NPI age
10 years
Enumerated 2016-04-25
● Active
Type 1 · Individual
Zachary Ronald Grunig, PA-C
Grunig is 1 of 363 physician assistant providers in Boise and 1 of 1263 in Idaho.
Primary specialty
Physician Assistant
Licensed in
ID
1 state
Status
Active
No deactivations on record
Last NPPES update
2025-11-11
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org
How this provider compares
Across 1263 active physician assistant providers in Idaho.
NPI age
10 years
≈ at median (9 yr)
State licenses
1 state
19% of peers hold multiple states
Subspecialties
0
35% of peers hold subspecialties
NPI lifetime · 2016 → 2026
2016-04Enumerated in NPPES
2016
2026
Where they practice
Practice location
287 W Jefferson St
Boise, ID 837026045
Mailing address
190 E Bannock St
Boise, ID 837126241
Additional practice locations
2 secondary locations on file with NPPES.
Location 2
633 N 4th St
Boise, ID 837024510
Location 3
1825 S Kimball Ave
Caldwell, ID 836054828
Specialties
-
Physician Assistant PrimaryA physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally...
Practice context
Part of a multi-provider practice. 17 other active providers share this practice address in NPPES.
Recently enumerated nearby: 3 new physician assistant providers have been added in Boise in the last 180 days.
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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.