JO
Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. O'brien, Family Medicine Specialist in O Fallon, MO?
Dr. John O'brien, MD is a Family Medicine Specialist, who primarily practices in O Fallon, MO with 2 additional practice locations. He is board certified by the American Board of Family Medicine. Dr. O'brien graduated from University of Pennsylvania and completed his residency at St Johns Mercy Med Ctr, Family Medicine. Dr. O'brien is fluent in English, and is currently seeing new patients. Dr. O'brien’s practice accepts Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. O'brien’s office at (636) 240-5454.
Where did Dr. O'brien go to medical school and complete their residency?
Residency: St Johns Mercy Med Ctr, Family Medicine | Johns Hopkins University/Bayview Medical Center Program
Medical School: University of Mo, Columbia Sch of Med, Columbia Mo | University of Pennsylvania
Is Dr. O'brien board certified in Family Medicine Specialist?
Yes, Dr. John O'brien, MD is board certified by the American Board of Family Medicine
What languages does Dr. O'brien speak?
Dr. O'brien and their clinical team can communicate with patients in the following languages:
English
What conditions does Dr. O'brien treat?
As a Family Medicine Specialist, Dr. O'brien diagnoses, treats, and manages a wide range of conditions. This condition information is derived from anonymized insurance claims and highlights the medical conditions most commonly treated by Dr. O'brien. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly.
Also known as:
- Routine Adult Health Checkup
- Health Checkup
- Adult physical exam
- Annual wellness visit for adults
- General adult medical exam
ICD-10 Codes:
- Z0000: Encounter for general adult medical examination without abnormal findings
Also known as:
- Mammogram for Breast Cancer Screening
- Health Screening
- Mammography
- Breast Cancer Screening (PDQ®)
- Mammograms
- Breast X-ray
- Breast Cancer Check
ICD-10 Codes:
- Z1231: Encounter for screening mammogram for malignant neoplasm of breast
Also known as:
- Type 2 Diabetes
- Diabetes Type 2
- Type 2 diabetes
- Diabetes Mellitus Type 2
- Adult-Onset Diabetes
- Non-Insulin Dependent Diabetes
ICD-10 Codes:
- E119: Type 2 diabetes mellitus without complications
Which procedures does Dr. O'brien perform as a Family Medicine Specialist?
As a Family Medicine Specialist, procedures performed by a Dr. John O'brien may include:
- ALCAT Testing
- Joint Injection
- Medication Assisted Treatment (MAT)
- Nebulizer Treatment
- OB Consultation
- Ozone Injection
- Post-Surgery Checkup
- Tetanus Shot
For detailed information, please contact Dr. O'brien's office.
Does Dr. O'brien accept my insurance?
Dr. O'brien accepts most major insurance plans. Important: Please call our office at (636) 240-5454 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. O'brien accept in O Fallon, MO?
Dr. O'brien in O Fallon, MO accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
CVS Health (formerly Aetna)
Medicare
State of Tennessee
View All Insurances
Where is Dr. O'brien's office located?
Dr. John O'brien's Practice 3
9426 Phoenix Village Pkwy
O Fallon, MO 63368
(636) 561-5999
What is Dr. O'brien's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. O'brien's National Provider Identifier (NPI) number is 1083689061.
What common questions do patients ask about Dr. O'brien?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. O'brien
What is Dr. John O'brien's specialty?
Dr. O'brien is a Family Medicine Specialist near O Fallon, MO. Family Medicine is a medical specialty focused on comprehensive healthcare for individuals and families. It is a broad field that integrates biological, clinical, and behavioral sciences. The scope of family medicine covers all ages, genders, organ systems, and disease conditions, offering a holistic approach to patient care. Contact Dr. O'brien to book an appointment today.
Is this Dr. John O'brien affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. O'brien is affiliated with Mercy Hospital St. Louis which is a Castle Connolly Top Hospital. Castle Connolly Top Hospitals are healthcare institutions recognized for their excellence in specific medical procedures and overall patient care. They are identified through a rigorous peer nomination process, evaluating factors like patient outcomes, quality of care, and expertise. The list recognizes hospitals that excel in 20 or more specific medical procedures, representing the top 25% nationwide. Castle Connolly Top Hospitals
Where can I learn more about Family Medicine Specialist?
Explore Family Medicine Specialist with insights from trusted medical experts on EverydayHealth.com, where you'll find the most relevant content and helpful condition guides for up-to date information about symptoms, causes, diagnosis, treatment and more. See all our health guides to find trusted information on medical conditions from our experts at Everyday Health.
Is John O'brien accepting new patients in O Fallon, MO?
Yes, Dr. John O'brien is accepting new patients at this time.
Does Dr. John O'brien offer online booking?
Please contact Dr. O'brien's office at (636) 240-5454 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with John O'brien?
Please contact Dr. O'brien's office at (636) 240-5454 for information regarding telehealth appointment availability or for scheduling assistance.
Which board certifications does Dr. John O'brien have?
Dr. John O'brien is certified by the American Board of Family Medicine.
Other Family Medicine Specialist Near O Fallon, MO
AB
Family Medicine Specialist
Accepting patientsDr. Alissa Ballard, DO is a Family Medicine Specialist, who primarily practices in O Fallon, MO with 2 additional practice locations. She is board certified.
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Family Medicine Specialist
Accepting patientsDr. Ximena Schnurr, MD is a Family Medicine Specialist, who primarily practices in O Fallon, MO with 2 additional practice locations. She is board certified by the American Board of Family Medicine.
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TM
Family Medicine Specialist
Accepting patientsDr. Timothy Moore, DO is a Family Medicine Specialist, who primarily practices in O Fallon, MO with 2 additional practice locations. He is board certified by the American Board of Family Medicine.
O Fallon, MO