Organization Active NPI

Marcus Mayus MD Inc

  • Internal Medicine Physician
  • Greenwich, CT
National Provider Identifier
1780341743
Registry record updated Nov 24, 2021
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
Legal business name
MARCUS MAYUS MD INC
Practice address
81 Holly Hill LN FL 3
Greenwich, CT 06830-6071
Phone
(203) 869-5515
Fax
(203) 869-5765
NPI assigned
Nov 24, 2021
Last updated
Nov 24, 2021By the provider in NPPES
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Nov 24, 2021

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

Authorized official

Name
Dr. Marcus Mayus, MDNPI 1073734935
Title
Physician/Owner
Phone
(203) 869-5515

Authorized official NPPES reports the official by name only. The link goes to the one practitioner connected to this organization with that name.

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X NU Primary

Addresses

Primary practice location

81 Holly Hill LN FL 3
Greenwich, CT 06830-6071

Mailing address

81 Holly Hill LN FL 3
Greenwich, CT 06830-6071
Phone (203) 869-5515

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in CT

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
O20220124000123 CT Part B Supplier - Clinic/Group Practice 6507258688 Receives reassigned benefits from 3 practitioners
Practice locations: Greenwich, CT

Laboratory certificates & supplier records

Derived by NPIMap

These CMS records do not include an NPI. They are shown because their name and street address match this provider’s.

CLIA laboratory certificates

CLIA numberLaboratoryCertificateExpires
07D1076743Marcus Mayus MD, Inc81 Holly Hill LN, 3Rd FLR, Greenwich, CT 06830Certificate of waiverMar 31, 2028

National Provider Directory

National Provider Directory

Interoperability endpoints

  • FHIR API: https://api.platform.athenahealth.com/25360/brand/1/csg/1/fhir/r4

Practitioners & affiliated clinicians

Practitioners 6

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.

NPI Registry JSON

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

{
    "created_epoch": "1637712000000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1637712000000",
    "number": "1780341743",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "81 HOLLY HILL LN FL 3",
            "city": "GREENWICH",
            "state": "CT",
            "postal_code": "068306071",
            "telephone_number": "203-869-5515",
            "fax_number": "203-869-5765"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "81 HOLLY HILL LN FL 3",
            "city": "GREENWICH",
            "state": "CT",
            "postal_code": "068306071",
            "telephone_number": "203-869-5515",
            "fax_number": "203-869-5765"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "MARCUS MAYUS MD INC",
        "organizational_subpart": "NO",
        "enumeration_date": "2021-11-24",
        "last_updated": "2021-11-24",
        "certification_date": "2021-11-24",
        "status": "A",
        "authorized_official_last_name": "MAYUS",
        "authorized_official_first_name": "MARCUS",
        "authorized_official_title_or_position": "PHYSICIAN/OWNER",
        "authorized_official_telephone_number": "203-869-5515",
        "authorized_official_name_prefix": "Dr.",
        "authorized_official_credential": "MD"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "NU",
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Greenwich, CT

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Nov 24, 2021; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
  • Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.