Marvin Ryou
Experienced in Chronic Erosive Gastritis

Dr. Marvin Ryou

Gastroenterology | Hepatology
Brigham and Women’s Hospital
Brigham And Women's Crohn's And Colitis Center
850 Boylston Street, Suite 201 Mass General Brigham Healthcare Center, 
Chestnut Hill, MA 
Offers Telehealth

Experienced in Chronic Erosive Gastritis
Brigham and Women’s Hospital
Brigham And Women's Crohn's And Colitis Center
850 Boylston Street, Suite 201 Mass General Brigham Healthcare Center, 
Chestnut Hill, MA 
OverviewInsuranceLocationsClinical ResearchSimilar Doctors

Overview

Marvin Ryou is a Hepatologist and a Gastroenterologist in Chestnut Hill, Massachusetts. Dr. Ryou is rated as an Experienced provider by MediFind in the treatment of Chronic Erosive Gastritis. His top areas of expertise are Esophageal Varices, Portal Hypertension, Familial Pancreatic Cancer, Endoscopy, and Gastrostomy.

His clinical research consists of co-authoring 106 peer reviewed articles. MediFind looks at clinical research from the past 15 years.

Graduate Institution
Harvard Medical School, 1999 - 2003
Specialties
Gastroenterology
Hepatology
Licenses
Internal Medicine in MA
Board Certifications
Gastroenterology
Fellowships
Brigham and Women's Hospital, 2007 - 2010
Brigham and Women's Hospital, 2010 - 2011
Hospital Affiliations
Emerson Hospital -
South Shore Hospital
Brigham And Women's Hospital
Languages Spoken
English
Gender
Male

Insurance

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

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Accepted insurance plans:

Anthem BCBS
  • EPO
  • HMO
  • POS
  • PPO
Blue Cross Blue Shield
  • EPO
  • HMO
  • POS
  • PPO
BMC HealthNet
  • HMO
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE SNP
Commonwealth Care Alliance
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • MEDICARE SNP
  • MEDICARE-MEDICAID PLAN
Humana
  • HMO
  • INDEMNITY
  • POS
  • PPO
Medicaid
  • OTHER MEDICAID
  • STATE MEDICAID
Tufts
  • HMO
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 4 Less Insurance Carriers -

Locations

Brigham and Women's Crohn's and Colitis Center
850 Boylston Street, Suite 201 Mass General Brigham Healthcare Center, Chestnut Hill, MA 02467
Call: 617-732-6389
Other Locations
Brigham and Women's Faulkner Hospital, Gastroenterology Associates
1153 Centre Street, Suite 4G, Jamaica Plain, MA 02130
Call: 617-732-6389
Brigham and Women's Hospital, Division of Gastroenterology, Hepatology and Endoscopy
45 Francis Street, Boston, MA 02115
Call: 617-732-6389

Additional Areas of Focus

Dr. Ryou has provided the following conditions as areas of focus. Please note that we may not have enough data to validate their experience in some of these conditions.

Obesity

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.


103 Total Publications

Challenging the gold standard: endohepatology in the diagnosis of presinusoidal portal hypertension.
Challenging the gold standard: endohepatology in the diagnosis of presinusoidal portal hypertension.
Journal: Revista espanola de enfermedades digestivas
Published: September 29, 2025
View All 103 Publications
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850 Boylston St, 
Chestnut Hill, MA 
 (2.3 miles away)
617-732-5500
Languages Spoken:
English
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Jaime Oviedo is a Hepatologist and a Gastroenterologist in Chestnut Hill, Massachusetts. Dr. Oviedo is rated as a Distinguished provider by MediFind in the treatment of Chronic Erosive Gastritis. His top areas of expertise are Gastroesophageal Reflux Disease (GERD), Familial Adenomatous Polyposis, Barrett Esophagus, and Chronic Erosive Gastritis.

VIEW MORE CHRONIC EROSIVE GASTRITIS 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. Ryou's expertise for a condition
ConditionClose
  • Elite
  • Endoscopy
    Dr. Ryou is
    Elite
    . Learn about Endoscopy.
    See more Endoscopy experts
  • Esophageal Varices
    Dr. Ryou is
    Elite
    . Learn about Esophageal Varices.
    See more Esophageal Varices experts
  • Portal Hypertension
    Dr. Ryou is
    Elite
    . Learn about Portal Hypertension.
    See more Portal Hypertension experts
  • Distinguished
  • Familial Pancreatic Cancer
    Dr. Ryou is
    Distinguished
    . Learn about Familial Pancreatic Cancer.
    See more Familial Pancreatic Cancer experts
  • Gastric Bypass
    Dr. Ryou is
    Distinguished
    . Learn about Gastric Bypass.
    See more Gastric Bypass experts
  • Gastrostomy
    Dr. Ryou is
    Distinguished
    . Learn about Gastrostomy.
    See more Gastrostomy experts
  • Advanced
  • Acute Pancreatitis
    Dr. Ryou is
    Advanced
    . Learn about Acute Pancreatitis.
    See more Acute Pancreatitis experts
  • Bile Duct Obstruction
    Dr. Ryou is
    Advanced
    . Learn about Bile Duct Obstruction.
    See more Bile Duct Obstruction experts
  • Bile Duct Stricture
    Dr. Ryou is
    Advanced
    . Learn about Bile Duct Stricture.
    See more Bile Duct Stricture experts
  • Childhood Pancreatitis
    Dr. Ryou is
    Advanced
    . Learn about Childhood Pancreatitis.
    See more Childhood Pancreatitis experts
  • Childhood Volvulus
    Dr. Ryou is
    Advanced
    . Learn about Childhood Volvulus.
    See more Childhood Volvulus experts
  • Cholangitis
    Dr. Ryou is
    Advanced
    . Learn about Cholangitis.
    See more Cholangitis experts
View All 23 Advanced Conditions
  • Experienced
  • Achalasia
    Dr. Ryou is
    Experienced
    . Learn about Achalasia.
    See more Achalasia experts
  • Angiodysplasia of the Colon
    Dr. Ryou is
    Experienced
    . Learn about Angiodysplasia of the Colon.
    See more Angiodysplasia of the Colon experts
  • Ascites
    Dr. Ryou is
    Experienced
    . Learn about Ascites.
    See more Ascites experts
  • Attenuated Familial Adenomatous Polyposis
    Dr. Ryou is
    Experienced
    . Learn about Attenuated Familial Adenomatous Polyposis.
    See more Attenuated Familial Adenomatous Polyposis experts
  • Barrett Esophagus
    Dr. Ryou is
    Experienced
    . Learn about Barrett Esophagus.
    See more Barrett Esophagus experts
  • Benign Esophageal Stricture
    Dr. Ryou is
    Experienced
    . Learn about Benign Esophageal Stricture.
    See more Benign Esophageal Stricture experts
View All 48 Experienced Conditions
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