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Family Practice

Shawn C. Nowierski, MD

Works at hospitals in Nampa, ID · Boise, ID · Idaho

Summary

Dr. Shawn C. Nowierski, MD is a family doctor at 323 E Riverside Dr, Suite 136, Eagle, ID 83616. Phone: (208) 939-3197. Accepts Medicare assignment. In 2024, Shawn C. Nowierski had 279 Original Medicare patients and 1,541 services. NPI 1437109089. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

From official Medicare data

This page shows what Medicare's official clinician data says about Shawn C. Nowierski, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Shawn C. Nowierski accept Medicare assignment?
Yes. Medicare's clinician data says Shawn C. Nowierski accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Shawn C. Nowierski see?
In 2024, CMS data shows 279 Original Medicare patients and 1,541 services for Shawn C. Nowierski. This counts Original Medicare only and measures volume, not quality.
What is Shawn C. Nowierski's NPI number?
1437109089. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Shawn C. Nowierski, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients279
Services billed to Medicare1,541
Different services or procedures30
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. Insertion of needle into vein for collection of blood sample (36415)366 services
  2. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)312 services
  3. Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more (99212)179 services
  4. Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)174 services
  5. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)138 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High cholesterol64%
  • High blood pressure59%
  • Arthritis44%
  • Anxiety18%
  • Diabetes15%
  • Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)15%

Hospitals where Shawn C. Nowierski works

Medicare's Facility Affiliation Data lists Shawn C. Nowierski at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

Practice locations

Addresses where Shawn C. Nowierski is enrolled with Medicare (CMS data updated October 2, 2026).

Specialties

Find other Family Practice doctors in Idaho →

Other family doctors in Eagle

Clinicians with the same Medicare primary specialty in Eagle, ID — not a recommendation.

All family doctors in Eagle →

Clinician information

CredentialMD
Medical schoolUniversity Of Utah School Of Medicine
Graduation year1995 (31 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1437109089
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians