NPI age
19 years
Enumerated 2006-10-27
● Active
Type 1 · Individual
Penelope Darell Barnes
Barnes is 1 of 19 internal medicine providers in Boise and 1 of 32 in Idaho.
Primary specialty
Internal Medicine
Plus 1 subspecialty
Licensed in
ID, WA
2 states
Status
Active
No deactivations on record
Last NPPES update
2023-12-21
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org
How this provider compares
Across 32 active internal medicine providers in Idaho.
NPI age
19 years
≈ at median (19 yr)
State licenses
2 states
Top 53% — 46% of peers are multi-state
Subspecialties
0
53% of peers hold subspecialties
NPI lifetime · 2006 → 2026
2006-10Enumerated in NPPES
2006
2026
Where they practice
Practice location
5966 W Curtisian Ave
Boise, ID 837048801
Mailing address
Po Box 190930
Boise, ID 837190930
Additional practice locations
1 secondary location on file with NPPES.
Location 2
University Of Washington Medical Ctr, 1959 Ne Pacific St
Seattle, WA 981956166
Specialties
-
Internal Medicine PrimaryAn internist who deals with infectious diseases of all types and in all organ systems. Conditions requiring selective use of antibiotics call for this special skill. This physician often diagnoses and treats AIDS patients and patients...
Identifiers
| Type | Value | Notes |
|---|---|---|
| 05 (WA) | 8451163 | |
| 01 | 308120 | INTERNAL ID-MOTOR VEHICLE ID |
Multi-state credentialing: Licensed in 2 states. Useful context for credentialers building cross-state provider networks.
Practice context
Part of a multi-provider practice. 23 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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