NPPES file of Aug 9, 2026

Joseph P. Prasek, MD

Family Medicine Physician · Dell Rapids, SD

Joseph P. Prasek, MD is a family medicine physician with a practice address in Dell Rapids, South Dakota, and NPI 1326016650, issued on Mar 11, 2006. Check the license (South Dakota 5214, as entered in NPPES) on the South Dakota Board of Medical and Osteopathic Examiners; 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
1326016650
Name
Joseph P. Prasek
Credential
MD
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
5214 SD
Self-reported in NPPES; status is on the state search
Practice location
111 10TH Street E, Dell Rapids, SD 57022
Phone
(605) 428-5446
Enumerated
Mar 11, 2006
Record last updated
Aug 26, 2010 (not updated in 16 years: call before relying on the address or phone)
Medicaid IDs
5611472 SD
5611473 SD
5611470 SD
569141900 MN
Medicare enrollment
Enrolled (PECOS I20190611002180); accepts Medicare assignment
Medical or professional school
Sanford School Of Medicine Of University Of South Dakota, 2000
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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Also registered at 111 10TH Street E

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Matt Herber, MDFamily Medicine Physician1760451660

Verify Joseph P. Prasek in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersSouth Dakota Board of Medical and Osteopathic Examiners
    Search for license 5214
    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
Open 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.

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24% fewer Medicare Part D claims than the average family medicine physician in 2024

2,697 Medicare Part D claims for 91 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 133 claims were for opioids.

  1. Joseph Prasek2,697
  2. Specialty average3,544

Most prescribed

  1. Furosemide115 claims
  2. Losartan Potassium97 claims
  3. Potassium Chloride88 claims
  4. Metformin Hcl80 claims
  5. Omeprazole75 claims
  6. Atorvastatin Calcium70 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 3 group practices

  1. Avera MckennanDell Rapids, SD
  2. Flandreau Santee Sioux TribeFlandreau, SD
  3. Rural Health Care IncChamberlain, SD

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

Joseph P. Prasek among 601 family medicine physician records in South Dakota

Joseph P. Prasek, 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 2006, is newer than 12% of them.

  • NPI issued2006 · 12% of these records are older, 47% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 65% of these records are
  • Graduated2000 · median 2008 among the 393 with a school on file
  • Record last updated2010 · 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).

4 family medicine physician records list a practice address in Dell Rapids

They are 4 of the 41 NPPES records with a practice address in Dell Rapids, and 601 family medicine physician records in South Dakota.

The 8 family medicine physician records with the nearest ZIP codes

  1. Matt Herber, MDDell Rapids, SD 570221760451660
  2. Tad Jacobs, DODell Rapids, SD 570221629044458
  3. Valerie Larson, M.D.Dell Rapids, SD 570221124097027
  4. Mitchel RydbergSiouxf Falls, SD 570221447275979
  5. Meghan O'Connell, M.D.Elk Point, SD 570251073827556
  6. David Erickson, M.D.Flandreau, SD 570281811061765
  7. Jeffery Peterson, M.D.Flandreau, SD 570281639229255
  8. Scott Peterson, MDFlandreau, SD 570281811188741

Common questions

What is Joseph P. Prasek, MD's NPI number?

Joseph P. Prasek, MD's National Provider Identifier (NPI) is 1326016650, issued on Mar 11, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Joseph P. Prasek, MD located?

The NPPES record lists a practice address at 111 10TH Street E, Dell Rapids, SD, 57022. Phone: (605) 428-5446. Providers update this record themselves, so call before visiting.

How can I verify Joseph P. Prasek, MD's license?

NPPES lists South Dakota license number 5214, 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 Joseph P. Prasek, MD prescribe under Medicare Part D?

In 2024, Joseph P. Prasek, MD had 2,697 Medicare Part D claims for 91 beneficiaries; 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.