Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Pulmonary Disease

Justin P. Stocks, MD

Works at hospitals in Wadena, MN · Redwood Falls, MN · Saint Cloud, MN … · Minnesota

Summary

Dr. Justin P. Stocks, MD is a pulmonologist at 101 Willmar Ave SW, Willmar, MN 56201. Phone: (320) 231-5000. Accepts Medicare assignment. In 2024, Justin P. Stocks had 318 Original Medicare patients and 792 services. NPI 1811124837. 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 Justin P. Stocks, 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 Justin P. Stocks accept Medicare assignment?
Yes. Medicare's clinician data says Justin P. Stocks 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 Justin P. Stocks see?
In 2024, CMS data shows 318 Original Medicare patients and 792 services for Justin P. Stocks. This counts Original Medicare only and measures volume, not quality.
What is Justin P. Stocks's NPI number?
1811124837. 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 Justin P. Stocks, 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 patients318
Services billed to Medicare792
Different services or procedures54
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)109 services
  2. Critical care, first 30-74 minutes (99291)108 services
  3. Test to examine how well the lungs exchange gases (94729)84 services
  4. Test to determine lung volumes using sensors (94726)68 services
  5. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)51 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 blood pressure75%
  • High cholesterol75%
  • COPD53%
  • Ischemic heart disease48%
  • Arthritis46%
  • Heart failure42%

Hospitals where Justin P. Stocks works

Medicare's Facility Affiliation Data lists Justin P. Stocks 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.

  • Astera HealthWadena, MN · Critical Access Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 241354
  • CentraCare - RedwoodRedwood Falls, MN · Critical Access Hospital · Emergency services: listed by Medicare · CCN 241351
  • CentraCare - St. Cloud HospitalSaint Cloud, MN · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 240036
  • Centracare- Rice Memorial HospitalWillmar, MN · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 240088
  • Meeker Memorial HospitalLitchfield, MN · Critical Access Hospital · Emergency services: listed by Medicare · CCN 241366

Practice locations

Addresses where Justin P. Stocks is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Justin P. Stocks as a member of these groups (CMS data updated October 2, 2026).

  • CentraCare Clinic791 clinicians in the group
  • CentraCare Clinic Southwest LLC170 clinicians in the group
  • CentraCare Health-Paynesville LLC58 clinicians in the group

Specialties

Find other Pulmonary Disease doctors in Minnesota →

Other pulmonologists in Minnesota

Clinicians with the same Medicare primary specialty in Minnesota — not a recommendation.

All pulmonologists in Minnesota →

Other clinicians in CentraCare Clinic

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Medical schoolLoma Linda University School Of Medicine
Graduation year2009 (17 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1811124837
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