Individual provider Active NPI

Melanie Sharon Kelton, M.D.

  • Internal Medicine Physician
  • Old Greenwich, CT
National Provider Identifier
1083918577
Registry record updated Feb 1, 2011
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
049411 Issued in CT
Practice address
8 W End Ave
Old Greenwich, CT 06870-1642
Phone
(203) 637-5400
NPI assigned
Dec 27, 2010
Last updated
Feb 1, 2011By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Feb 1, 2011

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 186774 NY
Internal Medicine Physician 207R00000X 049411 CT Primary

Addresses

Primary practice location

8 W End Ave
Old Greenwich, CT 06870-1642

Mailing address

8 W End Ave
Old Greenwich, CT 06870-1642
Phone (203) 637-5400

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in CT
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
I20110427000828 CT Practitioner - Internal Medicine 9739364274 Reassigns benefits to 2 organizations
Practice locations: Old Greenwich, CT

Care Compare profile

Medicare Care Compare
Specialty
Internal Medicine
Education
Jefferson Medical College of Thomas Jefferson University, 1990
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Rebecca Warkol MD LLCGroup PAC ID 6507171600, 4 clinicians
Old Greenwich Medical Group LLCGroup PAC ID 6800337452, 5 clinicians

Practice addresses (Care Compare)

8 W End Ave
Old Greenwich, CT 06870-1642
Phone (203) 637-5406

Hospital & facility affiliations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
049411CTMDInternal Medicine Physician
186774NYMDInternal Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Rebecca Warkol MD LLC Internal Medicine CurrentSince Dec 2, 2024 Accepting new patients
Old Greenwich Medical Group LLC Internal Medicine CurrentSince Oct 12, 2025 Accepting new patients

Locations

8 W End Ave
Old Greenwich, CT 06870
Phone (203) 637-3212

Interoperability endpoints

  • FHIR API: https://api.platform.athenahealth.com/3667/brand/1/csg/1/fhir/r4
  • Direct secure messaging: melanie.kelton.1@27673.direct.athenahealth.com

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, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

Hospital & facility affiliations 2

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": "1293408000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1296518400000",
    "number": "1083918577",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "8 W END AVE",
            "city": "OLD GREENWICH",
            "state": "CT",
            "postal_code": "068701642",
            "telephone_number": "203-637-5400"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "8 W END AVE",
            "city": "OLD GREENWICH",
            "state": "CT",
            "postal_code": "068701642",
            "telephone_number": "203-637-5400"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "KELTON",
        "first_name": "MELANIE",
        "middle_name": "SHARON",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2010-12-27",
        "last_updated": "2011-02-01",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "NY",
            "license": "186774",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CT",
            "license": "049411",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Old Greenwich, CT

Sources for this page

Verify at the official NPI Registry.