Greenleaf Neurology, PLLC

Primary specialty

Clinic/CenterTaxonomy code 261Q00000X

Legal business name

GREENLEAF NEUROLOGY, PLLC

Practice address

2 Merrimack St FL 3
Haverhill, MA 01830-6207

Phone

(978) 428-9220

NPI assigned

Apr 21, 2025

Organization subpart

No

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

Authorized official

Name

Dr. Alexandra Filippakis, DONPI 1508270596

Title

Owner/Neurologist

Phone

(978) 428-9220

Specialties & licenses 1

Addresses

Other names 1

• Greenleaf Neurology Doing business as

Medicare fee-for-service enrollment

Enrolled in MA

Enrollment records 1

Locations

Practitioners 1

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles.

• Alexandra Filippakis, D.O.

  • Neurology Physician
  • Haverhill, MA
  • NPI 1508270596
  Medicare reassignment NPD Authorized official

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

{
    "created_epoch": "1745193600000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1745193600000",
    "number": "1144017476",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2 MERRIMACK ST FL 3",
            "city": "HAVERHILL",
            "state": "MA",
            "postal_code": "018306207"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2 MERRIMACK ST FL 3",
            "city": "HAVERHILL",
            "state": "MA",
            "postal_code": "018306207",
            "telephone_number": "978-428-9220"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "GREENLEAF NEUROLOGY, PLLC",
        "organizational_subpart": "NO",
        "enumeration_date": "2025-04-21",
        "last_updated": "2025-04-21",
        "certification_date": "2025-04-21",
        "status": "A",
        "authorized_official_last_name": "FILIPPAKIS",
        "authorized_official_first_name": "ALEXANDRA",
        "authorized_official_title_or_position": "OWNER/NEUROLOGIST",
        "authorized_official_telephone_number": "978-428-9220",
        "authorized_official_name_prefix": "Dr.",
        "authorized_official_credential": "DO"
    },
    "taxonomies": [
        {
            "code": "261Q00000X",
            "taxonomy_group": "",
            "desc": "Clinic/Center",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "organization_name": "Greenleaf Neurology",
            "code": "3",
            "type": "Doing Business As"
        }
    ]
}

• Greater Newburyport Opportunities
• Marisa Greaves
• David Hugh Greenblott, DPM
• Beth C Greene, D.C.
• Chloe Olivia Greene
• Kimberly Avery Greenwood, LPTA
• Barbara Ann Greer, THERAPEUTIC MENTOR
• Cara Grenham, THERAPEUTIC MENTOR
• Caroline Ryan Gressler, LMHC
• Mary Ellen E. Groves, LCSW

• Clinic/Center in Haverhill, MA
• Providers in Haverhill, MA by specialty
• Clinic/Center in Massachusetts

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 21, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.