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

John J Ragan, MD

Individual provider Cardiovascular Disease Physician · NPI 1831122738

John J Ragan, MD is a Cardiovascular Disease (Cardiology) in Fargo, North Dakota. Graduated from New York Medical College in 1990, 36 years ago. Practices with St Marys Regional Health Center, a 188-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Minnesota and North Dakota.

Years since qualifying
36
Trained at
New York Medical College
Licensed in
MN, ND
In the registry since
2006
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

3000 32nd Ave S
Fargo, ND 58103-6132
Phone: (701) 364-8000
Fax: (701) 364-8078
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Cardiovascular Disease Physician (primary) Taxonomy 207RC0000X · Licence 9026 (ND)
Cardiovascular Disease Physician Taxonomy 207RC0000X · Licence 45285 (MN)

Record details

NPI number1831122738
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 7, 2006
Last updated in NPPESMay 7, 2025
Certification dateMay 7, 2025
Mailing address400 E 3rd St, Duluth, MN 55805-1951

Medicare enrollment

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

Medicare specialtyCARDIOVASCULAR DISEASE (CARDIOLOGY)
Medical schoolNEW YORK MEDICAL COLLEGE
Graduated 1990 (36 years in practice)
Group practice St Marys Regional Health Center — 188 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations7 on file with Medicare

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