 1 of 4 ophthalmology providers in Granbury and 1 of 2155 in Texas.
Primary specialty
Ophthalmology
Licensed in
TX
1 state
Status
Active
No deactivations on record
Last NPPES update
2018-10-02
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org
How this provider compares
Across 2155 active ophthalmology providers in Texas.
NPI age
18 years
≈ at median (19 yr)
State licenses
1 state
9% of peers hold multiple states
Subspecialties
0
31% of peers hold subspecialties
NPI lifetime · 2007 → 2026
2007-09Enumerated in NPPES
2007
2026
Where they practice
Practice location
950 Whitehead Dr
Granbury, TX 760482505
Mailing address
925 Santa Fe Dr Ste 105
Weatherford, TX 760865867
Additional practice locations
1 secondary location on file with NPPES.
Location 2
925 Santa Fe Dr Ste 105
Weatherford, TX 760865867
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...
Identifiers
| Type | Value | Notes |
|---|---|---|
| 05 (TX) | 3864043 |
Practice context
Part of a multi-provider practice. 2 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.