NPI age
10 years
Enumerated 2016-05-03
● Active
Type 1 · Individual
William Arthur Grosdidier
Grosdidier is 1 of 8 dentist providers in Jbsa Lackland and 1 of 935 in Texas.
Primary specialty
Dentist
Plus 2 subspecialties
Licensed in
MN
1 state
Status
Active
No deactivations on record
Last NPPES update
2025-03-18
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org
How this provider compares
Across 935 active dentist providers in Texas.
NPI age
10 years
↓ 7 yr below median (17 yr)
State licenses
1 state
11% of peers hold multiple states
Subspecialties
2
In the 31% of peers with subspecialties
NPI lifetime · 2016 → 2026
2016-05Enumerated in NPPES
2016
2026
Where they practice
Practice location
1100 Wilford Hall Loop Bldg 4554
Jbsa Lackland, TX 782365638
Mailing address
1100 Wilford Hall Loop Bldg 4554
Jbsa Lackland, TX 782365638
Additional practice locations
1 secondary location on file with NPPES.
Location 2
3551 Roger Brooke Dr
Fort Sam Houston, TX 782344504
Specialties
-
Dentist PrimaryThe specialty of dentistry which includes the diagnosis, surgical and adjunctive treatment of diseases, injuries and defects involving both the functional and esthetic aspects of the hard and soft tissues of the oral and maxillofacial region.
-
DentistA dentist is a person qualified by a doctorate in dental surgery (D.D.S.) or dental medicine (D.M.D.), licensed by the state to practice dentistry, and practicing within the scope of that license. There is no difference between the two...
-
Student in an Organized Health Care Education/Training ProgramAn individual who is enrolled in an organized health care education/training program leading to a degree, certification, registration, and/or licensure to provide health care.
Practice context
Part of a multi-provider practice. 307 other active providers share this practice address in NPPES.
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- Confirm the NPI on NPPES.The CMS registry is the system of record. Open NPPES →
- Check the state license is currently active.State licensing boards publish current status; NPPES does not.
- Confirm payer enrollment if billing.NPI presence does not guarantee active enrollment with Medicare, Medicaid, or commercial payers.