NPI age
19 years
Enumerated 2007-01-30
● Active
Type 1 · Individual
DR. Dianne Shirley Sand, D.C.
Sand is 1 of 1 chiropractor providers in San Marcos and 1 of 108 in Texas.
Primary specialty
Chiropractor
Plus 1 subspecialty
Licensed in
TX
1 state
Status
Active
No deactivations on record
Last NPPES update
2025-09-11
Source: monthly bulk 2026-05
Sole proprietor
Yes
Solo practice on file
How this provider compares
Across 108 active chiropractor providers in Texas.
NPI age
19 years
≈ at median (18 yr)
State licenses
1 state
4% of peers hold multiple states
Subspecialties
1
In the 25% of peers with subspecialties
NPI lifetime · 2007 → 2026
2007-01Enumerated in NPPES
2007
2026
Where they practice
Practice location
330 S C M Allen Pkwy
San Marcos, TX 786666902
Mailing address
330 S C M Allen Pkwy
San Marcos, TX 786666902
Specialties
-
Chiropractor PrimaryChiropractic Neurology is defined as the field of functional neurology that engages the internal - and external environment of the individual in a structured and targeted approach to affect positive changes in the nervous system and...
-
ChiropractorA provider qualified by a Doctor of Chiropractic (D.C.), licensed by the State and who practices chiropractic medicine -that discipline within the healing arts which deals with the nervous system and its relationship to the spinal...
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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