Thomas Magnuson
Expertise in
5
conditions

Dr. Thomas Magnuson

General Surgery
Johns Hopkins Medicine
Johns Hopkins Bayview Medical Center
4940 Eastern Avenue, Bayview Medical Offices, Level 03, Bayview Medical Offices, Level 03, 
Baltimore, MD 

Expertise in
5
conditions
Johns Hopkins Medicine
Johns Hopkins Bayview Medical Center
4940 Eastern Avenue, Bayview Medical Offices, Level 03, Bayview Medical Offices, Level 03, 
Baltimore, MD 
OverviewInsuranceLocationsClinical ResearchSimilar Doctors

Overview

Dr. Magnuson specializes in gastrointestinal surgery, including surgeries of the stomach, gallbladder, pancreas and bowel. He has a special interest in bariatric surgery and established the Johns Hopkins Center for Bariatric Surgery in 1997. In 2006, the program was recognized as a Center of Excellence by the American Society for Bariatric Surgery. Dr. Magnuson completed his specialty training in gastrointestinal surgery at The Johns Hopkins Hospital, where he also completed a fellowship investigating issues related to gallstone pathogenesis and biliary tract disease. He is also a member of the Johns Hopkins Comprehensive Hernia Center. He is currently Chair of the Department of Surgery and Chief of General Surgery at Johns Hopkins Bayview Medical Center, and Vice Chair of Surgery at Johns Hopkins.

Dr. Magnuson is highly rated in 5 conditions, according to our data. His top areas of expertise are Hernia, Obesity, Gallstones, Gastric Bypass, and Gastrectomy.

His clinical research consists of co-authoring 45 peer reviewed articles and participating in 2 clinical trials. MediFind looks at clinical research from the past 15 years.

Residency
Johns Hopkins University School of Medicine, Surgery, 1992
Specialties
General Surgery
Licenses
Surgery in MD
Board Certifications
American Board Of Surgery
Hospital Affiliations
Johns Hopkins Bayview Medical Center
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:

Aetna
  • EPO
  • HMO
  • POS
  • PPO
CareFirst
  • HMO
  • POS
  • PPO
Cigna
  • EPO
  • HMO
  • PPO
First Health
  • INSURANCE PLAN
  • MEDICARE PDP
  • PPO
Geisinger
  • HMO
  • POS
  • PPO
Humana
  • HMO
  • INDEMNITY
  • POS
  • PPO
View 1 Less Insurance Carrier -

Locations

Johns Hopkins Bayview Medical Center
4940 Eastern Avenue, Bayview Medical Offices, Level 03, Bayview Medical Offices, Level 03, Baltimore, MD 21224
Call: 410-550-5900

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.


2 Clinical Trials

APB Study: Apixaban Pharmacokinetics in Bariatric Patients
APB Study: Apixaban Pharmacokinetics in Bariatric Patients
Enrollment Status: Completed
Publish Date: December 22, 2020
Intervention Type: Drug
Study Phase: Phase 4
The Effect of VItamin D Supplementation on Nutritional STatus and Adverse Outcomes in Bariatric Surgery (VISTA)
The Effect of VItamin D Supplementation on Nutritional STatus and Adverse Outcomes in Bariatric Surgery (VISTA)
Enrollment Status: Terminated
Publish Date: June 06, 2019
Intervention Type: Other, Dietary supplement
Study Phase: Not Applicable
View 1 Less Clinical Trial

45 Total Publications

Preoperative Frailty Assessment, Operative Severity Score, and Early Postoperative Loss of Independence in Surgical Patients Age 65 Years or Older.
Preoperative Frailty Assessment, Operative Severity Score, and Early Postoperative Loss of Independence in Surgical Patients Age 65 Years or Older.
Journal: Journal of the American College of Surgeons
Published: November 29, 2020
View All 45 Publications
Similar Doctors
Expertise in
14
conditions
Dr. Dorry L. Segev
General Surgery
Expertise in
14
conditions
Dr. Dorry L. Segev
General Surgery
600 N Wolfe St, 
Baltimore, MD 
 (0.1 miles away)
410-955-5045
Languages Spoken:
English
See accepted insurances

Dorry Segev is a General Surgeon in Baltimore, Maryland. Dr. Segev is highly rated in 14 conditions, according to our data. His top areas of expertise are End-Stage Renal Disease (ESRD), Liver Failure, Hyperparathyroidism, Kidney Transplant, and Liver Transplant.

