Dr. John Marr

General Surgery
Luminis Health Medical Group LLC
2000 Medical Pkwy Ste 600, 
Annapolis, MD 
Offers Telehealth

Luminis Health Medical Group LLC
2000 Medical Pkwy Ste 600, 
Annapolis, MD 
OverviewInsuranceLocationsSimilar Doctors

Overview

John Marr is a General Surgeon in Annapolis, Maryland. His top area of expertise is Delirium.

Specialties
General Surgery
Licenses
Surgery in TX
Hospital Affiliations
Texas Health Harris Methodist Hospital Southwest F
Luminis Health Anne Arundel Medical Center, Inc
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
Anthem
  • EPO
  • HMO
  • POS
  • PPO
CareFirst
  • HMO
  • POS
  • PPO
Cigna
  • EPO
  • HMO
  • PPO
Health Care Services Corporation
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • MEDICARE SNP
  • OTHER COMMERCIAL
  • OTHER MEDICARE
  • OTHER MEDICARE PART D
  • PPO
Highmark
  • EPO
  • HMO
  • PPO
Humana
  • HMO
  • INDEMNITY
  • POS
  • PPO
Independent Health
  • EPO
  • POS
  • PPO
Johns Hopkins Healthcare
  • HMO
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE-MEDICAID PLAN
Medicaid
  • OTHER MEDICAID
  • STATE MEDICAID
Medicare
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • MEDICARE SNP
  • MEDICARE-MEDICAID PLAN
  • OTHER MEDICARE PART D
Oscar
  • EPO
  • HMO
  • PPO
UnitedHealthcare
  • EPO
  • HMO
  • POS
  • PPO
Wellcare
  • EPO
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • MEDICARE SNP
  • MEDICARE-MEDICAID PLAN
  • OTHER MEDICARE
  • OTHER MEDICARE PART D
View 9 Less Insurance Carriers -

Locations

Luminis Health Medical Group LLC
2000 Medical Pkwy Ste 600, Annapolis, MD 21401
Call: 443-481-6699
Other Locations
Scott & White Memorial Hospital
2401 S 31st St, Temple, TX 76508
Call: 254-724-2111
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 
 (1241.6 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 
 (1240.5 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 
 (1240.5 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. Marr's expertise for a condition
ConditionClose
        • Experienced
        • Delirium
          Dr. Marr is
          Experienced
          . Learn about Delirium.
          See more Delirium experts
        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 Annapolis, MD
        3. Dr. John Marr
        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.