Individual provider Active NPI

Marvin Ryou, M.D.

  • Gastroenterology Physician
  • Boston, MA
National Provider Identifier
1821104787
Registry record updated Jul 19, 2012
On this page

Key facts

NPPES NPI Registry
Primary specialty
Gastroenterology PhysicianTaxonomy code 207RG0100X
License
225849 Issued in MA
Practice address
75 Francis St
Asbii
Boston, MA 02115-6110
Phone
(617) 732-5500
NPI assigned
Aug 22, 2006
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 19, 2012

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X 225849 MA
Gastroenterology Physician 207RG0100X 225849 MA Primary

Addresses

Primary practice location

75 Francis St
Asbii
Boston, MA 02115-6110

Mailing address

75 Francis St
Asbii
Boston, MA 02115-6110
Phone (617) 732-5500

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MA
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: Yes
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20071110000031 MA Practitioner - Gastroenterology 7214025147 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Gastroenterology
Education
Harvard Medical School, 2003
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Emerson Practice Associates, IncGroup PAC ID 8123188117, 247 clinicians

Practice addresses (Care Compare)

131 Old Rd to 9 Acre Cor
Concord, MA 01742
Phone (978) 287-3835

75 Francis St
Boston, MA 02115-6110
Phone (617) 732-5500

Hospital & facility affiliations

Procedures performed for Medicare patients

ProcedureNumber of procedures
Colonoscopy25
Upper gastrointestinal (GI) endoscopy for acid reflux314

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
225849MAMDGastroenterology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Brigham & Womens Physicians Organization Inc Internal Medicine CurrentSince May 30, 2015 Accepting new patients
Brigham and Women'S Hospital Current Accepting new patients
Emerson Practice Associates, Inc. Internal Medicine CurrentSince Dec 15, 2020 Accepting new patients
Brigham and Womens Physicians Organization Inc Past Accepting new patients

Locations

221 Longwood Ave
Boston, MA 02115
Phone (617) 732-4918

75 Francis St
Boston, MA 02115

133 Ornac
Concord, MA 01742
Phone (978) 287-3000

Interoperability endpoints

  • Direct secure messaging: ryou.marvin.epa@direct.partners.masshiway.net
  • Direct secure messaging: ryou.marvin.bwh@direct.partners.masshiway.net

Organizations & group practices 4

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

Hospital & facility affiliations 6

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1156204800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1342656000000",
    "number": "1821104787",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "75 FRANCIS ST",
            "address_2": "ASBII",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "021156110",
            "telephone_number": "617-732-5500"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "75 FRANCIS ST",
            "address_2": "ASBII",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "021156110",
            "telephone_number": "617-732-5500"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "RYOU",
        "first_name": "MARVIN",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-08-22",
        "last_updated": "2012-07-19",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "MA",
            "license": "225849",
            "primary": false
        },
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "MA",
            "license": "225849",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Boston, MA

Sources for this page

Verify at the official NPI Registry.