NPI age
19 years
Enumerated 2007-02-28
● Active
Type 1 · Individual
DR. Bistra Gueorguieva Vlassakova, M.D.
Vlassakova is 1 of 55 anesthesiology providers in Houston and 1 of 172 in Texas.
Primary specialty
Anesthesiology
Licensed in
TX
1 state
Status
Active
No deactivations on record
Last NPPES update
2026-02-12
Source: monthly bulk 2026-05
Sole proprietor
Yes
Solo practice on file
How this provider compares
Across 172 active anesthesiology providers in Texas.
NPI age
19 years
↑ 2 yr above median (17 yr)
State licenses
1 state
30% of peers hold multiple states
Subspecialties
0
67% of peers hold subspecialties
NPI lifetime · 2007 → 2026
2007-02Enumerated in NPPES
2007
2026
Where they practice
Practice location
6411 Fannin St
Houston, TX 770301501
Mailing address
6431 Fannin St
Houston, TX 770301501
Specialties
-
Anesthesiology PrimaryAn anesthesiologist who has had additional skill and experience in and is primarily concerned with the anesthesia, sedation, and pain management needs of infants and children. A pediatric anesthesiologist generally provides services...
Practice context
Part of a multi-provider practice. 810 other active providers share this practice address in NPPES.
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