Primary Care Doctor, Family Practitioner
28 years of experience
Accepting new patients
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. John Obrien:

View the full profile to get information on:

  1. Qualifications
  2. What's important to you

View full profile

Patient Reviews

Patient comments (4)

The overall average patient rating of Dr. John Obrien is Excellent. Dr. Obrien has been reviewed by 13 patients who have provided 4 comments. The rating is 4.5 out of 5 stars.

Patient Ratings
Ease of Appointment 5.0
Promptness 5.0
Courteous Staff 4.8
Accurate Diagnosis 5.0
Bedside Manner 5.0
Spends Time with Me 5.0
Follows Up After Visit 5.0

Specialties & Research

Dr. John Obrien, MD is board certified in Family Medicine.

  • He has special expertise in 1 area:
  • Weight Loss

Education & Awards

Dr. Obrien graduated from University of Missouri at Columbia. He has 4 awards.

Patients' Choice Award (2012, 2014)
Compassionate Doctor Recognition (2014)
NCQA Diabetes Physician Recognition Program (2014 - 2017)
On-Time Doctor Award (2014)


Dr. Obrien has 3 hospital affiliations:

  • St Lukes Hospital 
  • St. John's Mercy Medical Center 
  • St. Luke`s Hospital 

Similar doctors nearby

Dr. Beth Zimmer

Family Medicine
26 years experience
O Fallon, MO

Dr. Betty Varghese

Family Medicine
9 years experience
O Fallon, MO

Dr. Van Hargraves

Emergency Medicine
31 years experience
O Fallon, MO

Dr. Katherine Huhn-Usry

Family Medicine
7 years experience
O Fallon, MO

Dr. Sean McIntosh

Family Medicine
17 years experience
O Fallon, MO

Dr. Liza Stanton

Family Medicine
23 years experience
O Fallon, MO
Search All Similar Doctors
Additional Information
Dr. John Obrien MD is a male Family Practitioner, has 28 years of experience and practices in Family Medicine.
Where does Dr. John Obrien practice?
Dr. John Obrien has 1 office location.
Dr. John Obrien practices Family Medicine near O Fallon, MO.
See O Fallon Primary Care Doctors.