Amy Nicole Therkelsen, FNP-C
Nurse Practitioner · Sioux Falls, SD
Amy Nicole Therkelsen, FNP-C is a nurse practitioner with a practice address in Sioux Falls, South Dakota, and NPI 1811769656, issued on Oct 25, 2023. Check the license (South Dakota CP003009, as entered in NPPES) with the South Dakota board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Amy Nicole Therkelsen
- Credential
- FNP-C
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License number
- CP003009 SD
Self-reported in NPPES; status is on the state search - Practice location
- 1309 W 17TH St Ste 101, Sioux Falls, SD 57104
- Phone
- (605) 333-7028
- Enumerated
- Oct 25, 2023
- Record last updated
- Sep 4, 2025
- Medicare enrollment
- Enrolled (PECOS I20240109002524); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest nurse practitioner records → All 465 in South Dakota → Look up another NPI →
Also registered at 1309 W 17TH St Ste 101
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Amy Nicole Therkelsen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich South Dakota board licenses this profession
Search for license CP003009Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average nurse practitioner in 2024
21 Medicare Part D claims for 11 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. 14 claims were for opioids.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Sanford Medical CenterSioux Falls, SD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Amy Nicole Therkelsen among 465 nurse practitioner records in South Dakota
Amy Nicole Therkelsen, FNP-C is one of 465 nurse practitioner records with a practice address in South Dakota. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2023, is newer than 84% of them.
- NPI issued2023 · 84% of these records are older, 10% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 71% of these records are
- Graduated2023 · median 2018 among the 331 with a school on file
- Record last updated2025 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a South Dakota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
239 nurse practitioner records list a practice address in Sioux Falls
They are 239 of the 6,563 NPPES records with a practice address in Sioux Falls, and 465 nurse practitioner records in South Dakota.
All 465 in South Dakota → Every provider in Sioux Falls → Nurse Practitioner nationwide →
The 8 nurse practitioner records with the nearest ZIP codes
- Robin Arends, CNPSioux Falls, SD 571041063660363
- Lisa AtnipSioux Falls, SD 571041861684995
- Valerie Folkens, CNPSioux Falls, SD 571041689953879
- Rebecca Frankenstein, CNPSioux Falls, SD 571041275667834
- Laurie Gromer, CNPSioux Falls, SD 571041851361216
- Susan Halbritter, CNPSioux Falls, SD 571041295788271
- Kelly HeftiSioux Falls, SD 571041285855155
- Emily Hutchinson, CNPSioux Falls, SD 571041255610572
Common questions
What is Amy Nicole Therkelsen, FNP-C's NPI number?
Amy Nicole Therkelsen, FNP-C's National Provider Identifier (NPI) is 1811769656, issued on Oct 25, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Amy Nicole Therkelsen, FNP-C located?
The NPPES record lists a practice address at 1309 W 17TH St Ste 101, Sioux Falls, SD, 57104. Phone: (605) 333-7028. Providers update this record themselves, so call before visiting.
How can I verify Amy Nicole Therkelsen, FNP-C's license?
NPPES lists South Dakota license number CP003009, as entered by the provider. Search the South Dakota board that licenses this profession; the NPPES record confirms identity only.
How much does Amy Nicole Therkelsen, FNP-C prescribe under Medicare Part D?
In 2024, Amy Nicole Therkelsen, FNP-C had 21 Medicare Part D claims for 11 beneficiaries; the average among nurse practitioner prescribers was 1,109. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.