SARAH KAY UNDERHILL CRNA
NPI 1871024919
Nurse Anesthetist, Certified Registered in Fargo, ND
About Sarah Kay Underhill Crna NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SARAH KAY UNDERHILL CRNA (NPI 1871024919) is an individual nurse anesthetist, certified registered in Fargo, North Dakota, licensed in North Dakota (R36339) and active in the NPI registry since March 2017. She is affiliated with Sanford Medical Center Fargo and is a graduate of Other (2017).
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Sarah Kay Underhill Crna is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
2Medicare enrollment records show Sarah Underhill reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Fargo, ND 58102
- Reassigned Medicare billing, North Dakota enrollment
- 1,464 clinicians in this Medicare group
Fargo, ND 58103
- Reassigned Medicare billing, North Dakota enrollment
- 25 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 4
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Sanford Medical Center Fargo
Acute Care Hospitals · Fargo, NDPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 58102 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Sarah Underhill's NPI number?
The NPI number for Sarah Underhill is 1871024919. It was assigned to this individual provider in the NPPES registry on March 21, 2017. The provider is also known as Sarah Kay Osman.
Where is Sarah Underhill located?
Sarah Underhill practices at 801 Broadway N, Fargo, ND 58102. The listed phone number is (701) 234-6963.
What is Sarah Underhill's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is Sarah Underhill enrolled in Medicare?
Yes. Sarah Underhill is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Sarah Underhill's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Sarah Underhill reassigns Medicare benefits to 2 organizations: Sanford Medical Center Fargo (Fargo, ND) and Cssa, LLC (Fargo, ND). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Sarah Underhill's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Sarah Underhill accept?
Health plans from Blue Cross Blue Shield of North Dakota and Sanford Health Plan list Sarah Underhill as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Sarah Underhill affiliated with any hospitals?
According to CMS data, Sarah Underhill is affiliated with Sanford Medical Center Fargo.
When was this NPI record last updated?
The NPPES record for Sarah Underhill was last updated on March 21, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Sarah Kay Underhill, CRNA · NPI 1871024919
Nurse Anesthetist, Certified Registered physician in Fargo, North Dakota. Individual provider, active in the CMS NPPES registry since March 21, 2017.
## Identity
- **NPI:** 1871024919 (Entity type: Individual)
- **Enumerated:** March 21, 2017
- **Primary specialty:** Nurse Anesthetist, Certified Registered · taxonomy 367500000X
- **State license:** R36339 (North Dakota)
- **Sole proprietor:** No
## Practice location
- **Address:** 801 BROADWAY N, Fargo, ND 58102-3641
- **Phone:** (701) 234-6963
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Sanford Medical Center Fargo (NPI 1952323974, Fargo, ND); Cssa, LLC (NPI 1942830856, Fargo, ND) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2017
## Record status
- **NPPES last updated:** March 21, 2017
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Source: [NPI Profile](https://npiprofile.com/npi/1871024919) · Data from the CMS NPPES public registry.