NPI age
20 years
Enumerated 2005-08-29
● Active
Type 1 · Individual
John R Sonntag, M.D.
Sonntag is 1 of 36 ophthalmology providers in Boise and 1 of 122 in Idaho.
Primary specialty
Ophthalmology
Licensed in
ID
1 state
Status
Active
No deactivations on record
Last NPPES update
2012-06-25
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org
How this provider compares
Across 122 active ophthalmology providers in Idaho.
NPI age
20 years
≈ at median (19 yr)
State licenses
1 state
12% of peers hold multiple states
Subspecialties
0
27% of peers hold subspecialties
NPI lifetime · 2005 → 2026
2005-08Enumerated in NPPES
2005
2026
Where they practice
Practice location
5680 W Gage St
Boise, ID 837061326
Mailing address
5680 W Gage St
Boise, ID 837061326
Specialties
-
Ophthalmology PrimaryAn ophthalmologist has the knowledge and professional skills needed to provide comprehensive eye and vision care. Ophthalmologists are medically trained to diagnose, monitor and medically or surgically treat all ocular and visual...
Identifiers
| Type | Value | Notes |
|---|---|---|
| 05 (ID) | 001553800 |
Practice context
Part of a multi-provider practice. 10 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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