John William McDonnell Jr., PA-C

Primary specialty

Surgical Physician AssistantTaxonomy code 363AS0400X

License

025301 Issued in NY

Practice address

14 Technology Dr
Setauket, NY 11733-3472

Phone

(631) 444-4233

NPI assigned

Jul 24, 2020

Sex

Male

Sole proprietor

No

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

Specialties & licenses 3

Addresses

Medicare fee-for-service enrollment

Enrolled in NY

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

Specialty

Physician Assistant

Education

Other, 2020

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

North Shore-Lij Medical PCGroup PAC ID 3375701568, 6,374 clinicians

Orthopedic Assoc of Long Island Physicians and Medical Group PLLCGroup PAC ID 6204169147, 31 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• NS/Lij HS Southside Hospital Hospital, Bay Shore, NY, CCN 330043

Medicare enrollment (NPD)

Enrolled

Credentials

Physician Assistant

State licenses

Practice roles

Locations

Networks

• Healthfirst Medicare Network H5989
• Healthfirst Medicare Network H3359
• Healthfirst Medicare Network H1722
• Healthfirst Medicare Network H9678

Interoperability endpoints

• Direct secure messaging: john.mcdonnell@direct.stonybrookmedicine.edu

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.

• North Shore-Lij Medical PC

  • Urology Physician
  • Great Neck, NY
  • NPI 1053688572
  Medicare reassignment Care Compare group
• Orthopedic Assoc of Long Island Physicians & Medical Group PLLC

  • Orthopaedic Surgery Physician
  • East Setauket, NY
  • NPI 1225593809
  Medicare reassignment Care Compare group
• North Shore - Lij Medical PC

  • Internal Medicine Physician
  • New Hyde Park, NY
  • NPI 1790043479
  NPD
• University Hospital at Stony Brook

  • General Acute Care Hospital
  • Stony Brook, NY
  • NPI 1972523348
  NPD
• University Associates in Obstetrics & Gynecology, University Faculty P

  • Obstetrics & Gynecology Physician
  • Stony Brook, NY
  • NPI 1538114723
  NPD (past)

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• South Shore University Hospital

  • General Acute Care Hospital
  • Bay Shore, NY
  • NPI 1457369381
  Care Compare affiliation

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

{
    "created_epoch": "1595548800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1780444800000",
    "number": "1669081865",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "14 TECHNOLOGY DR",
            "city": "SETAUKET",
            "state": "NY",
            "postal_code": "117333472",
            "telephone_number": "631-444-4233"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "14 TECHNOLOGY DR",
            "city": "SETAUKET",
            "state": "NY",
            "postal_code": "117333472",
            "telephone_number": "631-444-4233"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "46 Clearview Ave",
            "address_purpose": "LOCATION",
            "city": "Selden",
            "state": "NY",
            "postal_code": "117843522",
            "country_code": "US",
            "telephone_number": "570-971-2546",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "101 Nicolls Rd",
            "address_purpose": "LOCATION",
            "city": "Stony Brook",
            "state": "NY",
            "postal_code": "117948408",
            "country_code": "US",
            "telephone_number": "631-689-8333",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "6 Technology Dr Ste 100",
            "address_purpose": "LOCATION",
            "city": "East Setauket",
            "state": "NY",
            "postal_code": "117334079",
            "country_code": "US",
            "telephone_number": "631-689-6698",
            "fax_number": "631-751-5548",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "301 E Main St",
            "address_purpose": "LOCATION",
            "city": "Bay Shore",
            "state": "NY",
            "postal_code": "117068408",
            "country_code": "US",
            "telephone_number": "631-968-3000",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "MCDONNELL",
        "first_name": "JOHN",
        "middle_name": "WILLIAM",
        "name_suffix": "Jr.",
        "credential": "PA-C",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2020-07-24",
        "last_updated": "2026-06-03",
        "certification_date": "2026-06-03",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363AS0400X",
            "taxonomy_group": "",
            "desc": "Physician Assistant, Surgical",
            "state": "NY",
            "license": "025301",
            "primary": true
        },
        {
            "code": "363AM0700X",
            "taxonomy_group": "",
            "desc": "Physician Assistant, Medical",
            "state": "NY",
            "license": "025301",
            "primary": false
        },
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "NY",
            "license": "025301",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Raul Jose Masakayan, M.D.
• Stephanie Mathosian, SLP
• Charles Mauceri
• Judith Sara Mausner, LCSW MSW BCD
• Terri L. McCrave
• Kelsey M McGlone, RN
• Maribeth McKeever, LCSW-R,BCD
• Anne Marie McLaughlin, PT
• William Thomas McMath, PH.D.
• Elizabeth Faye Mensch, NP

• Surgical Physician Assistant in Setauket, NY
• Providers in Setauket, NY by specialty
• Surgical Physician Assistant in New York

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 3, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.