Summary

Dr. Sean McMillan is a rheumatologist and internal medicine specialist with 27 years of experience treating complex joint and autoimmune conditions. He earned his medical degree from the University of Florida College of Medicine and has dedicated his career to helping patients manage inflammatory diseases and chronic pain. Dr. McMillan is fluent in both English and Spanish, allowing him to serve diverse patient populations throughout his practice.

Dr. McMillan maintains affiliations with several leading medical centers, including University of Utah Hospital, Intermountain Medical Center in Murray, Utah, and Saint Marks Hospital, with practice locations in Twin Falls, Idaho and Salt Lake City, Utah. He specializes in treating osteoarthritis and rheumatoid arthritis, helping patients find relief from chronic pain through comprehensive care approaches. His diagnostic expertise includes blood testing and immunology assessments to accurately identify underlying conditions affecting his patients' joint health. Patients have given him an average rating of 4.4, reflecting their confidence in his compassionate and thorough approach to rheumatologic care.
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Overview based on verified provider data

Quick Facts

  • accepting new patients
  • 4.4
  • 27 years of experience
  • speaks English, Spanish
  • University Of Florida College Of Medicine
  • 8 written reviews
  • 2 specialties
  • 9 areas of expertise
  • 9 hospital affiliations
  • 4 office locations
  • Male

Patients’ Perspective

  • Gave an accurate diagnosis
  • Had a good bedside manner
  • Spent time with me

Office Locations

Dr. Sean Eric Mcmillan has 4 locations

St Lukes Clinic Arthritis And Rheumatology Twin Falls

801 Pole Line Rd W Ste 3810Twin Falls, ID 83301
Mon8:00 am - 5:00 pm
Tue8:00 am - 5:00 pm
Wed8:00 am - 5:00 pm
Thu8:00 am - 5:00 pm
Fri8:00 am - 5:00 pm
SatClosed
SunClosed

University Of Utah Hospital

50 N Medical DrSalt Lake City, UT 84132

Intermountain Medical Center

5121 S Cottonwood StMurray, UT 84107

Intermountain Lds Hospital

8th Avenue And C StSalt Lake City, UT 84143

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Dr. Sean Eric Mcmillan, MDDr. John Patrick Gibney, MDDr. Greggory Stan Flint, MDKhaled Hammadi Janom
RheumatologyInternal MedicineInternal MedicineNephrology
Accepts New Patients Accepts New Patients
4.4 
27 Years of Experience 68 Years of Experience 9 Years of Experience 11 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Speaks English, Spanish
Twin Falls , IDTwin Falls , IDTwin Falls , IDTwin Falls , ID
Med School: University Of Florida College Of Medicine Med School: Loyola University Of Chicago Stritch School Of Medicine Med School: Western Univ Health Sci College Of Osteopathic Med Of The Pacific Northwest Med School: American University Of Beirut Faculty Of Medicine
Current Profile
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Insurance Plans Accepted by Dr. Sean Eric Mcmillan

  • Accepts Medicare
  • Accepts Medicaid

Medical Specialties

Dr. Sean Eric Mcmillan has the following 2 specialties

Specialty Expertise

Dr. Sean Eric Mcmillan has the following 9 areas of expertise

  • Gout
  • Internal Medicine
  • Knee Osteoarthritis
  • Lupus
  • Osteoarthritis
  • Osteoarthritis (Hand and Wrist)
  • Rheumatic Diseases
  • Rheumatoid Arthritis
  • Tendinitis

Certifications, License, & Education

27 Years Experience

Dr. Sean Eric Mcmillan holds an expired medical license in the states of Idaho and Utah.

Medical License

Medical Doctor with an expired medical license in the state of Idaho that expired in 2026 and an expired medical license in the state of Utah that expired in 2026.

Education & Training

Medical School

Graduated from University Of Florida College Of Medicine in 1999.

NPI Number

Dr. Mcmillan's NPI number is 1558353821.

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Frequently Asked Questions

How can I make an appointment with Dr. Sean Mcmillan?
You can find contact information for Dr. Sean Mcmillan here on Vitals.
Is Dr. Sean Mcmillan accepting new patients?
Dr. Sean Mcmillan is accepting new patients on Vitals. View Dr. Sean Mcmillan's profile on Vitals to make an appointment.
Does Dr. Sean Mcmillan accept virtual/telehealth appointments?
Dr. Sean Mcmillan has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
Which hospitals is Dr. Sean Mcmillan affiliated with?
Dr. Sean Mcmillan is affiliated with University Of Utah Hospital, Holy Cross Hospital Salt Lake, Intermountain Lds Hospital, Saint Marks Hospital, Intermountain Medical Center, Intermountain Medical Center, INTERMOUNTAIN LDS HOSPITAL, LDS HOSPITAL, and Saint Lukes Magic Valley Medical Center.
What languages does Dr. Sean Mcmillan speak?
Dr. Sean Mcmillan speaks English and Spanish.

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