MRS. HEATHER JOY TIETJEN NP
NPI 1639148901
Nurse Practitioner in Sioux Falls, SD
About Mrs. Heather Joy Tietjen Np NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MRS. HEATHER JOY TIETJEN NP (NPI 1639148901) is an individual nurse practitioner in Sioux Falls, South Dakota, licensed in South Dakota (CP000856) and active in the NPI registry since March 2006. She is enrolled in Medicare PECOS, is affiliated with Sanford Usd Medical Center, and is a graduate of Other (2004).
NPPES Registry Identity
Specialties & Licenses 2
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
Mrs. Heather Joy Tietjen Np 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 Heather Tietjen 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 57105
- Reassigned Medicare billing, South Dakota enrollment
- Also billed through NPI 1295747608 (South Dakota)
- 1,277 clinicians in this Medicare group
Sioux Falls, SD 57104
- Reassigned Medicare billing, South Dakota enrollment
- 826 clinicians in this Medicare group
Sioux Falls, SD 57105
- Reassigned Medicare billing, South Dakota enrollment
- 1,097 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
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, 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.
Referred Medical Equipment & Supplies CMS DME claims 2
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.
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 Heather Tietjen's NPI number?
The NPI number for Heather Tietjen is 1639148901. It was assigned to this individual provider in the NPPES registry on March 17, 2006.
Where is Heather Tietjen located?
Heather Tietjen practices at 1309 W 17th St, Sioux Falls, SD 57104. The listed phone number is (605) 328-6001.
What is Heather Tietjen's specialty?
The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.
Is Heather Tietjen enrolled in Medicare?
Yes. Heather Tietjen 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 Heather Tietjen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Heather Tietjen reassigns Medicare benefits to 3 organizations: Avera Mckennan (Sioux Falls, SD), Sanford Clinic (Sioux Falls, SD) and Sanford Medical Center (Sioux Falls, 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 Heather Tietjen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Heather Tietjen accept?
Health plans from Sanford Health Plan, Security Health Plan, Wellmark Health Plan of Iowa, Inc. and Wellmark of South Dakota, Inc. list Heather Tietjen 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 Heather Tietjen affiliated with any hospitals?
According to CMS data, Heather Tietjen is affiliated with Sanford Usd Medical Center.
When was this NPI record last updated?
The NPPES record for Heather Tietjen was last updated on December 3, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.
# Mrs. Heather Joy Tietjen, NP · NPI 1639148901
Nurse Practitioner physician in Sioux Falls, South Dakota. Individual provider, active in the CMS NPPES registry since March 17, 2006.
## Identity
- **NPI:** 1639148901 (Entity type: Individual)
- **Enumerated:** March 17, 2006
- **Primary specialty:** Nurse Practitioner · taxonomy 363L00000X
- **State license:** CP000856 (South Dakota)
- **Sole proprietor:** No
## Practice location
- **Address:** 1309 W 17TH ST, Sioux Falls, SD 57104-4663
- **Phone:** (605) 328-6001
## 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): Avera Mckennan (NPI 1649461369, Sioux Falls, SD); Sanford Clinic (NPI 1427555002, Sioux Falls, SD); Sanford Medical Center (NPI 1093090342, Sioux Falls, SD) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2004
## Record status
- **NPPES last updated:** December 3, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1639148901) · Data from the CMS NPPES public registry.