William Buchner, MD
Family Medicine Physician · Sioux Falls, SD
William Buchner, MD is a family medicine physician with a practice address in Sioux Falls, South Dakota, and NPI 1356599443, issued on Sep 3, 2008. Check the license (South Dakota 14438, as entered in NPPES) on the South Dakota Board of Medical and Osteopathic Examiners; the Medicare figures below come from public CMS files.
- Name
- William Buchner
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License numbers
- 14438 SD
A109750 CA
5315241305 MI
Self-reported in NPPES; status is on the state search - Practice location
- 5013 S Louise Ave # 1382, Sioux Falls, SD 57108
- Phone
- (605) 991-2900
- Enumerated
- Sep 3, 2008
- Record last updated
- Jul 16, 2024
- Fax
- (605) 991-2901
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 601 in South Dakota → Look up another NPI →
Verify William Buchner in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersSouth Dakota Board of Medical and Osteopathic Examiners
Search for license 14438Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
100% fewer Medicare Part D claims than the average family medicine physician in 2024
14 Medicare Part D claims, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
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.
William Buchner among 601 family medicine physician records in South Dakota
William Buchner, MD is one of 601 family medicine physician records with a practice address in South Dakota. 79% 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 59% of them.
- NPI issued2008 · 59% of these records are older, 38% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 65% of these records are
- Record last updated2024 · 52% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a South Dakota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
195 family medicine physician records list a practice address in Sioux Falls
They are 195 of the 6,563 NPPES records with a practice address in Sioux Falls, and 601 family medicine physician records in South Dakota.
All 601 in South Dakota → Every provider in Sioux Falls → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- E. Amundson, MDSioux Falls, SD 571081144220914
- Cynthia Comly-Van Andel, M.D.Sioux Falls, SD 571081700879152
- Scott Dierks, MDSioux Falls, SD 571081063438968
- Timothy Donelan, MDSioux Falls, SD 571081730189325
- Dawn Flickema, M.D.Sioux Falls, SD 571081437194636
- Bradley Hruby, MDSioux Falls, SD 571081194725960
- Andrea Miller-Burchett, DOSioux Falls, SD 571081750354791
- Courtney Moose, M.D.Sioux Falls, SD 571081417992652
Common questions
What is William Buchner, MD's NPI number?
William Buchner, MD's National Provider Identifier (NPI) is 1356599443, issued on Sep 3, 2008. An NPI identifies a provider in billing; it is not a license.
Where is William Buchner, MD located?
The NPPES record lists a practice address at 5013 S Louise Ave # 1382, Sioux Falls, SD, 57108. Phone: (605) 991-2900. Providers update this record themselves, so call before visiting.
How can I verify William Buchner, MD's license?
NPPES lists South Dakota license number 14438, as entered by the provider. Search the South Dakota Board of Medical and Osteopathic Examiners at https://www.sdbmoe.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does William Buchner, MD prescribe under Medicare Part D?
In 2024, William Buchner, MD had 14 Medicare Part D claims; the average among family medicine physician prescribers was 3,544. 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.