Great Lakes Allergy 
& Asthma Center Locations:

Sault Ste. Marie, Michigan
309 W. 12th Avenue, Suite 101, Sault Ste. Marie, MI 49783

Cheboygan, Michigan
810 S. Main St., Suite 2, Cheboygan, MI 49721

Newberry, Michigan
502 W. Harrie St., Newberry, MI 49868

Call us today to set up an appointment:

Ph: (906) 253-0400
Fax: (906) 253-0401


Great Lakes Allergy & Asthma Center
Peter M. Ranta, M.D., Northern Michigan Allergist & Upper Michigan Allergist's Biography


Dr. Peter M. Ranta, Board Certified Allergy-Asthma Specialist, grew up in Northern Michigan in Sault Ste. Marie, Michigan. He attended the University of Michigan for his undergraduate studies. After receiving his Bachelor of Science with Distinction, he attended Medical School at Michigan State University’s College of Human Medicine.

After Medical School, Dr. Ranta completed a three year Internal Medicine residency program at Indiana University Health Ball Memorial Hospital, Muncie, Indiana.

Dr. Ranta then headed South to Augusta, Georgia, to the Augusta University -Medical College of Georgia for his two year Allergy-Asthma-Immunology Subspecialty Fellowship program, which was centered on Pediatric and Adult patients of all ages.

Peter M. Ranta, M.D. is Board Certified in Allergy, Asthma, and Immunology.  Northern Michigan Allergist, Northern Michigan Allergy Doctor Physician, Upper Michigan Allergy and Asthma. Ontario Asthma & Allergy Centre, 309 W. 12th Ave, Sault Ste. Marie, ON, MI 49783, 810 S. Main St., Cheboygan, MI 49721, 502 W. Harrie St., Newberry, MI 49868, 220 Burdette St., St. Ignace, MI 49781, Sault Ste. Marie, ON, Canada, Ontario

Peter M. Ranta, M.D. is a Board Certified Allergy, Asthma, and Immunology specialist. He is a Diplomate of the American Board of Allergy and Immunology (ABAI), the National Board of Physicians and Surgeons, and the National Board of Clinical Medicine.

Dr. Ranta is a member of the American Academy of Allergy, Asthma, and Immunology (AAAAI), American College of Allergy, Asthma, and Immunology (ACAAI), and the Christian Medical and Dental Association (CMDA).

Dr. Ranta’s family is originally from Finland and he is fluent in Finnish. He is the son of Dr. and Mrs. Eero Ranta. He enjoys cross-country skiing and outdoor sports. Dr. Ranta places great importance in his faith in God and he is active in his church. Dr. Ranta resides in Sault Ste. Marie with his wife and children.

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to see what our patients are saying about our Great Lakes Allergy office, about our staff, and about Dr. Peter Ranta.

Peter M. Ranta, M.D.

  • Board Certified by the American Board of Allergy and Immunology (ABAI)
  • Board Certified by the National Board of Physicians and Surgeons in Allergy-Asthma-Immunology
  • Board Certified by the National Board of Clinical Medicine in Allergy-Asthma-Immunology
  • Fellowship trained Allergy-Asthma Specialist
  • Specialized in treating Pediatric and Adult patients of all ages


  • Ranta, PM, Ownby, DR. A review of natural-rubber latex allergy in healthcare workers. Clinical Infectious Diseases, 2004; 38(2): 252-256. Click here to read the study published by Dr. Peter M. Ranta ( NCBI).
  • Ranta, PM, Dimitropoulou, C, Ford, J, Young, P, Ownby, DR. Identification and characterization of cross-reactive poinsettia (Euphorbia pulcherrima) and natural rubber latex (Hevea brasiliensis) allergens. American College of Allergy, Asthma & Immunology (ACAAI) Abstract Publication, November 2003. Click here to read about Dr. Ranta's Poinsettia study.
  • Ranta, PM, McDowell LJ. The effects of allergen immunotherapy in asthmatics on the number of emergency department visits. ACAAI Abstract Publication, November 2002.

 Awards, Honors

  • American College of Allergy, Asthma & Immunology 
    Clemens von Pirquet Award, Third place, November 2003

    ° Dr. Ranta was awarded this prestigious award from this national allergy society for his work in identifying two different proteins that are shared by Poinsettia plants and by Natural Rubber Latex. He took a sample of latex allergic people and he discovered that 40% of them also had antibodies to the Poinsettia plant. This discovery confirmed that people with a severe allergy to latex may also be at risk of having an allergic reaction when pruning or when in contact with the white milky fluid in the poinsettia plant stem and leaves.
    ° Dr. Ranta’s Poinsettia study was featured in the Los Angeles LA Times, as well as numerous other publications, such as the Chicago Tribune, the Lansing State Journal, as well as numerous websites on the internet.  

    Click here for more information on Dr. Ranta's Poinsettia study

    Click here for the LA Times article on Dr. Ranta's Poinsettia study.

  • Great Start Collaborative
    Awarded Certificate of Recognition to Great Lakes Allergy & Asthma Center, June 2009

            Recognized for being a "Family Friendly Business that supports and encourages
            children and families through its business practices."
  • Hospice of the EUP
    Awarded "Above and Beyond Business Award" to Great Lakes Allergy & Asthma Center, April 2013

            Recognized for being a "business who we feel truly goes above and beyond to
            support the mission of Hospice in the community. Your outstanding dedication
            to the Hospice program is truly a blessing."

  • Michigan Recreation and Park Association (MRPA)
    Awarded a 2015 "Community Service Award" to Dr. Peter Ranta, March 2015

            Recognized for assisting with The Algonquin Ski Trail. Dr. Ranta has helped raise
            $31,850.00 between 2009 to 2015 to help the Michigan DNR to continue to maintain and
            groom the Algonquin Ski Trail for years to come.




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