Individual provider Active NPI

Gregory J Massimi, MD

  • Anatomic Pathology & Clinical Pathology Physician
  • Norfolk, VA
National Provider Identifier
1396786398
Registry record updated Jul 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Anatomic Pathology & Clinical Pathology PhysicianTaxonomy code 207ZP0102X
License
0101056922 Issued in VA
Practice address
6330 N Center Drive
Building 13 Suite 220
Norfolk, VA 23502-4008
Phone
(757) 466-0089
Fax
(757) 466-8017
NPI assigned
Jun 9, 2006
Last updated
Jul 13, 2026By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 13, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Anatomic Pathology & Clinical Pathology Physician 207ZP0102X 0101056922 VA Primary

Addresses

Primary practice location

6330 N Center Drive
Building 13 Suite 220
Norfolk, VA 23502-4008

Mailing address

6330 N Center Drive
Building 13 Suite 220
Norfolk, VA 23502-4008
Phone (757) 466-0089

Other identifiers 1

IdentifierTypeStateIssuer
6606083MedicaidVA

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
Pathology Sciences Medical Group, PC Anatomic Pathology & Clinical Pathology Past Accepting new patients
Urology of Virginia, PC Past Accepting new patients
Medical Center Radiologists Inc Past Accepting new patients

Organizations & group practices 3

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.

NPI Registry JSON

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

{
    "created_epoch": "1149811200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1396786398",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "6330 N CENTER DRIVE",
            "address_2": "BUILDING 13 SUITE 220",
            "city": "NORFOLK",
            "state": "VA",
            "postal_code": "235024008",
            "telephone_number": "757-466-0089",
            "fax_number": "757-466-8017"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "6330 N CENTER DRIVE",
            "address_2": "BUILDING 13 SUITE 220",
            "city": "NORFOLK",
            "state": "VA",
            "postal_code": "235024008",
            "telephone_number": "757-466-0089",
            "fax_number": "757-466-8017"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MASSIMI",
        "first_name": "GREGORY",
        "middle_name": "J",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-06-09",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207ZP0102X",
            "taxonomy_group": "",
            "desc": "Pathology, Anatomic Pathology & Clinical Pathology",
            "state": "VA",
            "license": "0101056922",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "6606083",
            "state": "VA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Norfolk, VA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.