NPI age
13 years
Enumerated 2012-08-16
● Active
Type 1 · Individual
DR. John William Anderson, M.D.
Anderson is 1 of 340 ophthalmology providers in Houston and 1 of 2155 in Texas.
Primary specialty
Ophthalmology
Licensed in
TX
1 state
Status
Active
No deactivations on record
Last NPPES update
2025-06-19
Source: monthly bulk 2026-05
Sole proprietor
Yes
Solo practice on file
How this provider compares
Across 2155 active ophthalmology providers in Texas.
NPI age
13 years
↓ 6 yr below median (19 yr)
State licenses
1 state
9% of peers hold multiple states
Subspecialties
0
31% of peers hold subspecialties
NPI lifetime · 2012 → 2026
2012-08Enumerated in NPPES
2012
2026
Where they practice
Practice location
3355 W Alabama St Ste 830
Houston, TX 770981163
Mailing address
Po Box 22703
Houston, TX 772272703
Additional practice locations
1 secondary location on file with NPPES.
Location 2
6400 Fannin St Fl 18
Houston, TX 770301521
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) | 336800301 (MDACC) | |
| 01 (TX) | 8EL738 | BCBS (MDACC) |
Practice context
Part of a multi-provider practice. 1 other active provider shares this practice address in NPPES.
Recently enumerated nearby: 2 new ophthalmology providers have been added in Houston in the last 180 days.
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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.