Individual provider Active NPI

Jillian M Diionno, PA-C

  • Physician Assistant
  • Hackettstown, NJ
National Provider Identifier
1194167577
Registry record updated Jul 9, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Physician AssistantTaxonomy code 363A00000X
License
25MP00312100 Issued in NJ
Practice address
57 Route 46 Ste 107
Hackettstown, NJ 07840-2695
Phone
(908) 813-9700
Fax
(908) 813-2861
NPI assigned
Jul 25, 2013
Last updated
Jul 9, 2025By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 9, 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 25MP00312100 NJ Primary

Addresses

Primary practice location

57 Route 46 Ste 107
Hackettstown, NJ 07840-2695

Mailing address

90 Matawan Rd Ste 302
Matawan, NJ 07747-2653
Phone (732) 441-7177

Other practice location 1

1 Robertson Dr Ste 11
Bedminster, NJ 07921-1716
Phone (908) 813-9700

Other names 1

  • Jillian Merrell Former name

Electronic endpoints 2

TypeEndpointUseAffiliation
Direct Messaging Address Jillian.DiIonno.1@21449.direct.athenahealth.com Premier Brain and Spine, LLC
Direct Messaging Address Jillian.DiIonno.1@21449.direct.athenahealth.com Premier Brain and Spine, LLC

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in NJ
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
I20140516000866 NJ Practitioner - Physician Assistant 7214150481 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Physician Assistant
Education
Other, 2013
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Advocare, LLCGroup PAC ID 3678562188, 383 clinicians
Premier Brain and Spine LLCGroup PAC ID 6608264833, 128 clinicians

Practice addresses (Care Compare)

132 Grove St
Suite a
Haddonfield, NJ 08033-1224
Phone (856) 354-2211

2500 Morris Ave
Suite 220
Union, NJ 07083-5675
Phone (732) 906-9600

57 Route 46 E 107
Advocare Skylands Orthopaedics
Hackettstown, NJ 07840-2695
Phone (908) 813-9700

57 US Hwy 46
Suite 107
Hackettstown, NJ 07840-2695
Phone (908) 813-9700

Hospital & facility affiliations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
25MP00312100NJMDPhysician Assistant

Practice roles

OrganizationSpecialtyStatusNew patients
Premier Brain and Spine LLC CurrentSince Sep 2, 2025 Accepting new patients
Advocare, LLC CurrentSince Jun 1, 2016 Accepting new patients
Advocare , LLC CurrentSince Jun 1, 2016 Accepting new patients
Premier Brain and Spine, LLC CurrentSince Sep 2, 2025 Accepting new patients
Freeman Pain Institute PA Physician Assistant Past Accepting new patients

Locations

1 Robertson Dr
Ste 11
Bedminster, NJ 07921
Phone (908) 234-9200

57 US Highway 46
Ste 107
Hackettstown, NJ 07840

132 Grove St
Ste A
Haddonfield, NJ 08033
Phone (856) 354-2211

90 Matawan Rd
Ste 302
Matawan, NJ 07747
Phone (201) 972-5568

2500 Morris Ave
Ste 220
Union, NJ 07083
Phone 7329069600312

1001 Laurel Oak Rd
Ste A2
Voorhees, NJ 08043
Phone (856) 566-8600

Interoperability endpoints

  • Direct secure messaging: jillian.diionno.1@21449.direct.athenahealth.com

Organizations & group practices 5

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": "1374710400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1752019200000",
    "number": "1194167577",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "90 MATAWAN RD STE 302",
            "city": "MATAWAN",
            "state": "NJ",
            "postal_code": "077472653",
            "telephone_number": "732-441-7177",
            "fax_number": "732-441-7165"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "57 ROUTE 46 STE 107",
            "city": "HACKETTSTOWN",
            "state": "NJ",
            "postal_code": "078402695",
            "telephone_number": "908-813-9700",
            "fax_number": "908-813-2861"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1 Robertson Dr Ste 11",
            "address_purpose": "LOCATION",
            "city": "Bedminster",
            "state": "NJ",
            "postal_code": "079211716",
            "country_code": "US",
            "telephone_number": "908-813-9700",
            "fax_number": "908-813-2861",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "DIIONNO",
        "first_name": "JILLIAN",
        "middle_name": "M",
        "credential": "PA-C",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2013-07-25",
        "last_updated": "2025-07-09",
        "certification_date": "2025-07-09",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "NJ",
            "license": "25MP00312100",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "Jillian.DiIonno.1@21449.direct.athenahealth.com",
            "affiliation": "Y",
            "affiliationName": "Premier Brain and Spine, LLC",
            "address_1": "57 Route 46 Ste 107",
            "city": "Hackettstown",
            "state": "NJ",
            "country_code": "US",
            "postal_code": "078402695",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "Jillian.DiIonno.1@21449.direct.athenahealth.com",
            "affiliation": "Y",
            "affiliationName": "Premier Brain and Spine, LLC",
            "address_1": "1 Robertson Dr Ste 11",
            "city": "Bedminster",
            "state": "NJ",
            "country_code": "US",
            "postal_code": "079211716",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": [
        {
            "first_name": "JILLIAN",
            "last_name": "MERRELL",
            "credential": "PA-C",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

Other providers in Hackettstown, NJ

Sources for this page

Verify at the official NPI Registry.