NPPES file of Aug 9, 2026

Jason Knudson, MD

Family Medicine Physician · Spearfish, SD

Jason Knudson, MD is a family medicine physician with a practice address in Spearfish, South Dakota, and NPI 1265405864, issued on Feb 13, 2006. Check the license (South Dakota 5441, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1265405864
Name
Jason Knudson
Credential
MD
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
5441 SD
Self-reported in NPPES; status is on the state search
Practice location
1420 N 10TH St, Spearfish, SD 57783
Phone
(605) 642-8414
Enumerated
Feb 13, 2006
Record last updated
Feb 6, 2013 (not updated in 13 years: call before relying on the address or phone)
Fax
(605) 642-8618
Medicaid ID
5611080 SD
Medicare enrollment
Enrolled (PECOS I20040809000120); 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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Also registered at 1420 N 10TH St

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

  1. Terry Altstiel, MDSurgery Physician1336112358
  2. Darbi Anderson, CNPNurse Practitioner1932774031
  3. Melissa Bardsley, RD, CDE, CDRegistered Dietitian1033371372
  4. Brittany Bearstail, MDFamily Medicine Physician1144604158
  5. Daniel Berens, DOFamily Medicine Physician1316201304
  6. Jay Bogard, MDFamily Medicine Physician1720051741

Verify Jason Knudson 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 5441
    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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2.4 times the Medicare Part D claims of the average family medicine physician in 2024

8,550 Medicare Part D claims for 752 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 148 claims were for opioids.

  1. Jason Knudson8,550
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium451 claims
  2. Amlodipine Besylate387 claims
  3. Omeprazole376 claims
  4. Rosuvastatin Calcium363 claims
  5. Metoprolol Succinate353 claims
  6. Losartan Potassium297 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.

The MIPS final score for 2023 (Medicare payment program): 97.6 of 100

The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score86.5
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $15.03

1 payment: food and beverage; the largest payer was Novo Nordisk Inc. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Jason Knudson$15.03
  2. Specialty average$902.55

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Monument Health Network IncSpearfish, SD

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

Jason Knudson among 601 family medicine physician records in South Dakota

Jason Knudson, 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
  • Graduated2001 · median 2008 among the 393 with a school on file
  • Record last updated2013 · 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).

20 family medicine physician records list a practice address in Spearfish

They are 20 of the 382 NPPES records with a practice address in Spearfish, and 601 family medicine physician records in South Dakota.

The 8 family medicine physician records with the nearest ZIP codes

  1. Wayne Anderson, MDSpearfish, SD 577831902834914
  2. Lee Bailey, MDSpearfish, SD 577831659315117
  3. David Balt, DOSpearfish, SD 577831457315038
  4. Daniel Berens, DOSpearfish, SD 577831316201304
  5. Jay Bogard, MDSpearfish, SD 577831720051741
  6. Forrest Brady, MDSpearfish, SD 577831154365567
  7. Christi Childers, DOSpearfish, SD 577831366482135
  8. Christopher Fromm, MDSpearfish, SD 577831205884566

Common questions

What is Jason Knudson, MD's NPI number?

Jason Knudson, MD's National Provider Identifier (NPI) is 1265405864, issued on Feb 13, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Jason Knudson, MD located?

The NPPES record lists a practice address at 1420 N 10TH St, Spearfish, SD, 57783. Phone: (605) 642-8414. Providers update this record themselves, so call before visiting.

How can I verify Jason Knudson, MD's license?

NPPES lists South Dakota license number 5441, 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 Jason Knudson, MD prescribe under Medicare Part D?

In 2024, Jason Knudson, MD had 8,550 Medicare Part D claims for 752 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.

What is Jason Knudson, MD's MIPS final score?

The 2023 MIPS final score is 97.6 of 100. The average among 454,083 clinicians with a measured score was 83.5.

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.