Quick answers
- Does Cynthia A. Sandberg accept Medicare assignment?
- Yes. Medicare's clinician data says Cynthia A. Sandberg 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 Cynthia A. Sandberg see?
- In 2024, CMS data shows 20 Original Medicare patients and 43 services for Cynthia A. Sandberg. This counts Original Medicare only and measures volume, not quality.
- What is Cynthia A. Sandberg's NPI number?
- 1699724104. 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 Cynthia A. Sandberg, 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 | 20 |
|---|---|
| Services billed to Medicare | 43 |
| Different services or procedures | 7 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Amplifed dna or rna probe detection of severe acute respiratory syndrome coronavirus 2 (covid-19) antigen (87635)14 services
- Detection test by nucleic acid for multiple types influenza virus (87502)13 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%
Hospitals where Cynthia A. Sandberg works
Medicare's Facility Affiliation Data lists Cynthia A. Sandberg 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.
- Cook HospitalCook, MN · Critical Access Hospital · Emergency services: listed by Medicare · CCN 241312
Practice locations
Addresses where Cynthia A. Sandberg is enrolled with Medicare (CMS data updated October 2, 2026).
- 20 5th St SECook, MN 55723 (218) 666‑5941
- 239 McKinley AveEveleth, MN 55734 (218) 741‑1800
Group practices
Medicare enrollment lists Cynthia A. Sandberg as a member of this group (CMS data updated October 2, 2026).
- Cook Area Health Services, Inc27 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Cook
Clinicians with the same Medicare primary specialty in Cook, MN — not a recommendation.
Other clinicians in Cook Area Health Services, Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Graduation year | 1998 |
|---|---|
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1699724104 |
| 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