Individual provider Active NPI

Jillian Grace Marena, PA-C

  • Physician Assistant
  • Boston, MA
National Provider Identifier
1336831643
Registry record updated Dec 16, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Physician AssistantTaxonomy code 363A00000X
License
PA9531 Issued in MA
Practice address
1 Boston Medical Ctr PL Ste 1
Boston, MA 02118-2999
Phone
(617) 638-8000
NPI assigned
May 24, 2023
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Dec 16, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Physician Assistant 363A00000X PA9531 MA Primary

Addresses

Primary practice location

1 Boston Medical Ctr PL Ste 1
Boston, MA 02118-2999

Mailing address

23 Clifton St
Old Lyme, CT 06371-2413
Phone (860) 371-1526

Other practice location 1

75 Francis St
Boston, MA 02115-6106
Phone (617) 732-5500

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: No
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20230919002209 MA Practitioner - Physician Assistant 7810351210 Reassigns benefits to 2 organizations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Physician Assistant

State licenses

LicenseStateTypeSpecialty
PA9531MAMDPhysician Assistant

Practice roles

OrganizationSpecialtyStatusNew patients
Brigham and Women'S Hospital Current Accepting new patients
Brigham and Womens Physicians Organization Inc Past Accepting new patients

Locations

75 Francis St
Boston, MA 02115

Interoperability endpoints

  • Direct secure messaging: marena.jillian.bwh@direct.partners.masshiway.net

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.

NPI Registry JSON

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

{
    "created_epoch": "1684886400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1765843200000",
    "number": "1336831643",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "23 CLIFTON ST",
            "city": "OLD LYME",
            "state": "CT",
            "postal_code": "063712413",
            "telephone_number": "860-371-1526"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1 BOSTON MEDICAL CTR PL STE 1",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "021182999",
            "telephone_number": "617-638-8000"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "75 Francis St",
            "address_purpose": "LOCATION",
            "city": "Boston",
            "state": "MA",
            "postal_code": "021156106",
            "country_code": "US",
            "telephone_number": "617-732-5500",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "MARENA",
        "first_name": "JILLIAN",
        "middle_name": "GRACE",
        "credential": "PA-C",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2023-05-24",
        "last_updated": "2025-12-16",
        "certification_date": "2025-12-16",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "MA",
            "license": "PA9531",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Boston, MA

Sources for this page

Verify at the official NPI Registry.