Allan J. Belzberg
Expertise in
17
conditions
Dr. Allan J. Belzberg
General Surgery | Neurosurgery
Expertise in
17
conditions
Dr. Allan J. Belzberg
General Surgery | Neurosurgery

Johns Hopkins Outpatient Center

601 North Caroline Street, Floor 5, Floor 5, 
Baltimore, MD 
 (1.2 miles away)
410-955-6406
Experience:
44+ years
Languages Spoken:
English
See accepted insurances
Offers Telehealth

Dr. Allan Belzberg is a neurosurgeon specializing in surgery of the peripheral nervous system. As Director of Peripheral Nerve Surgery at Johns Hopkins in Baltimore, he treats tumors including schwannoma, neurofibroma and nerve sheath tumor. Dr. Belzberg performs surgical repair of nerve damage caused by trauma as well as neurosurgery on carpal tunnel, peroneal nerve and other peripheral nerve conditions. Dr. Belzberg also directs the Brachial Plexus and Peripheral Nerve Clinic at the Kennedy Krieger Institute and co-directs the Neurosurgery Pain Research Institute at Johns Hopkins Hospital. Dr. Belzberg currently sees patients at the Johns Hopkins Outpatient Center located in Baltimore on Wednesdays and the Green Spring Station location on Fridays. Dr. Belzberg is highly rated in 17 conditions, according to our data. His top areas of expertise are Schwannomatosis, Neurofibromatosis, Thoracic Outlet Syndrome, Osteotomy, and Rhizotomy.

John L. Cameron
Expertise in
12
conditions
Dr. John L. Cameron
General Surgery
Expertise in
12
conditions
Dr. John L. Cameron
General Surgery

Johns Hopkins Outpatient Center

601 North Caroline Street, Floor 8, Floor 8, 
Baltimore, MD 
 (1.2 miles away)
443-997-1508
Languages Spoken:
English
See accepted insurances

Dr. Cameron has had a long and distinguished career in alimentary tract diseases and specifically in pancreatic cancer. He has won worldwide acclaim for mastering the Whipple procedure. At the beginning of his career, the mortality rate from the Whipple procedure was nearly 30 percent. He has worked to lower that to 1 percent to 2 percent at Johns Hopkins. He has operated on more patients with pancreatic cancer and done more Whipple resections than any other surgeon in the world. In addition to maintaining a busy practice that focuses mainly on pancreatic surgery, he has been a leader in the surgical profession, serving as president of the American College of Surgeons, Society for Surgery of the Alimentary Tract, Southern Surgical Association, Society of Clinical Surgery, Society of Surgical Chairmen, Halsted Society and American Surgical Association. He served as chief of surgery for The Johns Hopkins Hospital for nineteen years. Dr. Cameron obtained his undergraduate degree from Harvard University in 1958, and his medical degree from The Johns Hopkins University School of Medicine in 1962. All of his training in General and Thoracic Surgery was obtained at The Johns Hopkins Hospital. Dr. Cameron is highly rated in 12 conditions, according to our data. His top areas of expertise are Pancreatic Cancer, Pancreatic Ductal Adenocarcinoma, Pancreatic Islet Cell Tumor, Pancreaticoduodenectomy, and Pancreatectomy.

VIEW MORE General Surgeons

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. Magnuson's expertise for a condition
ConditionClose
    • Distinguished
    • Gastric Bypass
      Dr. Magnuson is
      Distinguished
      . Learn about Gastric Bypass.
      See more Gastric Bypass experts
    • Hernia
      Dr. Magnuson is
      Distinguished
      . Learn about Hernia.
      See more Hernia experts
    • Advanced
    • Gastrectomy
      Dr. Magnuson is
      Advanced
      . Learn about Gastrectomy.
      See more Gastrectomy experts
    • Obesity
      Dr. Magnuson is
      Advanced
      . Learn about Obesity.
      See more Obesity experts
    • Sleeve Gastrectomy
      Dr. Magnuson is
      Advanced
      . Learn about Sleeve Gastrectomy.
      See more Sleeve Gastrectomy experts
    • Experienced
    • Choledocholithiasis
      Dr. Magnuson is
      Experienced
      . Learn about Choledocholithiasis.
      See more Choledocholithiasis experts
    • Endoscopy
      Dr. Magnuson is
      Experienced
      . Learn about Endoscopy.
      See more Endoscopy experts
    • Gallbladder Disease
      Dr. Magnuson is
      Experienced
      . Learn about Gallbladder Disease.
      See more Gallbladder Disease experts
    • Gallstones
      Dr. Magnuson is
      Experienced
      . Learn about Gallstones.
      See more Gallstones experts
    • Hernia Surgery
      Dr. Magnuson is
      Experienced
      . Learn about Hernia Surgery.
      See more Hernia Surgery experts
    • Malabsorption
      Dr. Magnuson is
      Experienced
      . Learn about Malabsorption.
      See more Malabsorption experts
    View All 12 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
    1. Homepage
    2. General Surgeons Baltimore, MD
    3. Dr. Thomas Magnuson
    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.