Dr. Mark Thomas O'Brien DO is a male Family Practitioner, has 24 years of experience and practices in Family Medicine and Internal Medicine.
Video profile
Dr. Mark O'Brien has 2 office locations.
4150 River Rd
Ste F2
East China, MI 48054

Phone Number
Locations and availability (2)
License & Identifications

A medical license is required for a doctor to practice medicine in a particular state. Requirements vary by state but most require, at a minimum, post-graduate training in the doctor’s specific specialty. An NPI number is a national identifier unique to an individual health care provider and is managed by the Center for Medicare & Medicaid Services (CMS).

Learn more about Dr. Mark O'Brien:

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  1. Qualifications
  2. What's important to you

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Patient Reviews

  • Currently 3.5 of 4 stars
Patient comments (3)

The overall average patient rating of Dr. Mark O'Brien is Excellent. Dr. O'Brien has been reviewed by 4 patients who have provided 3 comments. The rating is 3.5 out of 4 stars.

Patient Ratings
Ease of Appointment 3.7
  • Currently 3.6666666666667 of 4 stars
Promptness 3.7
  • Currently 3.6666666666667 of 4 stars
Courteous Staff 4.0
  • Currently 4 of 4 stars
Accurate Diagnosis 4.0
  • Currently 4 of 4 stars
Bedside Manner 4.0
  • Currently 4 of 4 stars
Spends Time with Me 4.0
  • Currently 4 of 4 stars
Follows Up After Visit 4.0
  • Currently 4 of 4 stars

Specialties & Research

Dr. Mark O'Brien, DO is board certified in Family Medicine.

Education & Awards

Dr. O'Brien graduated from Des Moines University.


Dr. O'Brien has 1 hospital affiliations:

  • St. John River District Hospital 

Accepted Insurance Plans

Dr. O'Brien accepts these health insurances in at least one office:

  • Blue Cross Blue Shield of Michigan - 22 plans
  • HealthPlus of Michigan - 5 plans
  • Cigna - 3 plans
  • Humana - 2 plans
  • Aetna - 2 plans

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Additional Information
Where does Dr. Mark T. O'Brien practice?
Dr. Mark O'Brien practices Family Medicine and Internal Medicine near East China, MI.
Additional practice locations include: Algonac, MI.
See East China Family Physicians and East China Internists.