William James Mesnard, MD

Primary specialty

Rheumatology PhysicianTaxonomy code 207RR0500X

License

MA46581 Issued in NJ

Practice address

116 Millburn Ave
Millburn, NJ 07041-1919

Phone

(973) 375-2545

Fax

(973) 467-4207

NPI assigned

Sep 20, 2006

Sex

Male

Sole proprietor

No

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

Specialties & licenses 2

Addresses

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

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

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

{
    "created_epoch": "1158710400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757548800000",
    "number": "1467559617",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "116 MILLBURN AVE",
            "city": "MILLBURN",
            "state": "NJ",
            "postal_code": "070411919",
            "telephone_number": "973-375-2545",
            "fax_number": "973-467-4207"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "116 MILLBURN AVE",
            "city": "MILLBURN",
            "state": "NJ",
            "postal_code": "070411919",
            "telephone_number": "973-375-2545",
            "fax_number": "973-467-4207"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MESNARD",
        "first_name": "WILLIAM",
        "middle_name": "JAMES",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-09-20",
        "last_updated": "2025-09-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "NJ",
            "license": "MA46581",
            "primary": false
        },
        {
            "code": "207RR0500X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Rheumatology",
            "state": "NJ",
            "license": "MA46581",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Harlan M. Mellk, M. D.
• Manuel Jacobo Mendez Jr., M.D.
• Menon Regenerative Institute LLC
• Aditi Sen Menon, M.D.
• Yanina Meshko, MD
• Bridget Messina, M.D,
• Norman J Metz, DMD
• Chudi Mgbako, DPM
• Michael F Durante MD
• Michael G. Steinberg, DDS, PA

• All providers in Millburn, NJ
• Rheumatology Physician in New Jersey

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 11, 2025; 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.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.