Quick answers
- Does Chelsea Vollmer accept Medicare assignment?
- Yes. Medicare's clinician data says Chelsea Vollmer 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 Chelsea Vollmer see?
- In 2024, CMS data shows 240 Original Medicare patients and 2,247 services for Chelsea Vollmer. This counts Original Medicare only and measures volume, not quality.
- What is Chelsea Vollmer's NPI number?
- 1871154211. 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 Chelsea Vollmer, 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 | 240 |
|---|---|
| Services billed to Medicare | 2,247 |
| Different services or procedures | 32 |
| Participating Medicare provider | Yes |
| Average age of these patients | 86 |
Most frequent services
- Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes (99349)953 services
- Residence visit for established patient with high level of medical decision making, per day, if using time, at least 60 minutes (99350)350 services
- Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month (99490)334 services
- Residence visit for established patient with low level of medical decision making, per day, if using time, at least 30 minutes (99348)215 services
- Removal of impacted ear wax (69210)94 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%
- Arthritis61%
- Alzheimer's disease or dementia53%
- Chronic kidney disease47%
- Depression46%
Hospitals where Chelsea Vollmer works
Medicare's Facility Affiliation Data lists Chelsea Vollmer 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.
- Trinity HospitalsMinot, ND · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 350006
Practice locations
Addresses where Chelsea Vollmer is enrolled with Medicare (CMS data updated October 2, 2026).
- 2100 S Columbia Rd, Suite 114Grand Forks, ND 58201 (701) 516‑4637
- 3124 Colorado Ln, Apt 709Bismarck, ND 58503 (701) 516‑4637
- 800 16th Ave SEMinot, ND 58701 (701) 516‑4637
Group practices
Medicare enrollment lists Chelsea Vollmer as a member of these groups (CMS data updated October 2, 2026).
- Legacy Medical LLC18 clinicians in the group
- Legacy Primary Care PLLC17 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Grand Forks
Clinicians with the same Medicare primary specialty in Grand Forks, ND — not a recommendation.
Other clinicians in Legacy Medical LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2019 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1871154211 |
| 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