Thomas Allen Viereck, CNP
Nurse Practitioner · Yankton, SD
Thomas Allen Viereck, CNP is a nurse practitioner with a practice address in Yankton, South Dakota, and NPI 1518526599, issued on Jun 12, 2019. Check the license (South Dakota CP001582, as entered in NPPES) with the South Dakota board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Thomas Allen Viereck
- Credential
- CNP
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License number
- CP001582 SD
Self-reported in NPPES; status is on the state search - Practice location
- 1104 W 8TH St, Yankton, SD 57078
- Phone
- (605) 665-7841
- Enumerated
- Jun 12, 2019
- Record last updated
- Jul 3, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20190812003582); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest nurse practitioner records → All 465 in South Dakota → Look up another NPI →
Also registered at 1104 W 8TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Amber Authier, PA-CMedical Physician Assistant1518679851
- Clarissa Barnes, M.D.Internal Medicine Physician1770758757
- Leann Bassing, M.D.Rheumatology Physician1871784124
Verify Thomas Allen Viereck 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 CP001582Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
7% fewer Medicare Part D claims than the average nurse practitioner in 2024
1,029 Medicare Part D claims for 282 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. 747 claims were for opioids.
Most prescribed
- Tramadol Hcl453 claims
- Oxycodone Hcl238 claims
- Amoxicillin107 claims
- Omeprazole74 claims
- Hydrocodone-Acetaminophen48 claims
- Cephalexin20 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.
Bills Medicare through 2 group practices
- Sacred Heart Health ServicesYankton, SD
- Yankton Medical Clinic PCYankton, SD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Thomas Allen Viereck among 465 nurse practitioner records in South Dakota
Thomas Allen Viereck, CNP 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 2019, is newer than 58% of them.
- NPI issued2019 · 58% of these records are older, 35% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 71% of these records are
- Graduated2019 · median 2018 among the 331 with a school on file
- Record last updated2020 · 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).
Nurse Practitioner providers in South Dakota
There are 465 nurse practitioner records in South Dakota.
All 465 in South Dakota → Every provider in Yankton → Nurse Practitioner nationwide →
The 8 nurse practitioner records with the nearest ZIP codes
- Jacklyn Logue, CNPYankton, SD 570781497115216
- Pamila Vanmeeteren, CNPYankton, SD 570781619003308
- Karla Walsh, CNPYankton, SD 570781346608981
- Parker Smith, CNPTea, SD 570641730001397
- Brandi Pravecek, C.N.P.Scotland, SD 570591093800427
- Stephanie Bargmann, CNPSioux Falls, SD 571031669921136
- Minx Fite, FNP-CSioux Falls, SD 571031366059057
- Mary Johnson, CNPSioux Falls, SD 571031063419471
Common questions
What is Thomas Allen Viereck, CNP's NPI number?
Thomas Allen Viereck, CNP's National Provider Identifier (NPI) is 1518526599, issued on Jun 12, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Thomas Allen Viereck, CNP located?
The NPPES record lists a practice address at 1104 W 8TH St, Yankton, SD, 57078. Phone: (605) 665-7841. Providers update this record themselves, so call before visiting.
How can I verify Thomas Allen Viereck, CNP's license?
NPPES lists South Dakota license number CP001582, as entered by the provider. Search the South Dakota board that licenses this profession; the NPPES record confirms identity only.
How much does Thomas Allen Viereck, CNP prescribe under Medicare Part D?
In 2024, Thomas Allen Viereck, CNP had 1,029 Medicare Part D claims for 282 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.