Summary

Dr. Matthew Cossack specializes in internal medicine and ophthalmology, bringing 12 years of medical experience to his practice. He earned his medical degree from Creighton University School of Medicine and provides care in English. His dual specialty training allows him to address both comprehensive internal health needs and specialized eye conditions.

Dr. Cossack practices throughout Minnesota and Wisconsin, with affiliations at Essentia Health Saint Marys Medical Center, Essentia Health Duluth, and Gillette Children's Specialty Healthcare, among others. His locations include Duluth, Hermantown, Saint Paul, and Amery. He focuses on treating cataracts, glaucoma, and astigmatism. His surgical expertise includes cataract surgery and intraocular lens implants, performed with sedation for patient comfort. Patients rate him 5.0 out of 5 stars on average.

Overview based on verified provider data

Quick Facts

  • accepting new patients
  • 5
  • 12 years of experience
  • speaks English
  • Creighton University School Of Medicine
  • 2 written reviews
  • 2 specialties
  • 1 area of expertise
  • 6 hospital affiliations
  • 7 office locations
  • Male

Patients’ Perspective

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

Office Locations

Dr. Matthew Thomas Cossack has 7 locations

Essentia Health

502 E 2nd StDuluth, MN 55805

Essentia Health-Hermantown Clinic

4855 W Arrowhead RdHermantown, MN 55811

Regions Hospital

640 Jackson StSaint Paul, MN 55101

Amery Hospital And Clinic

265 Griffin St EAmery, WI 54001

Healthpartners Arden Hills Eye Clinic

1210 County Road E WSaint Paul, MN 55112
Mon7:00 am - 5:30 pm
Tue7:00 am - 5:30 pm
Wed7:00 am - 5:30 pm
Thu7:00 am - 5:30 pm
Fri7:00 am - 5:00 pm
SatClosed
SunClosed

Duluth Clinic

400 E 3rd St Bldg FDuluth, MN 55805
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

Compare with Similar Doctors

Dr. Matthew Thomas Cossack, MD
Dr. Michelle Xiao Song, MD
Dr. Adewumi Bakare DMSc, PA-C
Dr. Jay Robert Knuths, MD
Dr. Matthew Thomas Cossack, MDDr. Michelle Xiao Song, MDDr. Adewumi Bakare DMSc, PA-CDr. Jay Robert Knuths, MD
Internal MedicineInternal MedicineInternal MedicineInternal Medicine
Accepts New Patients Accepts New Patients Accepts New Patients
3.2 
12 Years of Experience 6 Years of Experience 5 Years of Experience 41 Years of Experience
No Virtual Visit Option Virtual Visit Available Virtual Visit Available No Virtual Visit Option
Speaks English Speaks English, Mandarin, Spanish Speaks English, Spanish, Yoruba, French, Russian, Arabic, Chinese, Chinese (Mandarin) Speaks English
Duluth , MNDenver , COMesquite , TXDuluth , MN
Med School: Creighton University School Of Medicine Med School: UCLA's David Geffen School of Medicine Med School: University of Lynchburg - DMSc Med School: University Of Minnesota Medical School
Current Profile
View Profile View Profile View Profile

Insurance Plans Accepted by Dr. Matthew Thomas Cossack

Be sure to verify insurance information directly with your doctor's office, as it may undergo frequent changes.

Medical Specialties

Dr. Matthew Thomas Cossack has the following 2 specialties

Specialty Expertise

Dr. Matthew Thomas Cossack has the following area of expertise

  • Ophthalmology

Certifications, License, & Education

12 Years Experience

Dr. Matthew Thomas Cossack holds expired and active medical licenses in the states of Minnesota and Wisconsin.

Medical License

Medical Doctor with an expired medical license in the state of Minnesota that expired in 2026 and an active medical license in the state of Wisconsin that expires in 2027.

Education & Training

Medical School

Graduated from Creighton University School Of Medicine in 2014.

NPI Number

Dr. Cossack's NPI number is 1275948275.

Similar doctors

Frequently Asked Questions

Is Dr. Matthew Cossack accepting new patients?
Dr. Matthew Cossack is accepting new patients on Vitals. View Dr. Matthew Cossack's profile on Vitals to make an appointment.
How can I make an appointment with Dr. Matthew Cossack?
You can find contact information for Dr. Matthew Cossack here on Vitals.
Does Dr. Matthew Cossack accept my insurance?
You can see the insurance plans that Dr. Matthew Cossack accepts on their Vitals profile.
What languages does Dr. Matthew Cossack speak?
Dr. Matthew Cossack speaks English.
Which hospitals is Dr. Matthew Cossack affiliated with?
Dr. Matthew Cossack is affiliated with Gillette Childrens Specialty Healthcare, Essentia Health Saint Marys Medical Center, Essentia Health Duluth, Essentia Health Saint Marys Hospital Superior, Amery Hospital And Clinic, and Essentia Health Saint Marys Childrens Hospital.

Ensuring Data Transparency and Trust: A Guide to Vitals Doctor Listings and Reviews

Our provider data is gathered directly from physicians and publicly available databases. Providers who verify their profiles gain the ability to update information, offering additional details about their specialties,education, treated conditions, performed procedures, and accepted insurances.

Reviews on Vitals are submitted by users only. Recognizing the valuable insights these reviews offer into a doctor's reputation, we maintain internal policies and protocols to ensure the quality and accuracy of all reviews. Importantly, providers cannot delete or alter reviews independently. Reviews can only be deleted or changed following an internal assessment by our customer service team.

Your feedback is highly valued and we encourage you to contact our support team should you encounter any issues.