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Summary
Dr. Patrick Grierson specializes in internal medicine and oncology, bringing 12 years of experience to cancer care and comprehensive internal medicine. He earned his medical degree from Ohio State University College of Medicine & Public Health, where he developed a strong foundation in both patient care and medical research. His dual specialization allows him to provide complete care for patients, from routine health maintenance to complex cancer treatments.
Dr. Grierson practices at several respected medical facilities, including Barnes Jewish Hospital in Saint Louis, Missouri, and Memorial Hospital locations in Belleville and Shiloh, Illinois. He treats patients with colon cancer and colorectal cancer, including those with advanced metastatic or recurrent forms of the disease. His comprehensive approach includes coordinating physical therapy as part of patient recovery and utilizing diagnostic tests like arterial blood gas analysis to monitor patient health during treatment.
Dr. Grierson practices at several respected medical facilities, including Barnes Jewish Hospital in Saint Louis, Missouri, and Memorial Hospital locations in Belleville and Shiloh, Illinois. He treats patients with colon cancer and colorectal cancer, including those with advanced metastatic or recurrent forms of the disease. His comprehensive approach includes coordinating physical therapy as part of patient recovery and utilizing diagnostic tests like arterial blood gas analysis to monitor patient health during treatment.
Overview based on verified provider data
Quick Facts
- accepting new patients
- 12 years of experience
- Ohio State University College Of Medicine & Public Health
- 2 specialties
- 8 areas of expertise
- 3 hospital affiliations
- 7 office locations
- Male
Office Locations
Dr. Patrick Michael Grierson has 7 locationsSiteman Cancer Center
1418 Cross StShiloh, IL 62269Mon8:00 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
Washington University School Of Medicine
660 S Euclid AveSaint Louis, MO 63110 Tel: (314) 362-8065
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
Washington University School Of Medicine Bone Health Program
10 Barnes West Dr Ste 200Saint Louis, MO 63141 Tel: (314) 454-7775
Mon8:00 am - 4:30 pm
Tue8:00 am - 4:30 pm
Wed8:00 am - 4:30 pm
Thu8:00 am - 4:30 pm
Fri8:00 am - 4:30 pm
SatClosed
SunClosed
Siteman Cancer Center
1418 Cross St Ste 180Shiloh, IL 62269 Tel: (618) 607-1340
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. Patrick Michael Grierson, MD | Dr. Kelly Ann Wood, MSPH, MD | Dr. Sreelatha Varma, MD | Dr. Mazhar Lakho, MD, MD |
| Internal Medicine | Internal Medicine | Internal Medicine | Internal Medicine |
| Accepts New Patients | Accepts New Patients | Accepts New Patients | Accepts New Patients |
| 12 Years of Experience | 20 Years of Experience | ||
| No Virtual Visit Option | No Virtual Visit Option | No Virtual Visit Option | No Virtual Visit Option |
| Speaks English | Speaks English | Speaks English | |
| Shiloh , IL | Columbia , IL | Saint Louis , MO | Fairview Heights , IL |
| Med School: Ohio State University College Of Medicine & Public Health | Med School: Southern Illinois University School Of Medicine | Med School: Liaquat University of Medical & Health Sciences | |
Current Profile | View Profile | View Profile | View Profile |
Insurance Plans Accepted by Dr. Patrick Michael Grierson
Medical Specialties
Dr. Patrick Michael Grierson has the following 2 specialties
Specialty Expertise
Dr. Patrick Michael Grierson has the following 8 areas of expertise
Certifications, License, & Education
12 Years Experience
Dr. Patrick Michael Grierson holds an expired medical license in the states of Missouri and Illinois.
Medical License
Medical Doctor with an expired medical license in the state of Missouri that expired in 2026 and an expired medical license in the state of Illinois that expired in 2026.
Education & Training
Medical School
Graduated from Ohio State University College Of Medicine & Public Health in 2014.
NPI Number
Dr. Grierson's NPI number is 1720492192.
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Frequently Asked Questions
- Which hospitals is Dr. Patrick Grierson affiliated with?
- Dr. Patrick Grierson is affiliated with Barnes Jewish Hospital, Memorial Hospital Belleville, and Memorial Hospital Shiloh.
- How can I make an appointment with Dr. Patrick Grierson?
- You can find contact information for Dr. Patrick Grierson here on Vitals.
- Where is Dr. Patrick Grierson's office located?
- Dr. Patrick Grierson's office is located at 1418 Cross St, Shiloh, IL, 62269.
- Does Dr. Patrick Grierson accept my insurance?
- You can see the insurance plans that Dr. Patrick Grierson accepts on their Vitals profile.
- Does Dr. Patrick Grierson accept virtual/telehealth appointments?
- Dr. Patrick Grierson has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
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