NPI age
20 years
Enumerated 2005-10-04
● Active
Type 1 · Individual
DR. O A Watson JR., OD
Watson is 1 of 1 optometrist providers in San Marcos and 1 of 42 in Texas.
Primary specialty
Optometrist
Plus 1 subspecialty
Licensed in
TX, CO
2 states
Status
Active
No deactivations on record
Last NPPES update
2008-06-12
Source: monthly bulk 2026-05
Sole proprietor
Yes
Solo practice on file
How this provider compares
Across 42 active optometrist providers in Texas.
NPI age
20 years
↑ 6 yr above median (14 yr)
State licenses
2 states
Top 92% — 7% of peers are multi-state
Subspecialties
0
45% of peers hold subspecialties
NPI lifetime · 2005 → 2026
2005-10Enumerated in NPPES
2005
2026
Where they practice
Practice location
121 W San Antonio St
San Marcos, TX 786665551
Mailing address
121 W San Antonio St
San Marcos, TX 786665551
Specialties
-
Optometrist PrimaryOptometrists 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...
Identifiers
| Type | Value | Notes |
|---|---|---|
| 01 (TX) | 00E89B | BLUE CROSS BLUE SHIELD |
| 01 (TX) | 5123963737 | VSP |
Multi-state credentialing: Licensed in 2 states. Useful context for credentialers building cross-state provider networks.
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.