Individual provider Active NPI

Gillian Marini, PA-C

  • Physician Assistant
  • Philadelphia, PA
National Provider Identifier
1821834979
Registry record updated Feb 10, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Physician AssistantTaxonomy code 363A00000X
License
MA065808 Issued in PA
Practice address
3400 Spruce St
3 Silverstein BLDG
Philadelphia, PA 19104-4238
Phone
(215) 662-3487
Fax
(215) 349-5534
NPI assigned
Jul 8, 2024
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Feb 10, 2026

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 MA065808 PA Primary

Addresses

Primary practice location

3400 Spruce St
3 Silverstein BLDG
Philadelphia, PA 19104-4238

Mailing address

3400 Spruce St
3 Silverstein BLDG
Philadelphia, PA 19104-4238
Phone (215) 662-3487

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in PA
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
I20241205002524 PA Practitioner - Physician Assistant 7810423498 Reassigns benefits to 1 organization

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
University of Penn-Medical Group CurrentSince Dec 30, 2024 Accepting new patients
University of Penn-Medical Group CurrentSince Dec 30, 2024 Accepting new patients

Locations

3400 Spruce St
Fl 3
Philadelphia, PA 19104

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 and National Provider Directory roles.

NPI Registry JSON

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

{
    "created_epoch": "1720396800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1770681600000",
    "number": "1821834979",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3400 SPRUCE ST",
            "address_2": "3 SILVERSTEIN BLDG",
            "city": "PHILADELPHIA",
            "state": "PA",
            "postal_code": "191044238",
            "telephone_number": "215-662-3487",
            "fax_number": "215-349-5534"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3400 SPRUCE ST",
            "address_2": "3 SILVERSTEIN BLDG",
            "city": "PHILADELPHIA",
            "state": "PA",
            "postal_code": "191044238",
            "telephone_number": "215-662-3487",
            "fax_number": "215-349-5534"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MARINI",
        "first_name": "GILLIAN",
        "credential": "PA-C",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2024-07-08",
        "last_updated": "2026-02-10",
        "certification_date": "2026-02-10",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "PA",
            "license": "MA065808",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Philadelphia, PA

Sources for this page

Verify at the official NPI Registry.