SYDNEY DAVIS
NPI 1356738918
Nurse Anesthetist, Certified Registered in Vermillion, SD
About Sydney Davis NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SYDNEY DAVIS (NPI 1356738918) is an individual nurse anesthetist, certified registered in Vermillion, South Dakota, licensed in South Dakota (CR000971) and active in the NPI registry since April 2015. She is enrolled in Medicare PECOS, is affiliated with Sioux Falls Specialty Hospital, and maintains 3 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 3
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
Sydney Davis 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
8Medicare enrollment records show Sydney Davis reassigns Medicare billing to 8 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Vermillion, SD 57069
- Reassigned Medicare billing, South Dakota enrollment
- 43 clinicians in this Medicare group
Yankton, SD 57078
- Reassigned Medicare billing, South Dakota enrollment
- 227 clinicians in this Medicare group
Dakota Dunes, SD 57049
- Reassigned Medicare billing, South Dakota enrollment
- 62 clinicians in this Medicare group
Sioux City, IA 51104
- Reassigned Medicare billing, Iowa enrollment
- 41 clinicians in this Medicare group
Sioux City, IA 51104
- Reassigned Medicare billing, Iowa enrollment
- 281 clinicians in this Medicare group
South Sioux City, NE 68776
- Reassigned Medicare billing, Nebraska enrollment
- 32 clinicians in this Medicare group
Le Mars, IA 51031
- Reassigned Medicare billing, Iowa enrollment
- 40 clinicians in this Medicare group
Sioux Falls, SD 57105
- Reassigned Medicare billing, South Dakota enrollment
- 66 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.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Sioux Falls Specialty Hospital
Acute Care Hospitals · Sioux Falls, SDSanford Vermillion Hospital
Critical Access Hospitals · Vermillion, SDPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 57069 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
VERMILLION, SD 57069
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 Sydney Davis's NPI number?
The NPI number for Sydney Davis is 1356738918. It was assigned to this individual provider in the NPPES registry on April 22, 2015.
Where is Sydney Davis located?
Sydney Davis practices at 20 S Plum St, Vermillion, SD 57069. The listed phone number is (605) 677-3700.
What is Sydney Davis's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is Sydney Davis enrolled in Medicare?
Yes. Sydney Davis 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 Sydney Davis's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Sydney Davis reassigns Medicare benefits to 8 organizations: Sanford Health Network (Vermillion, SD), Sacred Heart Health Services (Yankton, SD), Siouxland Anesthesiology, Ltd (Dakota Dunes, SD), Anesthesia Consultants PC (Sioux City, IA), Northwest Iowa Hospital Corporation (Sioux City, IA) and 3 more organizations, listed in the Medicare section above. 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 Sydney Davis's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Sydney Davis accept?
Health plans from Avera Health Plans, Oscar Health, Oscar Insurance Company, Wellmark Health Plan of Iowa, Inc. and Wellmark of South Dakota, Inc. list Sydney Davis 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 Sydney Davis affiliated with any hospitals?
According to CMS data, Sydney Davis is affiliated with Sioux Falls Specialty Hospital and Sanford Vermillion Hospital.
When was this NPI record last updated?
The NPPES record for Sydney Davis was last updated on May 2, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Sydney Davis · NPI 1356738918
Nurse Anesthetist, Certified Registered physician in Vermillion, South Dakota. Individual provider, active in the CMS NPPES registry since April 22, 2015.
## Identity
- **NPI:** 1356738918 (Entity type: Individual)
- **Enumerated:** April 22, 2015
- **Primary specialty:** Nurse Anesthetist, Certified Registered · taxonomy 367500000X
- **State license:** CR000971 (South Dakota)
- **Sole proprietor:** No
## Practice location
- **Address:** 20 S PLUM ST, Vermillion, SD 57069
- **Phone:** (605) 677-3700
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging
- **Bills Medicare through:** 8 organizations under Medicare reassignment (form CMS-855R): Sanford Health Network (NPI 1013921733, Vermillion, SD); Sacred Heart Health Services (NPI 1003585548, Yankton, SD); Siouxland Anesthesiology, Ltd (NPI 1669496337, Dakota Dunes, SD); Anesthesia Consultants PC (NPI 1497854574, Sioux City, IA); Northwest Iowa Hospital Corporation (NPI 1215962550, Sioux City, IA); and 3 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2015
## Record status
- **NPPES last updated:** May 2, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1356738918) · Data from the CMS NPPES public registry.