Individual provider Active NPI

Subin G Chirayath, DO

  • Gastroenterology Physician
  • Norwalk, CT
National Provider Identifier
1518525336
Registry record updated Jul 14, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Gastroenterology PhysicianTaxonomy code 207RG0100X
License
86032 Issued in CT
Practice address
34 Maple St
Norwalk, CT 06850-3815
Phone
(203) 852-2000
NPI assigned
Jun 5, 2019
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 14, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Gastroenterology Physician 207RG0100X 86032 CT Primary

Addresses

Primary practice location

34 Maple St
Norwalk, CT 06850-3815

Mailing address

34 Maple St
Norwalk, CT 06850-3815
Phone (203) 852-2000

Other practice location 1

24 Hospital Ave
Danbury, CT 06810-6099
Phone (203) 739-7000

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
I20250618002438 MA Practitioner - Gastroenterology 6709300981 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Gastroenterology
Education
New York College of Osteo Medicine of New York Institute of Technology, 2019
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Umass Memorial Medical Group IncGroup PAC ID 4284539891, 2,494 clinicians

Practice addresses (Care Compare)

119 Belmont St
Worcester, MA 01605-2903
Phone (508) 334-1000

Hospital & facility affiliations

  • Umass Memorial Medical Center/University Campus Hospital, Worcester, MA, CCN 220163

Procedures performed for Medicare patients

ProcedureNumber of procedures
Colonoscopy33
Upper gastrointestinal (GI) endoscopy for acid reflux35

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
1021234MAMDGastroenterology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Umass Memorial Medical Group, Inc. CurrentSince Jul 1, 2025 Accepting new patients
Umass Memorial Medical Group Inc CurrentSince Jul 1, 2025 Accepting new patients

Locations

28 Newton St
Southborough, MA 01772
Phone (508) 334-3068

119 Belmont St
Worcester, MA 01605
Phone (508) 334-6345

55 Lake Ave N
Worcester, MA 01655
Phone 508334100048862

21 Eastern Ave
Worcester, MA 01605
Phone (508) 334-8419

Interoperability endpoints

  • Direct secure messaging: schirayath220622@direct-sluhn.org

Organizations & group practices 2

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 1

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": "1559692800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783987200000",
    "number": "1518525336",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "34 MAPLE ST",
            "city": "NORWALK",
            "state": "CT",
            "postal_code": "068503815",
            "telephone_number": "203-852-2000"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "34 MAPLE ST",
            "city": "NORWALK",
            "state": "CT",
            "postal_code": "068503815",
            "telephone_number": "203-852-2000"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "24 Hospital Ave",
            "address_purpose": "LOCATION",
            "city": "Danbury",
            "state": "CT",
            "postal_code": "068106099",
            "country_code": "US",
            "telephone_number": "203-739-7000",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "CHIRAYATH",
        "first_name": "SUBIN",
        "middle_name": "G",
        "credential": "DO",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2019-06-05",
        "last_updated": "2026-07-14",
        "certification_date": "2026-07-14",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "CT",
            "license": "86032",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Norwalk, CT

Sources for this page

Verify at the official NPI Registry.