NPI age
18 years
Enumerated 2008-04-17
● Active
Type 1 · Individual
DR. Mary Elizabeth Williamson, M.D.
Williamson is 1 of 36 otolaryngology providers in Houston and 1 of 99 in Texas.
Primary specialty
Otolaryngology
Plus 1 subspecialty
Licensed in
TX, GA
2 states
Status
Active
No deactivations on record
Last NPPES update
2025-05-07
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org
How this provider compares
Across 99 active otolaryngology providers in Texas.
NPI age
18 years
≈ at median (18 yr)
State licenses
2 states
Top 73% — 26% of peers are multi-state
Subspecialties
1
In the 57% of peers with subspecialties
NPI lifetime · 2008 → 2026
2008-04Enumerated in NPPES
2008
2026
Where they practice
Practice location
6701 Fannin St
Houston, TX 770302608
Mailing address
925 N Point Pkwy, Ste 130
Alpharetta, GA 300055210
Additional practice locations
1 secondary location on file with NPPES.
Location 2
1121 Johnson Ferry Rd, Ste 420
Marietta, GA 300685425
Specialties
-
Otolaryngology PrimaryA pediatric otolaryngologist has special expertise in the management of infants and children with disorders that include congenital and acquired conditions involving the aerodigestive tract, nose and paranasal sinuses, the ear and other...
-
OtolaryngologyAn otolaryngologist-head and neck surgeon provides comprehensive medical and surgical care for patients with diseases and disorders that affect the ears, nose, throat, the respiratory and upper alimentary systems and related structures...
Practice context
Part of a multi-provider practice. 846 other active providers share this practice address in NPPES.
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