John R. K. Kass, PA-C
Physician Assistant · Marshall, MN
John R. K. Kass, PA-C is a physician assistant with a practice address in Marshall, Minnesota, and NPI 1821351255, issued on Jun 20, 2012. Check the license (Minnesota 11391, as entered in NPPES) with the Minnesota board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- John R. K. Kass
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License numbers
- 11391 MN
0820 SD
Self-reported in NPPES; status is on the state search - Practice location
- 300 S Bruce St, Marshall, MN 56258
- Phone
- (507) 537-9007
- Enumerated
- Jun 20, 2012
- Record last updated
- Apr 15, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (507) 537-2734
- Medicare enrollment
- Enrolled (PECOS I20160523000645); accepts Medicare assignment
- Medical or professional school
- Sanford School Of Medicine Of University Of South Dakota, 2011
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 4,007 in Minnesota → Look up another NPI →
Also registered at 300 S Bruce St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Amanda Beranek, OTROccupational Therapist1790942217
- Courtney Blomme, APRN, CPNPPediatric Nurse Practitioner1326322975
- Theresa Bly, APRN, CNPFamily Nurse Practitioner1760460836
Verify John R. K. Kass in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Minnesota board licenses this profession
Search for license 11391Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
66% fewer Medicare Part D claims than the average physician assistant in 2024
284 Medicare Part D claims for 95 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. 63 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen54 claims
- Meloxicam48 claims
- Diclofenac Sodium19 claims
- Amlodipine Besylate14 claims
- Furosemide14 claims
- Lisinopril14 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): 94 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.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $36.15
1 payment: food and beverage; the largest payer was Orthofix Medical, Inc. The 64,719 providers of this specialty with any payment received $841.65 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
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
- Avera MarshallMarshall, MN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John R. K. Kass among 4,007 physician assistant records in Minnesota
John R. K. Kass, PA-C is one of 4,007 physician assistant records with a practice address in Minnesota. 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 2012, is newer than 32% of them.
- NPI issued2012 · 32% of these records are older, 66% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 78% of these records are
- Graduated2011 · median 2017 among the 3,131 with a school on file
- Record last updated2016 · 40% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a Minnesota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
10 physician assistant records list a practice address in Marshall
They are 10 of the 407 NPPES records with a practice address in Marshall, and 4,007 physician assistant records in Minnesota.
All 4,007 in Minnesota → Every provider in Marshall → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Emma Bengtson, PHYSICIAN ASSISTANTMarshall, MN 562581629707849
- Jacob BottelbergheMarshall, MN 562581346894748
- Laura Dorman, PA-CMarshall, MN 562581841604063
- Kate Hegna, PA-CMarshall, MN 562581013436450
- Taylor KorMarshall, MN 562581013647080
- Timothy Larson, PA-CMarshall, MN 562581982630828
- Craig Maki, PACMarshall, MN 562581649246950
- Bailey VarpnessMarshall, MN 562581023876745
Common questions
What is John R. K. Kass, PA-C's NPI number?
John R. K. Kass, PA-C's National Provider Identifier (NPI) is 1821351255, issued on Jun 20, 2012. An NPI identifies a provider in billing; it is not a license.
Where is John R. K. Kass, PA-C located?
The NPPES record lists a practice address at 300 S Bruce St, Marshall, MN, 56258. Phone: (507) 537-9007. Providers update this record themselves, so call before visiting.
How can I verify John R. K. Kass, PA-C's license?
NPPES lists Minnesota license number 11391, as entered by the provider. Search the Minnesota board that licenses this profession; the NPPES record confirms identity only.
How much does John R. K. Kass, PA-C prescribe under Medicare Part D?
In 2024, John R. K. Kass, PA-C had 284 Medicare Part D claims for 95 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.
What is John R. K. Kass, PA-C's MIPS final score?
The 2023 MIPS final score is 94 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.