NPIMap

Individual provider Active NPI

Michael John Melgar, MD

  • Internal Medicine Physician
  • Great Neck, NY
National Provider Identifier
1801893755
Registry record updated Jul 10, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
178298 Issued in NY
Practice address
488 Great Neck Rd
Great Neck, NY 11021-4315
Phone
(516) 482-6747
Fax
(516) 482-4851
NPI assigned
Jul 7, 2005
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 10, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X 178298 NY Primary

Addresses

Primary practice location

488 Great Neck Rd
Great Neck, NY 11021-4315

Mailing address

488 Great Neck Rd
Great Neck, NY 11021-4315
Phone (516) 482-6747

Other identifiers 1

IdentifierTypeStateIssuer
DP217OtherNYOXFORD

Electronic endpoints 1

TypeEndpointUseAffiliation
Direct Messaging Address mmelgar113008@nyumc.direct-ci.com

Medicare participation

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

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20110125000279 NY Practitioner - Internal Medicine 1456530351 Reassigns benefits to 1 organization
Practice locations: Great Neck, NY

Care Compare profile

Medicare Care Compare
Specialty
Internal Medicine
Education
Albany Medical College of Union University, 1987
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
New York UniversityGroup PAC ID 1355232422, 5,925 clinicians

Practice addresses (Care Compare)

111 Broadway
New York, NY 10006-1901
Phone (212) 263-9700

Hospital & facility affiliations

  • Catholic Home Care Home health agency, Farmingdale, NY, CCN 337147
  • North Shore Home Care Chha Home health agency, Westbury, NY, CCN 337148
  • North Shore University Hospital Hospital, Manhasset, NY, CCN 330106
  • NYU Langone Hospitals Hospital, New York, NY, CCN 330214

Merit-based Incentive Payment System (MIPS)

Final score
90.8 of 100Reported as group
Quality
91.79
Promoting interoperability
100
Improvement activities
40
Cost
75.18

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
New York University Internal Medicine CurrentSince Jul 1, 2015 Accepting new patients
New York University Internal Medicine CurrentSince Jul 1, 2015 Accepting new patients
Frederick Health Hospital Inc Past Accepting new patients
North Shore Medical Asscoaites,PC Internal Medicine PastSince Jun 7, 1989 Accepting new patients

Locations

488 Great Neck Rd
Ste 300
Great Neck, NY 11021
Phone (516) 482-6747

488 Great Neck Rd
Great Neck, NY 11021
Phone (516) 466-1151

Networks

  • Healthfirst Medicare Network H1722
  • Healthfirst Medicare Network H9678
  • Healthfirst Medicare Network H3359
  • Healthfirst Medicare Network H5989

Interoperability endpoints

  • Direct secure messaging: mmelgar113008@nyumc.direct-ci.com

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 11

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": "1120694400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783641600000",
    "number": "1801893755",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "488 GREAT NECK RD",
            "city": "GREAT NECK",
            "state": "NY",
            "postal_code": "110214315",
            "telephone_number": "516-482-6747",
            "fax_number": "516-482-4851"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "488 GREAT NECK RD",
            "city": "GREAT NECK",
            "state": "NY",
            "postal_code": "110214315",
            "telephone_number": "516-482-6747",
            "fax_number": "516-482-4851"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MELGAR",
        "first_name": "MICHAEL",
        "middle_name": "JOHN",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-07-07",
        "last_updated": "2026-07-10",
        "certification_date": "2026-07-10",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "NY",
            "license": "178298",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "OXFORD",
            "identifier": "DP217",
            "state": "NY"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "mmelgar113008@nyumc.direct-ci.com",
            "affiliation": "N",
            "address_1": "488 Great Neck Rd",
            "city": "Great Neck",
            "state": "NY",
            "country_code": "US",
            "postal_code": "110214315",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Great Neck, NY

Sources for this page

Verify at the official NPI Registry.