Registry data as of Aug 27, 2026

Tonya Buchholz, CNP

Nurse Practitioner · Madison, SD

Tonya 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, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1538311352
Name
Tonya 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
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Verify Tonya 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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

47% fewer Medicare Part D claims than the average nurse practitioner in 2024

609 Medicare Part D claims for 71 beneficiaries, against an average of 1,144 among the 50,277 providers of this specialty who prescribed in Part D. 18 claims were for opioids.

  1. Tonya Buchholz609
  2. Specialty average1,144

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.

2 hospital and facility affiliations

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

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

1 nurse practitioner records list a Madison practice address

They are 1 of the 104 NPPES records with a Madison practice address, and 440 nurse practitioner records in South Dakota.

Other nurse practitioner records in South Dakota

  1. Melissa Aberle, MS, CNPRapid City, SD1881665891
  2. Logan Adamek, ACNPC-AGSioux Falls, SD1700757382
  3. Lauren Albers, CNPRapid City, SD1245874239
  4. Emily Andersen, CNPSioux Falls, SD1295021806
  5. Anna Anderson, NPSioux Falls, SD1881372506
  6. Darbi Anderson, CNPSpearfish, SD1932774031
  7. Kelsey Anderson, NP-CSioux Falls, SD1356817126
  8. Shanna Anderson, CNPAberdeen, SD1669769998
  9. Patricia Annetts, FNPCuster, SD1700448206
  10. Joelle Archer, NPFort Meade, SD1689342016

Common questions

What is Tonya Buchholz, CNP's NPI number?

Tonya 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 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 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 Buchholz, CNP prescribe under Medicare Part D?

In 2024, Tonya Buchholz, CNP had 609 Medicare Part D claims for 71 beneficiaries; the average among nurse practitioner prescribers was 1,144. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.