Summary

Dr. Johnson earned both her bachelors's and medical degrees from the University of Michigan. She completed her residency in internal medicine at Rush-Presbyterian St. Luke's Medical Center in Chicago, Illinois. Dr. Johnson has served on the University of Michigan faculty in the Department of Internal Medicine. She is board certified in internal medicine. Dr. Johnson joined Oaklawn's active medical staff in December 2008.

Quick Facts

  • 1
  • 42 years of experience
  • 36 insurance plans accepted
  • University Of Michigan Medical School
  • 1 written review
  • 2 specialties
  • 8 areas of expertise
  • 2 board certifications
  • 1 hospital affiliation
  • 2 office locations
  • Female

Office Locations

Dr. Mary Margaret Johnson has 2 locations

Oaklawn Hospital

200 N Madison StMarshall, MI 49068

University Of Michigan Medical Center

1500 E Medical Center DrAnn Arbor, MI 48109

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Dr. Mary Margaret Johnson, MDDr. Jennifer Lynn Webb, DODr. Lawrence Elliott Schilder, DODr. Andrew Ravindranath Ramsahoi, MD
Hospital MedicineEmergency MedicineOncologyInternal Medicine
3.6 
3.9 
42 Years of Experience 29 Years of Experience 42 Years of Experience 34 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Marshall , MIBattle Creek , MIRockford , ILBattle Creek , MI
Med School: University Of Michigan Medical School Med School: Midwestern University-Chicago College Of Osteopathic Medicine Med School: Philadelphia College Of Osteopathic Medicine Med School: Royal College Of Surgeons In Ireland School Of Medicine
Current Profile
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Insurance Plans Accepted by Dr. Mary Margaret Johnson

  • AARP
  • Aetna
  • Aetna Better Health
  • Ambetter
  • Blue Cross Blue Shield
  • Blue Cross Blue Shield - Medicare
  • Blue Cross Blue Shield - POS
  • Blue Cross Blue Shield of Michigan
  • Blue Cross Blue Shield of Michigan - HMO
  • Cigna
  • HealthSmart
  • HealthSmart - PPO
  • Humana
  • Humana - Medicare
  • Humana - Medicare (Advantage HMO)
  • McLaren Health Plan
  • McLaren Health Plan - Medicaid
  • Medicaid - Medicaid
  • Medicaid - Medicaid (Managed)
  • Medicare
  • Medicare - Medicare
  • Meridian Health Plan - Medicaid (Managed)
  • Molina Healthcare
  • Molina Healthcare - HMO
  • Molina Healthcare - Medicaid
  • Molina Healthcare - Medicaid (Managed)
  • Physicians Health Plan
  • Physicians Health Plan - Medicare
  • Priority Health
  • Priority Health - Medicare
  • Priority Health - Medicare (Advantage HMO)
  • UnitedHealthcare
  • UnitedHealthcare - HMO
  • UnitedHealthcare - Medicaid
  • UnitedHealthcare - Medicaid (Managed)
  • Wellcare

Medical Specialties

Dr. Mary Margaret Johnson has the following 2 specialties

Specialty Expertise

Dr. Mary Margaret Johnson has the following 8 areas of expertise

  • Check-up
  • Heartburn
  • Immunization
  • Internal Medicine
  • Physical
  • Vaccination
  • Weight Loss
  • Weight Loss (non-surgical)

Certifications, License, & Education

42 Years Experience

MEDICAL LICENSE

Medical Doctor, Michigan, 2027, Active

EDUCATION & TRAINING

Medical School

University Of Michigan Medical SchoolGraduated in 1984

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Frequently Asked Questions

Where is Dr. Mary Johnson's office located?
Dr. Mary Johnson's office is located at 200 N Madison St, Marshall, MI, 49068.
How can I make an appointment with Dr. Mary Johnson?
You can find contact information for Dr. Mary Johnson here on Vitals.
Which hospitals is Dr. Mary Johnson affiliated with?
Dr. Mary Johnson is affiliated with Oaklawn Hospital.
Does Dr. Mary Johnson accept my insurance?
You can see the insurance plans that Dr. Mary Johnson accepts on their Vitals profile.
Does Dr. Mary Johnson accept virtual/telehealth appointments?
Dr. Mary Johnson has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.

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