Advanced in Peritonitis

Dr. John Niemeyer

Radiology
Office
55 West Port Plz Ste 300, 
Saint Louis, MO 
Advanced in Peritonitis
Office
55 West Port Plz Ste 300, 
Saint Louis, MO 
OverviewInsuranceLocationsClinical ResearchSimilar Doctors

Overview

John Niemeyer is a Radiologist in Saint Louis, Missouri. Dr. Niemeyer is rated as an Advanced provider by MediFind in the treatment of Peritonitis. His top areas of expertise are Peritonitis, Secondary Peritonitis, Retroperitoneal Inflammation, Ascites, and Lymphadenectomy.

His clinical research consists of co-authoring 1 peer reviewed article. MediFind looks at clinical research from the past 15 years.

Specialties
Radiology
Licenses
Diagnostic Radiology in MO
Languages Spoken
English
Gender
Male

Insurance

Accepted insurance can change. Please verify directly with the provider.

Find your insurance
Find your insuranceClose

Accepted insurance plans:

Medicare
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • MEDICARE SNP
  • MEDICARE-MEDICAID PLAN
  • OTHER MEDICARE PART D

Locations

Office
55 West Port Plz Ste 300, Saint Louis, MO 63146
Call: 314-996-5180

Clinical Research

Clinical research consists of overseeing clinical studies of patients undergoing new treatments and therapies, and publishing articles in peer reviewed medical journals. Providers who actively participate in clinical research are generally at the forefront of the fields and aware of the most up-to-date advances in treatments for their patients.

1 Total Publications

When Did You Last Speak A Radiologist or Visit the Radiology Department?
When Did You Last Speak A Radiologist or Visit the Radiology Department?
Journal: Missouri medicine
Published: September 01, 2016
Similar Doctors
Advanced in Peritonitis
Dr. Daniel D. Picus
Interventional Radiology | Radiology
Advanced in Peritonitis
Dr. Daniel D. Picus
Interventional Radiology | Radiology

Washington University

12634 Olive Blvd, 
Saint Louis, MO 
 (3.0 miles away)
314-996-8000
Languages Spoken:
English
See accepted insurances
Accepting New Patients

Daniel Picus is an Interventional Radiologist and a Radiologist in Saint Louis, Missouri. Dr. Picus is rated as a Distinguished provider by MediFind in the treatment of Peritonitis. His top areas of expertise are Congenital Arteriovenous Shunt, Arteriovenous Malformation, Familial Pancreatic Cancer, Liver Embolization, and Gastrostomy. Dr. Picus is currently accepting new patients.

Experienced in Peritonitis
Dr. Floyd Scales
Radiology
Experienced in Peritonitis
Dr. Floyd Scales
Radiology

Missouri Baptist Medical Center

3015 N Ballas Rd, 
Saint Louis, MO 
 (0.1 miles away)
314-996-5180
Experience:
47+ years
Languages Spoken:
English
See accepted insurances

Floyd Scales is a Radiologist in Saint Louis, Missouri. Dr. Scales has been practicing medicine for over 47 years and is rated as an Advanced provider by MediFind in the treatment of Peritonitis. His top areas of expertise are Osteoarthritis, Pleurisy, Pleural Effusion, and Secondary Peritonitis.

Experienced in Peritonitis
Dr. James R. Duncan
Interventional Radiology | Radiology
Experienced in Peritonitis
Dr. James R. Duncan
Interventional Radiology | Radiology

Washington University

12634 Olive Blvd, 
Saint Louis, MO 
 (3.0 miles away)
314-996-8000
Languages Spoken:
English
See accepted insurances

James Duncan is an Interventional Radiologist and a Radiologist in Saint Louis, Missouri. Dr. Duncan is rated as an Advanced provider by MediFind in the treatment of Peritonitis. His top areas of expertise are Familial Pancreatic Cancer, Peritonitis, Secondary Peritonitis, Gastrostomy, and Liver Embolization.

