NATHANIEL PAULSON M.D.
NPI 1700204674
Anesthesiology in Sioux Falls, SD
About Nathaniel Paulson M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
NATHANIEL PAULSON M.D. (NPI 1700204674) is an individual anesthesiology provider in Sioux Falls, South Dakota, licensed in South Dakota (17924) and active in the NPI registry since March 2014. He is enrolled in Medicare PECOS, is affiliated with Mercyone Des Moines Medical Center, and is a graduate of Sanford School Of Medicine Of University Of South Dakota (2014).
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Other Identifiers 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
Nathaniel Paulson M.d. 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
5Medicare enrollment records show Nathaniel Paulson reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Sioux Falls, SD 57105
- Reassigned Medicare billing, South Dakota enrollment
- 29 clinicians in this Medicare group
Sioux City, IA 51104
- Reassigned Medicare billing, Iowa enrollment
- 281 clinicians in this Medicare group
Sioux City, IA 51101
- Reassigned Medicare billing, Iowa enrollment
- 69 clinicians in this Medicare group
West Des Moines, IA 50266
- Reassigned Medicare billing, Iowa enrollment
- 83 clinicians in this Medicare group
West Des Moines, IA 50266
- Reassigned Medicare billing, Iowa enrollment
- 209 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 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Mercyone Des Moines Medical Center
Acute Care Hospitals · Des Moines, IASt Lukes Regional Medical Center
Acute Care Hospitals · Sioux City, IASanford Usd Medical Center
Acute Care Hospitals · Sioux Falls, SDOther Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SIOUX FALLS, SD 57105
SIOUX FALLS, SD 57105
SIOUX FALLS, SD 57105
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 Nathaniel Paulson's NPI number?
The NPI number for Nathaniel Paulson is 1700204674. It was assigned to this individual provider in the NPPES registry on March 28, 2014. The provider is also known as Nate Paulson.
Where is Nathaniel Paulson located?
Nathaniel Paulson practices at 1305 W 18th St, Sioux Falls, SD 57105. The listed phone number is (605) 333-1000.
What is Nathaniel Paulson's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Nathaniel Paulson enrolled in Medicare?
Yes. Nathaniel Paulson 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 Nathaniel Paulson's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Nathaniel Paulson reassigns Medicare benefits to 5 organizations: Anesthesia Physicians Ltd (Sioux Falls, SD), Northwest Iowa Hospital Corporation (Sioux City, IA), Mhc Anesthesia Services (Sioux City, IA), Medical Center Anesthesiologists, P.C. (West Des Moines, IA) and Cep America - Anesthesia PC (West Des Moines, IA). 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 Nathaniel Paulson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Nathaniel Paulson 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 Nathaniel Paulson 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 Nathaniel Paulson affiliated with any hospitals?
According to CMS data, Nathaniel Paulson is affiliated with Mercyone Des Moines Medical Center, St Lukes Regional Medical Center and Sanford Usd Medical Center.
When was this NPI record last updated?
The NPPES record for Nathaniel Paulson was last updated on January 16, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 months 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.
# Nathaniel Paulson, M.D. · NPI 1700204674
Anesthesiology physician in Sioux Falls, South Dakota. Individual provider, active in the CMS NPPES registry since March 28, 2014.
## Identity
- **NPI:** 1700204674 (Entity type: Individual)
- **Enumerated:** March 28, 2014
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** 17924 (South Dakota)
- **Sole proprietor:** No
## Practice location
- **Address:** 1305 W 18TH ST, Sioux Falls, SD 57105-0401
- **Phone:** (605) 333-1000
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 5 organizations under Medicare reassignment (form CMS-855R): Anesthesia Physicians Ltd (NPI 1851343487, Sioux Falls, SD); Northwest Iowa Hospital Corporation (NPI 1215962550, Sioux City, IA); Mhc Anesthesia Services (NPI 1639244270, Sioux City, IA); Medical Center Anesthesiologists, P.C. (NPI 1073552428, West Des Moines, IA); Cep America - Anesthesia PC (NPI 1194516146, West Des Moines, IA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Sanford School Of Medicine Of University Of South Dakota, class of 2014
## Record status
- **NPPES last updated:** January 16, 2026
- **Other identifiers:** Medicaid 1700204674 (WA)
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Source: [NPI Profile](https://npiprofile.com/npi/1700204674) · Data from the CMS NPPES public registry.