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Summary
Dr. Patrick Grierson is an internal medicine physician who specializes in oncology, bringing 12 years of experience to cancer care. He earned his medical degree from Ohio State University College of Medicine & Public Health, where he built a strong foundation in comprehensive patient care. Dr. Grierson focuses on treating patients with various forms of cancer, combining his internal medicine background with specialized oncology expertise.
Dr. Grierson practices at multiple locations including Barnes Jewish Hospital in Saint Louis, Missouri, and Memorial Hospital Belleville and Memorial Hospital Shiloh in Illinois. He also sees patients at the Siteman Cancer Center in Shiloh, Illinois. His clinical focus includes treating colon cancer and colorectal cancer, including cases where the cancer has spread or returned. Grierson works with patients who need specialized blood tests and breathing assessments as part of their cancer care.
Dr. Grierson practices at multiple locations including Barnes Jewish Hospital in Saint Louis, Missouri, and Memorial Hospital Belleville and Memorial Hospital Shiloh in Illinois. He also sees patients at the Siteman Cancer Center in Shiloh, Illinois. His clinical focus includes treating colon cancer and colorectal cancer, including cases where the cancer has spread or returned. Grierson works with patients who need specialized blood tests and breathing assessments as part of their cancer care.
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
- 2 board certifications
- 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. Sreelatha Varma, MD | Dr. Kelly Ann Wood, MSPH, MD | Dr. Firas Aubeid, MD, MBA, FACP |
| 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 | 19 Years of Experience | |
| No Virtual Visit Option | No Virtual Visit Option | No Virtual Visit Option | Virtual Visit Available |
| Speaks English | Speaks English | Speaks English | |
| Shiloh , IL | Saint Louis , MO | COLUMBIA , IL | NEW LENOX , IL |
| Med School: Ohio State University College Of Medicine & Public Health | Med School: Southern Illinois University School Of Medicine | Med School: University Of Aleppo Faculty Of Medicine | |
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 active and expired medical licenses in the states of Illinois and Missouri.
Medical License
Medical Doctor with an active medical license in the state of Illinois that expires in 2026 and an expired medical license in the state of Missouri 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
- Does Dr. Patrick Grierson accept my insurance?
- You can see the insurance plans that Dr. Patrick Grierson accepts on their Vitals profile.
- Is Dr. Patrick Grierson accepting new patients?
- Dr. Patrick Grierson is accepting new patients on Vitals. View Dr. Patrick Grierson's profile on Vitals to make an appointment.
- 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.
- Where is Dr. Patrick Grierson's office located?
- Dr. Patrick Grierson's office is located at 1418 Cross St, Shiloh, IL, 62269.
- Which hospitals is Dr. Patrick Grierson affiliated with?
- Dr. Patrick Grierson is affiliated with Barnes Jewish Hospital, Memorial Hospital Belleville, and Memorial Hospital Shiloh.
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