Quick answers
- Does Justin S. Cummins accept Medicare assignment?
- Yes. Medicare's clinician data says Justin S. Cummins 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 S. Cummins see?
- In 2024, CMS data shows 62 Original Medicare patients and 257 services for Justin S. Cummins. This counts Original Medicare only and measures volume, not quality.
- What is Justin S. Cummins's NPI number?
- 1003911603. 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 S. Cummins, 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 patients | 62 |
|---|---|
| Services billed to Medicare | 257 |
| Different services or procedures | 29 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- X-ray of knee, 4 or more views (73564)20 services
- New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)14 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)14 services
- Insertion of needle into vein for collection of blood sample (36415)12 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).
- Arthritis75%
- High cholesterol71%
- High blood pressure65%
- Depression21%
- Anxiety21%
- Chronic kidney disease21%
Hospitals where Justin S. Cummins works
Medicare's Facility Affiliation Data lists Justin S. Cummins 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.
- St Lukes HospitalDuluth, MN · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 240047
- St Marys Hospital SuperiorSuperior, WI · Critical Access Hospital · Emergency services: listed by Medicare · CCN 521329
- Tamarack Health Ashland Medical CenterAshland, WI · Critical Access Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 521359
- Tamarack Health Hayward Medical CenterHayward, WI · Critical Access Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 521336
Practice locations
Addresses where Justin S. Cummins is enrolled with Medicare (CMS data updated October 2, 2026).
- 10405 Vermont AveHayward, WI 54843 (715) 699‑1355
- 1600 Miller Trunk HwyDuluth, MN 55811 (218) 786‑5360
- 1600 Miller Trunk Hwy, Bldg CDuluth, MN 55811 (218) 786‑5360
- 1615 Maple LnAshland, WI 54806 (715) 682‑5500
Group practices
Medicare enrollment lists Justin S. Cummins as a member of these groups (CMS data updated October 2, 2026).
- Polinsky Medical Rehabilitation Center382 clinicians in the group
- Advantage Physical Therapy and Sports Rehab, LLC294 clinicians in the group
- Memorial Medical Center Inc79 clinicians in the group
Specialties
- Orthopedic Surgeryprimary
Other orthopedic surgeons in Hayward
Clinicians with the same Medicare primary specialty in Hayward, WI — not a recommendation.
Other clinicians in Polinsky Medical Rehabilitation Center
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Washington School Of Medicine |
| Graduation year | 2002 (24 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1003911603 |
| Corrections | Report 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians