Anthony N. Kalloo
Experienced in Hiatal Hernia

Dr. Anthony N. Kalloo

Gastroenterology
Johns Hopkins Medicine
JH Health Care & Surgery Center – White Marsh
4924 Campbell Boulevard, Suite 110, Suite 110, 
Nottingham, MD 
Offers Telehealth
47 Years of Experience

Experienced in Hiatal Hernia
Johns Hopkins Medicine
JH Health Care & Surgery Center – White Marsh
4924 Campbell Boulevard, Suite 110, Suite 110, 
Nottingham, MD 
OverviewInsuranceLocationsClinical ResearchSimilar Doctors

Overview

Anthony Kalloo is a professor of medicine with special interests in natural orifice translumenal endoscopic surgery, therapeutic endoscopy and sphincter of Oddi dysfunction. After receiving his medical degree at the University of the West Indies Medical School, Dr. Kalloo interned at Port of Spain General Hospital in Trinidad and performed his internal medicine residency at Howard University Hospital in Washington, D.C., where he was also chief resident. He completed fellowship training at the combined Georgetown University, Veterans Affairs Medical Center and National Institutes of Health program. Dr. Kalloo was an instructor of medicine at Georgetown University prior to joining the Johns Hopkins faculty in 1988. He was director of the Johns Hopkins Division of Gastroenterology and Hepatology from 2005–2020, and was an associate editor of Gastrointestinal Endoscopy. In 2009, Dr. Kalloo was recognized by the American Society for Gastrointestinal Endoscopy as the Distinguished Educator of the Year. In 2014, he received the Endoscopy Award from the German Society for Endoscopy for outstanding research and contribution in the field of endoscopy. In 2015, he received the BJ Vakil Oration from the Society of Gastrointestinal Endoscopy of India, which is bestowed on an international expert for his contribution to the field of gastrointestinal endoscopy. He has authored over 200 peer-reviewed publications and has more than 100 patents, including the use of botulinum toxin in the gastrointestinal tract, endoscopic cryotherapy and the winged biliary/pancreatic stent, as well as others related to natural orifice surgery. He is the pioneer of natural orifice translumenal endoscopic surgery, a technique that will enable abdominal surgery without the use of incisions. In 2015, he became a member of the inaugural chapter of the National Academy of Inventors at The Johns Hopkins University. This group represents the top 3% of all faculty inventors since 1969, and the top 1.5% of active Johns Hopkins faculty. Dr. Kalloo is a past panel chair for gastroenterology and urology devices with the United States Food and Drug Administration. He aims to advance the understanding, diagnosis, treatment and prevention of gastrointestinal and liver disease through patient care, education and research.

Dr. Kalloo is rated as an Experienced provider by MediFind in the treatment of Hiatal Hernia. His top areas of expertise are Hereditary Pancreatitis, Acute Pancreatitis, Achalasia, Endoscopy, and Gastrectomy.

His clinical research consists of co-authoring 177 peer reviewed articles. MediFind looks at clinical research from the past 15 years. In particular, he has co-authored 1 article in the study of Hiatal Hernia.

Graduate Year
1979
Residency
Howard University Hospital, Internal Medicine, 1985
Specialties
Gastroenterology
Licenses
Internal Medicine in MD
Board Certifications
American Board Of Internal Medicine
Fellowships
Washington VA Medical Center, Gastroenterology, 1987
Hospital Affiliations
The Johns Hopkins Hospital
Johns Hopkins Bayview Medical Center
Languages Spoken
English
Gender
Male

Insurance

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

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Accepted insurance plans:

Aetna
  • EPO
  • HMO
  • POS
  • PPO
Anthem BCBS
  • EPO
  • HMO
  • POS
  • PPO
Blue Cross Blue Shield
  • EPO
  • HMO
  • POS
  • PPO
Capital Blue Cross
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • OTHER MEDICARE PART D
  • PPO
CareFirst
  • HMO
  • POS
  • PPO
Cigna
  • EPO
  • HMO
  • PPO
First Health
  • INSURANCE PLAN
  • MEDICARE PDP
  • PPO
Geisinger
  • HMO
  • POS
  • 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
Humana
  • HMO
  • INDEMNITY
  • POS
  • PPO
Johns Hopkins Healthcare
  • HMO
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE-MEDICAID PLAN
Medicaid
  • OTHER MEDICAID
  • STATE MEDICAID
UnitedHealthcare
  • EPO
  • HMO
  • POS
  • PPO
Walgreens
  • MEDICARE DISCOUNT CARD
  • MEDICARE PDP
  • OTHER MEDICARE
Wellcare
  • EPO
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • MEDICARE SNP
  • MEDICARE-MEDICAID PLAN
  • OTHER MEDICARE
  • OTHER MEDICARE PART D
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Locations

JH Health Care & Surgery Center – White Marsh
4924 Campbell Boulevard, Suite 110, Suite 110, Nottingham, MD 21236
Call: 410-933-7495

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.


178 Total Publications

Gastrointestinal endoscopy: keeping up with the times.
Gastrointestinal endoscopy: keeping up with the times.
Journal: Current opinion in gastroenterology
Published: August 07, 2025
View All 178 Publications
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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. Kalloo's expertise for a condition
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  • Elite
  • Endoscopy
    Dr. Kalloo is
    Elite
    . Learn about Endoscopy.
    See more Endoscopy experts
  • Distinguished
  • Achalasia
    Dr. Kalloo is
    Distinguished
    . Learn about Achalasia.
    See more Achalasia experts
  • Acute Pancreatitis
    Dr. Kalloo is
    Distinguished
    . Learn about Acute Pancreatitis.
    See more Acute Pancreatitis experts
  • Hereditary Pancreatitis
    Dr. Kalloo is
    Distinguished
    . Learn about Hereditary Pancreatitis.
    See more Hereditary Pancreatitis experts
  • Advanced
  • Bile Duct Obstruction
    Dr. Kalloo is
    Advanced
    . Learn about Bile Duct Obstruction.
    See more Bile Duct Obstruction experts
  • Chronic Pancreatitis
    Dr. Kalloo is
    Advanced
    . Learn about Chronic Pancreatitis.
    See more Chronic Pancreatitis experts
  • Colonoscopy
    Dr. Kalloo is
    Advanced
    . Learn about Colonoscopy.
    See more Colonoscopy experts
  • Gastrectomy
    Dr. Kalloo is
    Advanced
    . Learn about Gastrectomy.
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  • Gastric Bypass
    Dr. Kalloo is
    Advanced
    . Learn about Gastric Bypass.
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  • Gastroparesis
    Dr. Kalloo is
    Advanced
    . Learn about Gastroparesis.
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View All 9 Advanced Conditions
  • Experienced
  • Attenuated Familial Adenomatous Polyposis
    Dr. Kalloo is
    Experienced
    . Learn about Attenuated Familial Adenomatous Polyposis.
    See more Attenuated Familial Adenomatous Polyposis experts
  • Barrett Esophagus
    Dr. Kalloo is
    Experienced
    . Learn about Barrett Esophagus.
    See more Barrett Esophagus experts
  • Bile Duct Stricture
    Dr. Kalloo is
    Experienced
    . Learn about Bile Duct Stricture.
    See more Bile Duct Stricture experts
  • Bowel Incontinence
    Dr. Kalloo is
    Experienced
    . Learn about Bowel Incontinence.
    See more Bowel Incontinence experts
  • Childhood Pancreatitis
    Dr. Kalloo is
    Experienced
    . Learn about Childhood Pancreatitis.
    See more Childhood Pancreatitis experts
  • Cholangitis
    Dr. Kalloo is
    Experienced
    . Learn about Cholangitis.
    See more Cholangitis experts
View All 35 Experienced Conditions
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