NPI age
12 years
Enumerated 2014-02-15
● Active
Type 1 · Individual
Derek Allan Woo, M.D., M.B.A.
Woo is 1 of 1938 internal medicine providers in Houston and 1 of 12343 in Texas.
Primary specialty
Internal Medicine
Plus 3 subspecialties
Licensed in
TX, HI, LA
3 states
Status
Active
No deactivations on record
Last NPPES update
2023-07-04
Source: monthly bulk 2026-05
Sole proprietor
Yes
Solo practice on file
How this provider compares
Across 12343 active internal medicine providers in Texas.
NPI age
12 years
↓ 5 yr below median (17 yr)
State licenses
3 states
Top 88% — 12% of peers are multi-state
Subspecialties
1
In the 33% of peers with subspecialties
NPI lifetime · 2014 → 2026
2014-02Enumerated in NPPES
2014
2026
Where they practice
Practice location
13300 Hargrave Rd Ste 480
Houston, TX 770707374
Mailing address
14103 Kellywood Ln
Houston, TX 770796823
Additional practice locations
2 secondary locations on file with NPPES.
Location 2
2928 210th Pl
Bayside, NY 113602433
Location 3
14103 Kellywood Ln
Houston, TX 770796823
Specialties
-
Internal Medicine PrimaryA physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer,...
-
Internal MedicineAn Internist who practices Sleep Medicine is certified in the subspecialty of sleep medicine and specializes in the clinical assessment, physiologic testing, diagnosis, management and prevention of sleep and circadian rhythm disorders....
Practice context
Part of a multi-provider practice. 7 other active providers share this practice address in NPPES.
Recently enumerated nearby: 6 new internal medicine 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.
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