NPI age
9 years
Enumerated 2017-05-25
● Active
Type 1 · Individual
DR. Warren Allen Southerland, MD
Southerland is 1 of 126 anesthesiology providers in Houston and 1 of 845 in Texas.
Primary specialty
Anesthesiology
Licensed in
TX
1 state
Status
Active
No deactivations on record
Last NPPES update
2025-05-28
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org
How this provider compares
Across 845 active anesthesiology providers in Texas.
NPI age
9 years
↓ 5 yr below median (14 yr)
State licenses
1 state
9% of peers hold multiple states
Subspecialties
0
39% of peers hold subspecialties
NPI lifetime · 2017 → 2026
2017-05Enumerated in NPPES
2017
2026
Where they practice
Practice location
9525 Katy Fwy Ste 206
Houston, TX 770241476
Mailing address
9525 Katy Fwy Ste 206
Houston, TX 770241476
Specialties
-
Anesthesiology PrimaryAn anesthesiologist who provides a high level of care, either as a primary physician or consultant, for patients experiencing problems with acute, chronic and/or cancer pain in both hospital and ambulatory settings. Patient care needs...
Practice context
Part of a multi-provider practice. 16 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.