William Joseph Marion, DO

Primary specialty

Family Medicine PhysicianTaxonomy code 207Q00000X

License

MB07316400 Issued in NJ

Practice address

426 State RT 515
Vernon, NJ 07462-3027

Phone

(973) 764-5666

Fax

(973) 764-5778

NPI assigned

Dec 22, 2005

Sex

Male

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Other identifiers 6

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: Yes

Green means eligible to order or refer.

Enrollment records 1

Specialty

Family PracticeAlso: Osteopathic Manipulative Medicine

Education

Western University of Health Sciences College of Dental Med, 1995

Medicare assignment

May accept Medicare assignment

Practice addresses (Care Compare)

Hospital & facility affiliations

• Newton Medical Center Hospital, Newton, NJ, CCN 310028

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Osteopathy, Doctor of Medicine

State licenses

Practice roles

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.

• Mountain View Family Medicine LLC

  • Family Medicine Physician
  • Vernon, NJ
  • NPI 1932369378

  Family Medicine, NJ

  Medicare reassignment NPD Authorized official
• Hogarth Emergency Physicians

  • Emergency Medicine Physician
  • Newton, NJ
  • NPI 1770532343
  NPD (past)

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

• Ahs Hospital Corp

  • General Acute Care Hospital
  • Newton, NJ
  • NPI 1790789212

  Hospital

  Care Compare affiliation

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

{
    "created_epoch": "1135209600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1346226115",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "426 STATE RT 515",
            "city": "VERNON",
            "state": "NJ",
            "postal_code": "074623027",
            "telephone_number": "973-764-5666",
            "fax_number": "973-764-5778"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "426 STATE RT 515",
            "city": "VERNON",
            "state": "NJ",
            "postal_code": "074623027",
            "telephone_number": "973-764-5666",
            "fax_number": "973-764-5778"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MARION",
        "first_name": "WILLIAM",
        "middle_name": "JOSEPH",
        "name_prefix": "Dr.",
        "credential": "DO",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-12-22",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "NJ",
            "license": "MB07316400",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "GHI",
            "identifier": "5996410",
            "state": "NJ"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "UNITED HEALTHCARE",
            "identifier": "1846484",
            "state": "NJ"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "FIRST HEALTH",
            "identifier": "5598108",
            "state": "NJ"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "CIGNA",
            "identifier": "7004396",
            "state": "NJ"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "AETNA",
            "identifier": "3704975",
            "state": "NJ"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "OXFORD",
            "identifier": "P2666266",
            "state": "NJ"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Helen M Leszczynska, MD
• Living Better Institute, Inc.
• Carolyn Locascio, CSA
• Elise Lodema
• Emily Majka, PT, DPT
• Mark Madis,M.D. , LLC
• Charles W. Markham, LPC
• Alyne Prado Mascarenhas, PTA
• Emily McElroy
• Matthew Meluso, PT, DPT

• All providers in Vernon, NJ
• Family Medicine Physician in New Jersey

• 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.
• 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.