DR. THOMAS H FLESHER III M.D.
NPI 1053407619
Orthopaedic Surgery in Sioux Falls, SD
About Dr. Thomas H Flesher Iii M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. THOMAS H FLESHER III M.D. (NPI 1053407619) is an individual orthopaedic surgery provider in Sioux Falls, South Dakota, licensed in South Dakota (10375) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS, is affiliated with Sanford Canby Medical Center, and maintains a secondary practice location in Oklahoma City.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 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
Dr. Thomas H Flesher Iii 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
3Medicare enrollment records show Thomas Flesher reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Sioux Falls, SD 57104
- Reassigned Medicare billing, Iowa, Minnesota and South Dakota enrollments
- 59 clinicians in this Medicare group
Sioux Falls, SD 57105
- Reassigned Medicare billing, Iowa, Minnesota and South Dakota enrollments
- 41 clinicians in this Medicare group
Canton, SD 57013
- Reassigned Medicare billing, South Dakota and Minnesota enrollments
- Also billed through NPI 1497703045 (Minnesota), NPI 1831103449 (South Dakota)
- 422 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 7
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 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Sanford Canby Medical Center
Critical Access Hospitals · Canby, MNSanford Usd Medical Center
Acute Care Hospitals · Sioux Falls, SDPioneer Memorial Hospital - Cah
Critical Access Hospitals · Viborg, SDSanford Chamberlain Medical Center
Critical Access Hospitals · Chamberlain, SDSanford Vermillion Hospital
Critical Access Hospitals · Vermillion, SDPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 57104 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.
SIOUX FALLS, SD 57104
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 Thomas Flesher's NPI number?
The NPI number for Thomas Flesher is 1053407619. It was assigned to this individual provider in the NPPES registry on October 4, 2006.
Where is Thomas Flesher located?
Thomas Flesher practices at 1210 W 18th St Ste G01, Sioux Falls, SD 57104. The listed phone number is (605) 328-3944.
What is Thomas Flesher's specialty?
The primary specialty registered for this NPI is Orthopaedic Surgery with taxonomy code 207X00000X.
Is Thomas Flesher enrolled in Medicare?
Yes. Thomas Flesher 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 Thomas Flesher's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Thomas Flesher reassigns Medicare benefits to 3 organizations: Sanford Clinic (Sioux Falls, SD), Sanford Medical Center (Sioux Falls, SD) and Sanford Health Network (Canton, SD). 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 Thomas Flesher's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Thomas Flesher accept?
Health plans from Oscar Insurance Company, Sanford Health Plan, Security Health Plan, Wellmark Health Plan of Iowa, Inc. and Wellmark of South Dakota, Inc. list Thomas Flesher 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 Thomas Flesher affiliated with any hospitals?
According to CMS data, Thomas Flesher is affiliated with Sanford Canby Medical Center, Sanford Usd Medical Center, Pioneer Memorial Hospital - Cah, Sanford Chamberlain Medical Center and Sanford Vermillion Hospital.
When was this NPI record last updated?
The NPPES record for Thomas Flesher was last updated on September 29, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 38 days 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.
# Dr. Thomas H Flesher III, M.D. · NPI 1053407619
Orthopaedic Surgery physician in Sioux Falls, South Dakota. Individual provider, active in the CMS NPPES registry since October 4, 2006.
## Identity
- **NPI:** 1053407619 (Entity type: Individual)
- **Enumerated:** October 4, 2006
- **Primary specialty:** Orthopaedic Surgery · taxonomy 207X00000X
- **State license:** 10375 (South Dakota)
- **Sole proprietor:** No
## Practice location
- **Address:** 1210 W 18TH ST STE G01, Sioux Falls, SD 57104-4651
- **Phone:** (605) 328-3944
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): Sanford Clinic (NPI 1881600286, Sioux Falls, SD); Sanford Medical Center (NPI 1093090342, Sioux Falls, SD); Sanford Health Network (NPI 1033140454, Canton, SD) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Oklahoma State University College Of Osteopathic Medicine, class of 1977
## Record status
- **NPPES last updated:** September 29, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1053407619) · Data from the CMS NPPES public registry.