NPI age
18 years
Enumerated 2007-11-02
● Active Type 2 · Organization
L. William D. Nowierski, M.D. PA
L. William D. Nowierski, M.D. PA is 1 of 36 clinic/center organizations in Idaho.
Primary specialty
Clinic/Center
Practice locations
1
0 secondary on file
Status
Active
No deactivations on record
Authorized official
Nowierski
Owner/physician
Last NPPES update
2007-11-02
Source: monthly bulk 2026-05
How this organization compares
Across 36 active clinic/center providers in Idaho.
NPI age
18 years
↑ 3 yr above median
Practice locations
1
0 secondary on file
Subspecialties
0
NPI lifetime · 2007 → 2026
2007-11Enumerated in NPPES
2007
2026
Where they practice
Primary practice location
100 Warm Springs Ave, Ste. A
Boise, ID 837126243
Mailing address
100 Warm Springs Ave, Ste. A
Boise, ID 837126243
Authorized official
L. William D Nowierski, M.D.
Owner/physician
📞 2083435910
Individual providers at this organization
4 individual providers on file at this primary practice address.
- Renee Bourquard, MD Surgery NPI 1790737591
- J. Chris Kantarian, MD Colon & Rectal Surgery NPI 1699774042
- Benjamin Karsten, MD Surgery NPI 1124227137
- Leon Nowierski, M.D. Dermatology NPI 1376610048
Specialties
-
Clinic/Center PrimaryAn entity, facility, or distinct part of a facility providing diagnostic, treatment, and prescriptive services related to a specific area of medical specialization. Frequently used for Title V related Children's Specialty services or...
Identifiers
| Type | Value | Notes |
|---|---|---|
| 01 (ID) | 4341-4 | BLUE CROSS OF IDAHO |
Practice context
Multi-provider organization. 4 individual providers on file at this primary address.
Provyx · Custom healthcare lists
Need all 36 Clinic/Center providers in Idaho?
Get the full list as a CSV with verified work emails, direct phones, and LinkedIn URLs.
Request a quote →How to verify this organization
- Confirm the NPI on NPPES.The CMS registry is the system of record. Open NPPES →
- Verify the organization is in good standing.Cross-check with the state's business registration and any applicable licensing boards.
- Confirm payer enrollment if billing.NPI presence does not guarantee active enrollment with Medicare, Medicaid, or commercial payers.