Summary

Dr. Mark Isoniemi is a family medicine physician who has dedicated 29 years to providing comprehensive healthcare to patients of all ages. He earned his medical degree from Ohio State University College of Medicine in Columbus, Ohio, and completed his family medicine residency at MacNeal Memorial Hospital. Dr. Isoniemi is board-certified in family medicine by the American Board of Family Medicine. He speaks English fluently.

Dr. Isoniemi practices at Northwestern Medicine Central DuPage Hospital and sees patients at Duly Health and Care in Wheaton, Illinois. His expertise includes managing high blood pressure conditions and providing pediatric care for younger patients. He routinely performs diagnostic blood work and thyroid function testing to help monitor patient health. Patients consistently rate Dr. Isoniemi highly for his care, giving him an average rating of 4.7.

Overview based on verified provider data

Quick Facts

  • accepting new patients
  • 4.7
  • 29 years of experience
  • speaks English
  • Mac Neal Mem Hosp, Family Medicine
  • 35 written reviews
  • 1 specialty
  • 10 areas of expertise
  • 1 board certification
  • 1 hospital affiliation
  • 1 office location
  • Male

Patients’ Perspective

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

Office Location

Duly Health and Care

150 E Willow AveWheaton, IL 60187

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Mark K Isoniemi, MDTatanisha Funches, FNPValerie Battisti, PA-CDr. Kevin M Smith, MD
Family MedicineFamily MedicineFamily MedicineFamily Medicine
Accepts New Patients Accepts New Patients Accepts New Patients Accepts New Patients
4.7 
4.5 
29 Years of Experience
No Virtual Visit Option Virtual Visit Available Virtual Visit Available No Virtual Visit Option
Speaks English Speaks English Speaks English Speaks English, Spanish
Wheaton , ILOak Park , ILAddison , ILChicago , IL
Med School: Oh State Univ Coll of Med, Columbus Oh
Current Profile
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Insurance Plans Accepted by Mark K Isoniemi

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

Medical Specialties

Mark K Isoniemi has the following specialty

Specialty Expertise

Mark K Isoniemi has the following 10 areas of expertise

  • Adolescent Medicine
  • Check-up
  • Cholesterol Management
  • Contraception
  • Family Planning
  • Immunization
  • Influenza
  • Nutritional Support
  • Smoking Cessation
  • Weight Loss

Certifications, License, & Education

29 Years Experience

Mark K Isoniemi holds an expired medical license in the state of Illinois. They are board certified in Family Medicine by the American Board of Family Medicine.

Board Certifications

Board certified in Family Medicine by the American Board of Family Medicine.

Medical License

Medical Doctor with an expired medical license in the state of Illinois that expired in 2026.

Education & Training

Residency

Completed their residency at Mac Neal Mem Hosp, Family Medicine.

Medical School

Graduated from Oh State Univ Coll of Med, Columbus Oh in 1997.

NPI Number

Mark K Isoniemi's NPI number is 1295779239.

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Frequently Asked Questions

Is Mark Isoniemi accepting new patients?
Mark Isoniemi is accepting new patients on Vitals. View Mark Isoniemi's profile on Vitals to make an appointment.
Does Mark Isoniemi accept my insurance?
You can see the insurance plans that Mark Isoniemi accepts on their Vitals profile.
Which hospitals is Mark Isoniemi affiliated with?
Mark Isoniemi is affiliated with Northwestern Medicine Central Dupage Hospital.
Does Mark Isoniemi accept virtual/telehealth appointments?
Mark Isoniemi has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
What languages does Mark Isoniemi speak?
Mark Isoniemi speaks English.

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