SREYOSHI THIELEN MD
NPI 1760646699
Hospitalist in Sioux Falls, SD
About Sreyoshi Thielen Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SREYOSHI THIELEN MD (NPI 1760646699) is an individual hospitalist provider in Sioux Falls, South Dakota, licensed in South Dakota (8849) and active in the NPI registry since July 2008. She is enrolled in Medicare PECOS, is affiliated with Sanford Worthington Medical Center, and is a graduate of Other (2006).
NPPES Registry Identity
Specialties & Licenses 2
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
Sreyoshi Thielen Md 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 Sreyoshi Thielen reassigns Medicare billing to 2 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
- 826 clinicians in this Medicare group
Walker, MN 56484
- Reassigned Medicare billing, Minnesota enrollment
- 607 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 6
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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Sanford Worthington Medical Center
Acute Care Hospitals · Worthington, MNSanford Usd Medical Center
Acute Care Hospitals · Sioux Falls, SDPhysician 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.
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.
Referred Medical Equipment & Supplies CMS DME claims
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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 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 Sreyoshi Thielen's NPI number?
The NPI number for Sreyoshi Thielen is 1760646699. It was assigned to this individual provider in the NPPES registry on July 10, 2008.
Where is Sreyoshi Thielen located?
Sreyoshi Thielen practices at 1305 W 18th St, Sioux Falls, SD 57105. The listed phone number is (605) 328-4973.
What is Sreyoshi Thielen's specialty?
The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.
Is Sreyoshi Thielen enrolled in Medicare?
Yes. Sreyoshi Thielen 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 Sreyoshi Thielen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Sreyoshi Thielen reassigns Medicare benefits to 2 organizations: Sanford Clinic (Sioux Falls, SD) and Sanford Health Of Northern Minnesota (Walker, MN). 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 Sreyoshi Thielen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Sreyoshi Thielen accept?
Health plans from Sanford Health Plan, Security Health Plan, Wellmark Health Plan of Iowa, Inc. and Wellmark of South Dakota, Inc. list Sreyoshi Thielen 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 Sreyoshi Thielen affiliated with any hospitals?
According to CMS data, Sreyoshi Thielen is affiliated with Sanford Worthington Medical Center and Sanford Usd Medical Center.
When was this NPI record last updated?
The NPPES record for Sreyoshi Thielen was last updated on June 23, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.
# Sreyoshi Thielen, MD · NPI 1760646699
Hospitalist physician in Sioux Falls, South Dakota. Individual provider, active in the CMS NPPES registry since July 10, 2008.
## Identity
- **NPI:** 1760646699 (Entity type: Individual)
- **Enumerated:** July 10, 2008
- **Primary specialty:** Hospitalist · taxonomy 208M00000X
- **State license:** 8849 (South Dakota)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 1305 W 18TH ST, Sioux Falls, SD 57105-0401
- **Phone:** (605) 328-4973 · **Fax:** (605) 328-1295
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Sanford Clinic (NPI 1043583537, Sioux Falls, SD); Sanford Health Of Northern Minnesota (NPI 1902261456, Walker, MN) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2006
## Record status
- **NPPES last updated:** June 23, 2015
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Source: [NPI Profile](https://npiprofile.com/npi/1760646699) · Data from the CMS NPPES public registry.