Quick answers
- Does Sarah K. Underhill accept Medicare assignment?
- Yes. Medicare's clinician data says Sarah K. Underhill 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 Sarah K. Underhill see?
- In 2024, CMS data shows 250 Original Medicare patients and 278 services for Sarah K. Underhill. This counts Original Medicare only and measures volume, not quality.
- What is Sarah K. Underhill's NPI number?
- 1871024919. 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 Sarah K. Underhill, 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 | 250 |
|---|---|
| Services billed to Medicare | 278 |
| Different services or procedures | 24 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Anesthesia for lens surgery (00142)160 services
- Anesthesia for other procedure on eye (00140)26 services
- Anesthesia for procedure for total knee joint replacement (01402)23 services
- Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve) (64447)19 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 cholesterol70%
- High blood pressure68%
- Arthritis50%
- Ischemic heart disease22%
- Diabetes21%
- Anxiety21%
Hospitals where Sarah K. Underhill works
Medicare's Facility Affiliation Data lists Sarah K. Underhill 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.
- Sanford Medical Center FargoFargo, ND · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 350011
Practice locations
Addresses where Sarah K. Underhill is enrolled with Medicare (CMS data updated October 2, 2026).
- 801 Broadway NFargo, ND 58102 (701) 234‑2000
Group practices
Medicare enrollment lists Sarah K. Underhill as a member of this group (CMS data updated October 2, 2026).
- Sanford Medical Center Fargo1,225 clinicians in the group
Specialties
Find other clinicians: Certified Registered Nurse Anesthetist (CRNA), North Dakota →
Other nurse anesthetists in Fargo
Clinicians with the same Medicare primary specialty in Fargo, ND — not a recommendation.
Other clinicians in Sanford Medical Center Fargo
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | CNA |
|---|---|
| Graduation year | 2017 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1871024919 |
| 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