Individual provider Active NPI

Steve G Massaquoi, M.D., PH.D.

  • Neurology Physician
  • Boston, MA
National Provider Identifier
1811934813
Registry record updated Apr 4, 2023
On this page

Key facts

NPPES NPI Registry
Primary specialty
Neurology PhysicianTaxonomy code 2084N0400X
License
56107 Issued in MA
Practice address
55 Fruit St
Department of Neurology
Boston, MA 02114-2621
Phone
(617) 726-2000
NPI assigned
May 31, 2006
Last updated
Apr 4, 2023By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Apr 4, 2023

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Neurology Physician 2084N0400X 56107 MA Primary

Addresses

Primary practice location

55 Fruit St
Department of Neurology
Boston, MA 02114-2621

Mailing address

49 Hill Rd
#49
Belmont, MA 02478-4304
Phone (617) 686-9126

Other practice location 1

41 Mall Rd
Burlington, MA 01805-2621
Phone (781) 744-8000

Other identifiers 4

IdentifierTypeStateIssuer
3194922MedicaidMA
M00148OtherMAHARVARD PILGRIM HEALTHPLA
158335OtherMATUFTS HEALTPLAN
J05646OtherMABLUE SHIELD

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MA
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
I20060407000188 MA Practitioner - Neurology 9436168143 Reassigns benefits to 9 organizations

Care Compare profile

Medicare Care Compare
Specialty
Neurology
Education
Harvard Medical School, 1983
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices

Practice addresses (Care Compare)

41 Mall Rd
Burlington, MA 01805-0001
Phone (781) 744-8400

85 Herrick St
Beverly, MA 01915-1790
Phone (978) 816-3700

Hospital & facility affiliations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
56107MAMDNeurology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
The General Hospital Corporation CurrentSince Dec 30, 2010 Accepting new patients
Lahey Clinic, Inc CurrentSince Feb 1, 2023 Accepting new patients
Winchester Physician Associates, Inc CurrentSince May 1, 2023 Accepting new patients
Jordan Physician Associates, Inc. CurrentSince Jan 10, 2020 Accepting new patients
Beth Israel Lahey Health Specialty Care, Inc. CurrentSince Dec 1, 2024 Accepting new patients
Community Physicians Associates, Inc. CurrentSince Oct 1, 2017 Accepting new patients
Jordan Physician Associates, Inc. CurrentSince Jan 10, 2020 Accepting new patients
Community Physicians Associates, Inc. CurrentSince Oct 1, 2017 Accepting new patients
Lahey Clinic, Inc. CurrentSince Feb 1, 2023 Accepting new patients
Hallmark Health Medical Associates Inc CurrentSince Oct 1, 2016 Accepting new patients
Massachusetts General Physicians Organization Inc Neurology CurrentSince Sep 9, 1999 Accepting new patients

Locations

55 Fruit St
Boston, MA 02114

55 Fruit St
#2
Boston, MA 02114
Phone (617) 726-2967

55 Fruit St
#8
Boston, MA 02114
Phone (617) 724-3914

41 Mall Rd
Burlington, MA 01805
Phone (781) 744-8400

170 Governors Ave
Medford, MA 02155
Phone (781) 306-6000

46 Obery St
Plymouth, MA 02360
Phone (508) 210-5920

46 Obery St
Ste 1
Plymouth, MA 02360

1093 N Main St
Randolph, MA 02368
Phone (781) 963-0676

425 Revere St
Revere, MA 02151
Phone (781) 286-1313

1021 Main St
Ste 106
Winchester, MA 01890
Phone (781) 665-0215

41 Highland Ave
Winchester, MA 01890
Phone (781) 756-2000

Interoperability endpoints

  • Direct secure messaging: smassaquoi195531@direct.bilh.masshiway.net

Organizations & group practices 11

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 3

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": "1149033600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1680566400000",
    "number": "1811934813",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "49 HILL RD",
            "address_2": "#49",
            "city": "BELMONT",
            "state": "MA",
            "postal_code": "024784304",
            "telephone_number": "617-686-9126"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "55 FRUIT ST",
            "address_2": "DEPARTMENT OF NEUROLOGY",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "021142621",
            "telephone_number": "617-726-2000"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "41 Mall Rd",
            "address_purpose": "LOCATION",
            "city": "Burlington",
            "state": "MA",
            "postal_code": "018052621",
            "country_code": "US",
            "telephone_number": "781-744-8000",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "MASSAQUOI",
        "first_name": "STEVE",
        "middle_name": "G",
        "name_prefix": "Dr.",
        "credential": "M.D., PH.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-05-31",
        "last_updated": "2023-04-04",
        "certification_date": "2023-04-04",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2084N0400X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Neurology",
            "state": "MA",
            "license": "56107",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "3194922",
            "state": "MA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "HARVARD PILGRIM HEALTHPLA",
            "identifier": "M00148",
            "state": "MA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "TUFTS HEALTPLAN",
            "identifier": "158335",
            "state": "MA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BLUE SHIELD",
            "identifier": "J05646",
            "state": "MA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Boston, MA

Sources for this page

Verify at the official NPI Registry.