Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

John M Knudsen, MD

Individual provider Diagnostic Radiology Physician · NPI 1780664268

John M Knudsen, MD is a Diagnostic Radiology in Rochester, Minnesota. Graduated from Texas a & M University System, Hsc, College of Medicine in 1986, 40 years ago. Practices with Mayo Clinic, a 4,796-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Arizona and Minnesota.

Years since qualifying
40
Trained at
Texas a & M University System, Hsc, College of Medicine
Licensed in
AZ, MN
In the registry since
2006
Specialties on file
3
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

200 1st St SW
Rochester, MN 55905-0001
Phone: (507) 284-2511
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 13400 E Shea Blvd, Scottsdale, AZ 85259-5499 — (480) 301-8000

Specialties & licences

Diagnostic Radiology Physician (primary) Taxonomy 2085R0202X · Licence 30868 (MN)
Diagnostic Radiology Physician Taxonomy 2085R0202X · Licence 47774 (AZ)
Diagnostic Ultrasound Physician Taxonomy 2085U0001X · Licence 30868 (MN)

Record details

NPI number1780664268
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJanuary 19, 2006
Last updated in NPPESJanuary 6, 2023
Certification dateJanuary 6, 2023

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyDIAGNOSTIC RADIOLOGY
Medical schoolTEXAS A & M UNIVERSITY SYSTEM, HSC, COLLEGE OF MEDICINE
Graduated 1986 (40 years in practice)
Group practice Mayo Clinic — 4796 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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