Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

John R Sonntag, MD

Individual provider Ophthalmology Physician · NPI 1245223809

John R Sonntag, MD is an Ophthalmology Physician in Boise, Idaho. Licensed in Idaho. Registered with an NPI since 2005.

Licensed in
ID
In the registry since
2005
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

5680 W Gage St
Boise, ID 83706-1326
Phone: (208) 377-3937
Fax: (208) 377-9455
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Ophthalmology Physician (primary) Taxonomy 207W00000X · Licence M4623 (ID)

Record details

NPI number1245223809
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 29, 2005
Last updated in NPPESJune 25, 2012
Mailing address5680 W Gage St, Boise, ID 83706-1326

Other providers in Boise