NPI age
19 years
Enumerated 2007-05-24
● Active
Type 1 · Individual
DR. Michael Montgomery Blair, D.O.
Blair is 1 of 1 otolaryngology providers in San Marcos and 1 of 81 in Texas.
Primary specialty
Otolaryngology
Licensed in
TX
1 state
Status
Active
No deactivations on record
Last NPPES update
2025-05-12
Source: monthly bulk 2026-05
Sole proprietor
Yes
Solo practice on file
How this provider compares
Across 81 active otolaryngology providers in Texas.
NPI age
19 years
≈ at median (18 yr)
State licenses
1 state
12% of peers hold multiple states
Subspecialties
0
30% of peers hold subspecialties
NPI lifetime · 2007 → 2026
2007-05Enumerated in NPPES
2007
2026
Where they practice
Practice location
1340 Wonder World Dr Ste 4031
San Marcos, TX 786667598
Mailing address
1340 Wonder World Dr Ste 4031
San Marcos, TX 786667598
Additional practice locations
1 secondary location on file with NPPES.
Location 2
1340 Wonder World Dr Ste 2300
San Marcos, TX 786668070
Specialties
-
Otolaryngology PrimaryAn otolaryngologist who specializes in the diagnosis and surgical treatment of head and neck conditions.
Identifiers
| Type | Value | Notes |
|---|---|---|
| 01 (TX) | P00995618 | RR MEDICARE |
| 05 (TX) | 287444801 | |
| 01 (TX) | TXB140444 | MEDICARE |
Practice context
Solo or small practice. No other active providers share this practice address in NPPES. This provider is listed as a sole proprietor.
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- Confirm the NPI on NPPES.The CMS registry is the system of record. Open NPPES →
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