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L. WILLIAM D. NOWIERSKI, M.D. PA
NPI 1710166004
Clinic/Center - Medical Specialty in Boise, ID

Active since November 02, 2007CLIA 13D0521523 · Certificate of Compliance
100 WARM SPRINGS AVE, STE. A, BOISE, ID 83712(208) 343-5910(208) 384-8562 Get Directions Write a Review

NPPES record last updated: November 2, 2007. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About L. William D. Nowierski, M.d. Pa NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

L. WILLIAM D. NOWIERSKI, M.D. PA (NPI 1710166004) is a healthcare organization registered as a medical specialty in Boise, Idaho and active in the NPI registry since November 2007. The organization holds a CLIA Certificate of Compliance certificate valid through January 11, 2028 and lists L. William D Nowierski, Owner/physician, as its authorized official.

NPPES Registry Identity

NPI1710166004
Entity TypeOrganization
Primary Taxonomy261QM2500X
Legal Business NameL. WILLIAM D. NOWIERSKI, M.D. PA
Location Address100 WARM SPRINGS AVE, STE. ABoise, ID 83712-6243
Mailing Address100 Warm Springs Ave, Ste. ABoise, ID 83712-6243 · (208) 343-5910 · Fax (208) 384-8562
Phone(208) 343-5910
Fax(208) 384-8562
Organization SubpartNo
Authorized OfficialL. William D NowierskiOwner/physician · (208) 343-5910
Enumeration DateNovember 2, 2007
✔ NPI 1710166004 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyClinic/Center · Medical SpecialtyAmbulatory Health Care Facilities
Taxonomy Code261QM2500X
License✔ Licensed in ID · M4341
Definition
An 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 to meet specific public health needs (e.g., infectious diseases or breast and cervical cancer).
100 WARM SPRINGS AVE, Boise, ID 83712
Open in Google Maps ↗

Other Identifiers 3

Medicare UPINC47843ID
Other4341-4ID · Blue Cross Of Idaho
Medicare PIN1114483ID

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Compliance 13D0521523

L William D Nowierski, MD · Boise, ID
Active · expires Jan 11, 2028
CLIA Number13D0521523
Laboratory TypePhysician Office
Certificate Effective DateJanuary 12, 2026
Certificate Expiration DateJanuary 11, 2028
Laboratory DirectorL William Nowierski
Laboratory Phone(208) 343-5910
Laboratory LocationL William D Nowierski, MD100 E Warm Springs Ave, Ste #a, Boise, ID 83712
CLIA data matches this NPI record on: Phone
This certificate is issued to a laboratory after an inspection that finds the laboratory to be in compliance with all applicable CLIA requirements.

Other Providers at the Same Location NPPES 4

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

BENJAMIN JOSEPH KARSTEN MD
Surgery
100 WARM SPRINGS AVE, STE B
BOISE, ID 83712
Ada County (208) 381-2222
DR. LEON WILLIAM NOWIERSKI M.D.
Dermatology
100 WARM SPRINGS AVE, SUITE A
BOISE, ID 83712
Ada County (208) 343-5910
DR. J. CHRIS CHRISTOPHER KANTARIAN MD
Colon & Rectal Surgery
100 WARM SPRINGS AVE, STE B
BOISE, ID 83712
Ada County (208) 381-6930
RENEE A. BOURQUARD MD
Surgery
100 WARM SPRINGS AVE, STE B
BOISE, ID 83712
Ada County (208) 381-6930

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is L. William D. Nowierski, M.D. PA's NPI number?

The NPI number for L. William D. Nowierski, M.D. PA is 1710166004. It was assigned to this organization in the NPPES registry on November 2, 2007.

Where is L. William D. Nowierski, M.D. PA located?

L. William D. Nowierski, M.D. PA is located at 100 Warm Springs Ave Ste. A, Boise, ID 83712. The listed phone number is (208) 343-5910.

What is L. William D. Nowierski, M.D. PA's specialty?

The primary specialty registered for this NPI is Clinic/Center, specializing in Medical Specialty, with taxonomy code 261QM2500X.

Does L. William D. Nowierski, M.D. PA hold a CLIA laboratory certificate?

Yes. A Certificate of Compliance (number 13D0521523) is associated with this NPI, valid through January 11, 2028. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for L. William D. Nowierski, M.D. PA was last updated on November 2, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.