NPI age
17 years
Enumerated 2008-08-03
● Active
Type 1 · Individual
DR. Theresa Gan Leung, M.D.
Leung is 1 of 17 ophthalmology providers in Sugar Land and 1 of 2155 in Texas.
Primary specialty
Ophthalmology
Plus 2 subspecialties
Licensed in
TX, MD
2 states
Status
Active
No deactivations on record
Last NPPES update
2017-04-12
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
17 years
↓ 2 yr below median (19 yr)
State licenses
2 states
Top 90% — 9% of peers are multi-state
Subspecialties
1
In the 31% of peers with subspecialties
NPI lifetime · 2008 → 2026
2008-08Enumerated in NPPES
2008
2026
Where they practice
Practice location
3515 Town Center Blvd S
Sugar Land, TX 774791285
Mailing address
3515 Town Center Blvd S
Sugar Land, TX 774791285
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 the treatment of intraocular inflammation, scleritis, keratitis and infectious disorders affecting the eye and inflammatory disorders of the adnexa and/or orbit.
Identifiers
| Type | Value | Notes |
|---|---|---|
| 05 (TX) | 358593701 | |
| 05 (MD) | 036176300 | |
| 01 (MD) | D0070675 | STATE LICENSE |
Multi-state credentialing: Licensed in 2 states. Useful context for credentialers building cross-state provider networks.
Practice context
Part of a multi-provider practice. 5 other active providers share this practice address in NPPES.
Recently enumerated nearby: 1 new ophthalmology provider has been added in Sugar Land 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.