Quick answers
- Does David J. Schwartz V accept Medicare assignment?
- Yes. Medicare's clinician data says David J. Schwartz V 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 David J. Schwartz V see?
- In 2024, CMS data shows 110 Original Medicare patients and 1,275 services for David J. Schwartz V. This counts Original Medicare only and measures volume, not quality.
- What is David J. Schwartz V's NPI number?
- 1215914379. 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 David J. Schwartz V, 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 | 110 |
|---|---|
| Services billed to Medicare | 1,275 |
| Different services or procedures | 33 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Ct guidance for insertion of radiation therapy fields (77014)526 services
- Calculation of radiation therapy dose (77300)137 services
- Radiation treatment management, 5 treatment sessions (77427)129 services
- Design and construction of complex radiation treatment device (77334)81 services
- Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)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).
- Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)75%
- High blood pressure73%
- High cholesterol63%
- Arthritis42%
- Ischemic heart disease39%
- COPD30%
Hospitals where David J. Schwartz V works
Medicare's Facility Affiliation Data lists David J. Schwartz V 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.
- Essentia HealthFargo, ND · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 350070
- Essentia Health DuluthDuluth, MN · Acute Care Hospital · Emergency services: not listed by Medicare · CCN 240019
- Essentia Health St Mary's Medical CenterDuluth, MN · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 240002
- 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
Practice locations
Addresses where David J. Schwartz V is enrolled with Medicare (CMS data updated October 2, 2026).
- 1615 Maple Ln, Suite 1Ashland, WI 54806 (715) 685‑7500
- 1702 University Dr SFargo, ND 58103 (701) 364‑8900
- 420 E 1st StDuluth, MN 55805 (218) 786‑8364
Group practices
Medicare enrollment lists David J. Schwartz V as a member of these groups (CMS data updated October 2, 2026).
- The Duluth Clinic Ltd1,144 clinicians in the group
- Innovis Health LLC559 clinicians in the group
Specialties
- Radiation Oncologyprimary
Other radiation oncologists in Wisconsin
Clinicians with the same Medicare primary specialty in Wisconsin — not a recommendation.
Other clinicians in The Duluth Clinic Ltd
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Mayo Medical School |
| Graduation year | 2002 (24 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1215914379 |
| 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