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CHRISTOPHER B THORSON
NPI 1356315170
Nurse Anesthetist, Certified Registered in Sioux Falls, SD

Active since February 16, 2006Accepts Medicare Assignment
1305 W 18TH ST, SIOUX FALLS, SD 57105(605) 333-1000 Get Directions Write a Review

NPPES record last updated: September 24, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Apr 3, 2023, Mar 8, 2023 (2 updates tracked since 2023).

About Christopher B Thorson NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

CHRISTOPHER B THORSON (NPI 1356315170) is an individual nurse anesthetist, certified registered in Sioux Falls, South Dakota, licensed in South Dakota (0598) and active in the NPI registry since February 2006. He is affiliated with Sanford Usd Medical Center, maintains 2 additional practice locations, and is a graduate of Other (2004).

NPPES Registry Identity

NPI1356315170
Entity TypeIndividualMale
Primary Taxonomy367500000X
Provider Legal NameCHRISTOPHER B THORSON
Location Address1305 W 18TH STSioux Falls, SD 57105-0401
Mailing AddressPo Box 5074Sioux Falls, SD 57117-5074
Phone(605) 333-1000
Sole ProprietorNo
Medical School CMSOtherGraduated 2004
Enumeration DateFebruary 16, 2006
Last NPPES UpdateSeptember 24, 20252 updates tracked since enumeration
NPPES CertifiedSeptember 24, 2025
✔ NPI 1356315170 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Anesthetist, Certified RegisteredPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code367500000X
Licenses✔ Licensed in SD · 0598✔ Licensed in ND · R42766
Definition
(1) A licensed registered nurse with advanced specialty education in anesthesia who, in collaboration with appropriate health care professionals, provides preoperative, intraoperative, and postoperative care to patients and assists in management and resuscitation of critical patients in intensive care, coronary care, and emergency situations. Nurse anesthetists are certified following successful completion of credentials and state licensure review and a national examination directed by the Council on Certification of Nurse Anesthetists. (2) A registered nurse who is qualified by special training to administer anesthesia in collaboration with a physician or dentist and who can assist in the care of patients who are in critical condition.
1305 W 18TH ST, Sioux Falls, SD 57105
Open in Google Maps ↗

Secondary Practice Locations 2

Location 11 Burdick Expy WMinot, ND 58701-4406 · Phone (701) 857-5124
Location 22305 37th Ave SWMinot, ND 58701-7669 · Phone (701) 857-5000

Other Identifiers 1

Medicaid5754710SD

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross Blue Shield of North Dakota, Wellmark Health Plan of Iowa, Inc., Wellmark of South Dakota, Inc..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

Christopher B Thorson 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.

PECOS PAC ID4688626633
PECOS Enrollment IDI20050217000604

Medicare Billing Reassignments

5

Medicare enrollment records show Christopher Thorson reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Sanford Medical Center
0.7 mi
Family Medicine
1420 W 22NDST STE 104
Sioux Falls, SD 57105
  • Reassigned Medicare billing, South Dakota enrollment
  • 1,097 clinicians in this Medicare group
NPI 1093090342 (605) 328-4897
Sanford Health Network
19 mi
Family Medicine
400 N HIAWATHA DRIVE
Canton, SD 57013
  • Reassigned Medicare billing, South Dakota enrollment
  • Also billed through NPI 1265718571 (South Dakota)
  • 422 clinicians in this Medicare group
NPI 1033140454 (605) 987-4378
Pioneer Memorial Hospital & Health Services
30 mi
Critical Access
315 N WASHINGTON ST
Viborg, SD 57070
  • Reassigned Medicare billing, South Dakota enrollment
  • 16 clinicians in this Medicare group
NPI 1598713281 (605) 326-5161
Alegent Creighton Clinic
160 mi
Internal Medicine
12809 W DODGE ROAD
Omaha, NE 68154
  • Reassigned Medicare billing, Nebraska enrollment
  • 1,045 clinicians in this Medicare group
NPI 1154680700 (402) 398-6255
Trinity Health
390 mi
Multi-Specialty
2305 37TH AVE SW
Minot, ND 58701
  • Reassigned Medicare billing, North Dakota enrollment
  • 339 clinicians in this Medicare group
NPI 1083653752 (701) 857-5000

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 2

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.

