Individual provider Active NPI

Martin Andres Merenzon, MD

  • Neurological Surgery Physician
  • Riverhead, NY
National Provider Identifier
1154027878
Registry record updated Jun 3, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Neurological Surgery PhysicianTaxonomy code 207T00000X
License
344048 Issued in NY
Practice address
1 Heroes Way
Riverhead, NY 11901-2054
Phone
(631) 548-6000
NPI assigned
Feb 3, 2023
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jun 3, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Neurological Surgery Physician 207T00000X 344048 NY Primary

Addresses

Primary practice location

1 Heroes Way
Riverhead, NY 11901-2054

Mailing address

1 Heroes Way
Riverhead, NY 11901-2054
Phone (631) 548-6000

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
I20230815000854 CT Order and Referring Only - NeurosurgeryPractitioner - Neurosurgery 8224490859

Care Compare profile

Medicare Care Compare
Specialty
Neurosurgery
Education
Other, 2014
Medicare assignment
May accept Medicare assignment

Practice addresses (Care Compare)

1111 Marcus Ave
New Hyde Park, NY 11042-1034

2 Brighton Rd
Suite 300
Clifton, NJ 07012-1645

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
344048NYMDNeurological Surgery Physician

Practice roles

OrganizationSpecialtyStatusNew patients
North Shore-Lij Medical PC Neurological Surgery PastSince Jul 17, 2026 Accepting new patients

Interoperability endpoints

  • Direct secure messaging: mmerenzon615619@direct.ynhh.org

Organizations & group practices 1

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.

NPI Registry JSON

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

{
    "created_epoch": "1675382400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1780444800000",
    "number": "1154027878",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1 HEROES WAY",
            "city": "RIVERHEAD",
            "state": "NY",
            "postal_code": "119012054",
            "telephone_number": "631-548-6000"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1 HEROES WAY",
            "city": "RIVERHEAD",
            "state": "NY",
            "postal_code": "119012054",
            "telephone_number": "631-548-6000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MERENZON",
        "first_name": "MARTIN",
        "middle_name": "ANDRES",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2023-02-03",
        "last_updated": "2026-06-03",
        "certification_date": "2026-06-03",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207T00000X",
            "taxonomy_group": "",
            "desc": "Neurological Surgery",
            "state": "NY",
            "license": "344048",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Riverhead, NY

Sources for this page

Verify at the official NPI Registry.