Erin Catherine Niehaus, APRN
Family Nurse Practitioner · Spearfish, SD
Erin Catherine Niehaus, APRN is a family nurse practitioner with a practice address in Spearfish, South Dakota, and NPI 1821742610, issued on Feb 9, 2022. Check the license (South Dakota CP002299, as entered in NPPES) with the South Dakota board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Erin Catherine Niehaus
- Credential
- APRN
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- CP002299 SD
Self-reported in NPPES; status is on the state search - Practice location
- 1420 N 10TH St, Spearfish, SD 57783
- Phone
- (605) 717-8595
- Enumerated
- Feb 9, 2022
- Record last updated
- Feb 9, 2022
- Medicare enrollment
- Enrolled (PECOS I20240411004930); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 862 in South Dakota → Look up another NPI →
Also registered at 1420 N 10TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Erin Catherine Niehaus 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 CP002299Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
78% fewer Medicare Part D claims than the average family nurse practitioner in 2024
288 Medicare Part D claims for 181 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims.
Most prescribed
- Prednisone29 claims
- Amoxicillin-Clavulanate Potass25 claims
- Cephalexin17 claims
- Nitrofurantoin Mono-Macro17 claims
- Doxycycline Hyclate15 claims
- Doxycycline Monohydrate13 claims
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.
The MIPS final score for 2023 (Medicare payment program): 97.6 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Centracare ClinicCold Spring, MN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Erin Catherine Niehaus among 862 family nurse practitioner records in South Dakota
Erin Catherine Niehaus, APRN is one of 862 family nurse practitioner records with a practice address in South Dakota. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 72% of them.
- NPI issued2022 · 72% of these records are older, 22% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 71% of these records are
- Graduated2021 · median 2019 among the 615 with a school on file
- Record last updated2022 · 46% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a South Dakota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
12 family nurse practitioner records list a practice address in Spearfish
They are 12 of the 382 NPPES records with a practice address in Spearfish, and 862 family nurse practitioner records in South Dakota.
All 862 in South Dakota → Every provider in Spearfish → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Jeanette Carlson, NPSpearfish, SD 577831487007332
- Sandra Clooten, CNPSpearfish, SD 577831689762866
- Rachelle CockrellSpearfish, SD 577831083128748
- Victoria Collins, FNP-BCSpearfish, SD 577831487500658
- Kayla Hatten, CNPSpearfish, SD 577831255052247
- James Jeffery, CNPSpearfish, SD 577831639628381
- Katy Jones, CNPSpearfish, SD 577831033638291
- Kristina Jurgensen, APRN CNPSpearfish, SD 577831376240739
Common questions
What is Erin Catherine Niehaus, APRN's NPI number?
Erin Catherine Niehaus, APRN's National Provider Identifier (NPI) is 1821742610, issued on Feb 9, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Erin Catherine Niehaus, APRN located?
The NPPES record lists a practice address at 1420 N 10TH St, Spearfish, SD, 57783. Phone: (605) 717-8595. Providers update this record themselves, so call before visiting.
How can I verify Erin Catherine Niehaus, APRN's license?
NPPES lists South Dakota license number CP002299, as entered by the provider. Search the South Dakota board that licenses this profession; the NPPES record confirms identity only.
How much does Erin Catherine Niehaus, APRN prescribe under Medicare Part D?
In 2024, Erin Catherine Niehaus, APRN had 288 Medicare Part D claims for 181 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions only.
What is Erin Catherine Niehaus, APRN's MIPS final score?
The 2023 MIPS final score is 97.6 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.