Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
John R. K. Kass, PA-C
Physician Assistant in Marshall, MN · enumerated 2012.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1821351255
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Registry record
Entity type Individual (Type 1)
Name John R. K. Kass
Credential PA-C
Sex Male
Practice address 300 S Bruce St, Marshall, MN, 56258
Phone (507) 537-9007
Fax (507) 537-2734
Enumeration date Jun 20, 2012
Last updated in NPPES Apr 15, 2016
Taxonomy & licenses
363A00000X Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License 0820 (SD) Secondary
363A00000X Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License 11391 (MN) Primary
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.
Frequently asked questions
Where does John Kass practice?
The practice location on file with NPPES is in Marshall, MN. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for John Kass?
The National Provider Identifier (NPI) for John Kass is 1821351255, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all → Alain Desy Orthopaedic Surgery Physician · Marshall, MN NPI 1922003409 Carol Lang Family Medicine Physician · Marshall, MN NPI 1811998909 Avera Marshall Skilled Nursing Facility · Marshall, MN NPI 1255329033 Linda Grong Hearing Instrument Specialist · Marshall, MN NPI 1124017371 Mary Hagan Pediatrics Physician · Marshall, MN NPI 1659362077 Daniel Lister Orthopaedic Surgery Physician · Marshall, MN NPI 1073599817 Theresa Bly Family Nurse Practitioner · Marshall, MN NPI 1760460836 William Del Monte Psychiatry Physician · Marshall, MN NPI 1306818877
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2016-04-15.