Anesthesia for other procedure on large bowel using an endoscope 00811
Anesthesia for an endoscopic procedure on the large bowel ensures comfort and relaxation during the procedure. You'll be given medication to make you drowsy or asleep, eliminating any discomfort. The medication can be administered through a vein or inhaled.
24 services23 patients
Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 00731
This procedure involves the use of an endoscope, a flexible tube with a light and camera, to examine your esophagus, stomach, or upper small bowel. Anesthesia ensures you are comfortable and pain-free during the procedure.
15 services14 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Sanford Usd Medical Center

Acute Care Hospitals · Sioux Falls, SD
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number430027
Location1305 W 18th St Post Office Box 5039Sioux Falls, SD 57117 · Minnehaha County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 57105 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$126.78 typical visit price
range $55.52 – $167.23
Typical copayment $31.69 (range $13.88 – $41.80)
Most-billed visit code 99204
Established Patient
$69.20 typical visit price
range $18.08 – $137.08
Typical copayment $17.30 (range $4.52 – $34.27)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

JEDD D BIALAS CRNA
Nurse Anesthetist, Certified Registered
1305 W 18TH ST
SIOUX FALLS, SD 57105
Minnehaha County (605) 333-1000
AARON DANIEL MORTENSEN CRNA
Nurse Anesthetist, Certified Registered
1305 W 18TH ST
SIOUX FALLS, SD 57105
Minnehaha County (605) 333-1000
DR. JULIANA JOHNSON FERRI GUERRA MD
Internal Medicine (Endocrinology, Diabetes & Metabolism)
1305 W 18TH ST
SIOUX FALLS, SD 57105
Minnehaha County (605) 328-8700
PAUL E GILMORE CRNA
Nurse Anesthetist, Certified Registered
1305 W 18TH ST
SIOUX FALLS, SD 57105
Minnehaha County (605) 333-1000
BETH ABRAHAMSON
Nurse Practitioner (Neonatal)
1305 W 18TH ST
SIOUX FALLS, SD 57105
Minnehaha County (605) 328-3006
RYAN LAWRENCE TENNANT CNP
Nurse Practitioner
1305 W 18TH ST
SIOUX FALLS, SD 57105
Minnehaha County (605) 333-1000
LCM PATHOLOGISTS PC
Pathology (Anatomic Pathology & Clinical Pathology)
1305 W 18TH ST
SIOUX FALLS, SD 57105
Minnehaha County (800) 284-9806
ARLEIGH TRAINOR MD
Emergency Medicine
1305 W 18TH ST
SIOUX FALLS, SD 57105
Minnehaha County (605) 333-1000

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 Christopher Thorson's NPI number?

The NPI number for Christopher Thorson is 1356315170. It was assigned to this individual provider in the NPPES registry on February 16, 2006.

Where is Christopher Thorson located?

Christopher Thorson practices at 1305 W 18th St, Sioux Falls, SD 57105. The listed phone number is (605) 333-1000.

What is Christopher Thorson's specialty?

The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.

Is Christopher Thorson enrolled in Medicare?

Yes. Christopher Thorson 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 Christopher Thorson's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Christopher Thorson reassigns Medicare benefits to 5 organizations: Sanford Medical Center (Sioux Falls, SD), Sanford Health Network (Canton, SD), Pioneer Memorial Hospital & Health Services (Viborg, SD), Alegent Creighton Clinic (Omaha, NE) and Trinity Health (Minot, 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 Christopher Thorson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Christopher Thorson accept?

Health plans from Blue Cross Blue Shield of North Dakota, Wellmark Health Plan of Iowa, Inc. and Wellmark of South Dakota, Inc. list Christopher Thorson 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 Christopher Thorson affiliated with any hospitals?

According to CMS data, Christopher Thorson is affiliated with Sanford Usd Medical Center.

When was this NPI record last updated?

The NPPES record for Christopher Thorson was last updated on September 24, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.