NPI age
20 years
Enumerated 2005-11-11
● Active
Type 1 · Individual
DR. John R Olsen, M.D.
Olsen is 1 of 5 radiology providers in Fort Sam Houston and 1 of 408 in Texas.
Primary specialty
Radiology
Licensed in
PA
1 state
Status
Active
No deactivations on record
Last NPPES update
2007-07-08
Source: monthly bulk 2026-05
Sole proprietor
Not specified
May be part of a larger org
How this provider compares
Across 408 active radiology providers in Texas.
NPI age
20 years
↑ 6 yr above median (14 yr)
State licenses
1 state
25% of peers hold multiple states
Subspecialties
0
59% of peers hold subspecialties
NPI lifetime · 2005 → 2026
2005-11Enumerated in NPPES
2005
2026
Where they practice
Practice location
3851 Roger Brooke Dr, McHe-Qd (credentials)
Fort Sam Houston, TX 782344501
Mailing address
639 Elizabeth Rd
San Antonio, TX 782096134
Specialties
-
Radiology PrimaryA radiologist who diagnoses and treats diseases by various radiologic imaging modalities. These include fluoroscopy, digital radiography, computed tomography, sonography and magnetic resonance imaging.
Practice context
Part of a multi-provider practice. 345 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 →
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