NPI age
19 years
Enumerated 2006-10-10
● Active
Type 1 · Individual
DR. Heather Hammerstedt, M.D.
Hammerstedt is 1 of 109 emergency medicine providers in Boise and 1 of 336 in Idaho.
Primary specialty
Emergency Medicine
Plus 3 subspecialties
Licensed in
ID, WA, MA, OR
4 states
Status
Active
No deactivations on record
Last NPPES update
2026-03-10
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org
How this provider compares
Across 336 active emergency medicine providers in Idaho.
NPI age
19 years
≈ at median (18 yr)
State licenses
4 states
Top 59% — 40% of peers are multi-state
Subspecialties
0
51% of peers hold subspecialties
NPI lifetime · 2006 → 2026
2006-10Enumerated in NPPES
2006
2026
Where they practice
Practice location
6051 W Emerald St
Boise, ID 837048969
Mailing address
Po Box 190930
Boise, ID 837190930
Additional practice locations
2 secondary locations on file with NPPES.
Location 2
4205 Kitsap Way
Bremerton, WA 983122447
Location 3
1000 State St
McCall, ID 836383704
Specialties
-
Emergency Medicine PrimaryAn emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department....
Identifiers
| Type | Value | Notes |
|---|---|---|
| 05 (ID) | 808036000 |
Multi-state credentialing: Licensed in 4 states. Useful context for credentialers building cross-state provider networks.
Practice context
Part of a multi-provider practice. 53 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.
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