VIEW MORE PERITONITIS DOCTORS

Areas of Expertise

MediFind evaluates expertise by pulling from factors such as number of articles a doctor has published in medical journals, participation in clinical trials, speaking at industry conferences, prescribing and referral patterns, and strength of connections with other experts in their field.

Learn more about MediFind’s expert tiers

Find Dr. Niemeyer's expertise for a condition
ConditionClose
      • Advanced
      • Peritonitis
        Dr. Niemeyer is
        Advanced
        . Learn about Peritonitis.
        See more Peritonitis experts
      • Secondary Peritonitis
        Dr. Niemeyer is
        Advanced
        . Learn about Secondary Peritonitis.
        See more Secondary Peritonitis experts
      • Experienced
      • Acute Arterial Occlusion of Kidney
        Dr. Niemeyer is
        Experienced
        . Learn about Acute Arterial Occlusion of Kidney.
        See more Acute Arterial Occlusion of Kidney experts
      • ALK-Positive Non-Small Cell Lung Cancer
        Dr. Niemeyer is
        Experienced
        . Learn about ALK-Positive Non-Small Cell Lung Cancer.
        See more ALK-Positive Non-Small Cell Lung Cancer experts
      • Ascites
        Dr. Niemeyer is
        Experienced
        . Learn about Ascites.
        See more Ascites experts
      • Bile Duct Obstruction
        Dr. Niemeyer is
        Experienced
        . Learn about Bile Duct Obstruction.
        See more Bile Duct Obstruction experts
      • Boils
        Dr. Niemeyer is
        Experienced
        . Learn about Boils.
        See more Boils experts
      • Carbuncle
        Dr. Niemeyer is
        Experienced
        . Learn about Carbuncle.
        See more Carbuncle experts
      View All 17 Experienced Conditions
      Want to save this doctor for later?
      Sign Up
      Is this your doctor?
      Find A Second Opinion
      Not sure about your diagnosis?
      Check Your Symptoms
       
       
       
       
      Learn about our expert tiers
      Learn More
      Are you the provider on this profile?
      Claim Profile
      For Patients
      • Our Story
      • How MediFind Works
      • Conditions A-Z
      • Doctor Directory
      • Symptoms Directory
      • Procedures Directory
      • Treatment Directory
      • Drug Directory
      • Infusion Center Finder
      • FAQ
      • Contact Us
      For Providers and Practices
      • Claim Your Profile
      • Newsroom
      Business Solutions
      • Provider
      • Network Solutions
      Additional Resources
      • Consumer Health Data Privacy Policy
      • Privacy Policy
      • Terms of Use
      • Advertising Policy
      • Content Policy
      Subscribe to our newsletter

      Sign up to stay informed about MediFind and get wellness sent your way.

      Close

        By subscribing, I agree to MediFind's Terms of Use, Privacy Policy and Consumer Health Data Privacy Policy, as applicable.

        Bullet PinMediFind
        Follow us on
        This information is not intended as a substitute for informed medical advice. You should work with a licensed professional to diagnose and treat health conditions. We let the data speak for itself, MediFind does not endorse any healthcare providers.
        © 2026 All Rights Reserved

        Request an Appointment

        If you are experiencing a medical emergency, call 9-1-1.

        MediFind will contact the provider for your appointment request. You’ll receive status updates by email. Your provider or MediFind will reach out to you directly by phone or email to schedule your appointment or request additional information.

        Patient Details

        This information is for the patient who will be seen at the appointment.

          Close

          Returning patient? Use your address on file with the provider.

          Insurance Details

          Please provide information of the primary insurance holder as the practice may require this information to schedule.

          Insurance Provider *
          Insurance ProviderClose

          Appointments Details

          Let’s get more information about your appointment.

                  0 / 1000
                  0 / 1000
                  By pressing the Submit button you are agreeing to MediFind’s Terms of Use, Privacy Policy and Consumer Health Data Privacy Policy, as applicable.