NPI age
19 years
Enumerated 2007-03-29
● Active
Type 1 · Individual
Seth Michael Hollander, M.D.
Hollander is 1 of 44 allergy & immunology providers in Austin and 1 of 506 in Texas.
Primary specialty
Allergy & Immunology
Plus 1 subspecialty
Licensed in
TX
1 state
Status
Active
No deactivations on record
Last NPPES update
2023-11-28
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org
How this provider compares
Across 506 active allergy & immunology providers in Texas.
NPI age
19 years
≈ at median (19 yr)
State licenses
1 state
9% of peers hold multiple states
Subspecialties
1
In the 28% of peers with subspecialties
NPI lifetime · 2007 → 2026
2007-03Enumerated in NPPES
2007
2026
Where they practice
Practice location
5625 Eiger Rd Ste 160
Austin, TX 787358980
Mailing address
303 E Main St
Round Rock, TX 786645246
Additional practice locations
6 secondary locations on file with NPPES.
Location 2
5656 Bee Caves Rd Ste G201
West Lake Hills, TX 787465236
Location 3
12801 Shops Pkwy Ste 400
Bee Caves, TX 787386446
Location 4
303 E Main St
Round Rock, TX 786645246
Location 5
11762 Jollyville Rd
Austin, TX 787593937
Location 6
6611 River Place Blvd Ste 100
Austin, TX 787301163
Location 7
3101 Highway 71 E Ste 210
Bastrop, TX 786025157
Specialties
-
Allergy & Immunology PrimaryAn allergist-immunologist is trained in evaluation, physical and laboratory diagnosis, and management of disorders involving the immune system. Selected examples of such conditions include asthma, anaphylaxis, rhinitis, eczema, and...
-
Internal MedicineA 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,...
Practice context
Part of a multi-provider practice. 1 other active provider shares this practice address in NPPES.
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- Confirm the NPI on NPPES.The CMS registry is the system of record. Open NPPES →
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