NPPES file of Aug 9, 2026

Tonya D. Buchholz, CNP

Nurse Practitioner · Madison, SD

Tonya D. Buchholz, CNP is a nurse practitioner with a practice address in Madison, South Dakota, and NPI 1538311352, issued on Oct 13, 2008. Check the license (South Dakota CP000546, as entered in NPPES) with the South Dakota board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1538311352
Name
Tonya D. Buchholz
Credential
CNP
Primary taxonomy
Nurse Practitioner 363L00000X
License number
CP000546 SD
Self-reported in NPPES; status is on the state search
Practice location
323 SW 10TH Street, Madison, SD 57042
Phone
(605) 256-6551
Enumerated
Oct 13, 2008
Record last updated
Jan 10, 2019 (not updated in 7 years: call before relying on the address or phone)
Fax
(605) 256-6469
Medicaid ID
6831610 SD
Medicare enrollment
Enrolled (PECOS I20081217000460); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Verify Tonya D. Buchholz in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich South Dakota board licenses this profession
    Search for license CP000546
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the South Dakota license search

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45% fewer Medicare Part D claims than the average nurse practitioner in 2024

609 Medicare Part D claims for 71 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. 18 claims were for opioids.

  1. Tonya Buchholz609
  2. Specialty average1,109

Most prescribed

  1. Levothyroxine Sodium108 claims
  2. Gabapentin48 claims
  3. Methenamine Hippurate28 claims
  4. Warfarin Sodium27 claims
  5. Escitalopram Oxalate21 claims
  6. Potassium Chloride20 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

  1. City OF BrookingsArlington, SD
  2. Rural Health Care IncMitchell, SD

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Tonya D. Buchholz among 465 nurse practitioner records in South Dakota

Tonya D. Buchholz, 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 2008, is newer than 20% of them.

  • NPI issued2008 · 20% of these records are older, 79% newer
  • In a Medicare fileYes · 85% of these records are
  • In the CMS Doctors and Clinicians fileYes · 71% of these records are
  • Graduated2008 · median 2018 among the 331 with a school on file
  • Record last updated2019 · 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).

1 nurse practitioner record lists a practice address in Madison

They are 1 of the 104 NPPES records with a practice address in Madison, and 465 nurse practitioner records in South Dakota.

The 8 nurse practitioner records with the nearest ZIP codes

  1. Sandra Garcia, MSN, ARNP, FNP-CDakota Dunes, SD 570491336939297
  2. Brandon Hofland, NURSE PRACTITIONERDakota Dunes, SD 570491528820123
  3. Kimberly Hokinson, ARNP, FNP-CDakota Dunes, SD 570491316652043
  4. Makenzie Kreber, ARNPDakota Dunes, SD 570491508496134
  5. Katie Shull, ARNPDakota Dunes, SD 570491417674482
  6. Brandi Pravecek, C.N.P.Scotland, SD 570591093800427
  7. Parker Smith, CNPTea, SD 570641730001397
  8. Janae Jacobsen, RN, MS, CNPBrookings, SD 570071265787006

Common questions

What is Tonya D. Buchholz, CNP's NPI number?

Tonya D. Buchholz, CNP's National Provider Identifier (NPI) is 1538311352, issued on Oct 13, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Tonya D. Buchholz, CNP located?

The NPPES record lists a practice address at 323 SW 10TH Street, Madison, SD, 57042. Phone: (605) 256-6551. Providers update this record themselves, so call before visiting.

How can I verify Tonya D. Buchholz, CNP's license?

NPPES lists South Dakota license number CP000546, as entered by the provider. Search the South Dakota board that licenses this profession; the NPPES record confirms identity only.

How much does Tonya D. Buchholz, CNP prescribe under Medicare Part D?

In 2024, Tonya D. Buchholz, CNP had 609 Medicare Part D claims for 71 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.