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License & Identifications

A medical license is required for a doctor to practice medicine in a particular state. Requirements vary by state but most require, at a minimum, post-graduate training in the doctor’s specific specialty. An NPI number is a national identifier unique to an individual health care provider and is managed by the Center for Medicare & Medicaid Services (CMS).

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Specialties & Research

Dr. Lon Blaser, DO is board certified in Internal Medicine and Rheumatology.

  • He has special expertise in 4 areas:
  • Hip Osteoarthritis
  • Knee Osteoarthritis
  • Osteoarthritis (Hand and Wrist)
  • Rheumatoid Arthritis

Education & Awards

Dr. Blaser graduated from Michigan State University College of Osteopathic Medicine, East Lansing.


Dr. Blaser has 1 hospital affiliations:

  • Sacred Heart Hospital 

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Additional Information
Dr. Lon Allen Blaser DO is a male Internist, has 25 years of experience and practices in Internal Medicine and Rheumatology.
Where does Dr. Lon A. Blaser practice?
Dr. Lon Blaser has 3 office locations.
Dr. Lon Blaser practices Internal Medicine and Rheumatology near Marshfield, WI.
Additional practice locations include: Eau Claire, WI.
See Marshfield Internists and Marshfield Rheumatologists.