William Holder, (M.D.,

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

2017-00061 Issued in NC

Practice address

285 N Beverwyck Rd
Parsippany, NJ 07054-2252

Phone

(973) 331-9774

Fax

(973) 263-3329

NPI assigned

May 2, 2007

Sex

Male

Sole proprietor

Yes

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

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Enrolled in NC

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 Practice

Education

Other, 1981

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Lifesource of North CarolinaGroup PAC ID 7416132428, 172 clinicians

Lifesource Prime IncGroup PAC ID 7810336385, 52 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

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.

• Lifesource of North Carolina

  • Internal Medicine Physician
  • Wilmington, NC
  • NPI 1811286156
  Medicare reassignment Care Compare group NPD
• Lifesource Prime Inc

  • Family Medicine Physician
  • Wilmington, NC
  • NPI 1598533275
  Medicare reassignment Care Compare group NPD
• Lifesource of North Carolina

  • Psychologist
  • Milton, FL
  • NPI 1730648288
  NPD
• Lifesource Prime Inc

  • Family Medicine Physician
  • Richmond, VA
  • NPI 1548124159
  NPD

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

{
    "created_epoch": "1178064000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1746662400000",
    "number": "1316168602",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "285 N BEVERWYCK RD",
            "city": "PARSIPPANY",
            "state": "NJ",
            "postal_code": "070542252",
            "telephone_number": "973-331-9774"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "285 N BEVERWYCK RD",
            "city": "PARSIPPANY",
            "state": "NJ",
            "postal_code": "070542252",
            "telephone_number": "973-331-9774",
            "fax_number": "973-263-3329"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "3205 Randall Pkwy Ste 105",
            "address_purpose": "LOCATION",
            "city": "Wilmington",
            "state": "NC",
            "postal_code": "284032565",
            "country_code": "US",
            "telephone_number": "910-742-9243",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "HOLDER",
        "first_name": "WILLIAM",
        "name_prefix": "Dr.",
        "credential": "(M.D.,",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2007-05-02",
        "last_updated": "2025-05-08",
        "certification_date": "2025-05-08",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "NC",
            "license": "2017-00061",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Amanda Hinchman, LCSW, LCADC
• Kari Michelle Hiraldo
• David J Hirsch, MD
• James M Hirschfeld, MD
• Hayley Robin Hirschmann, PH.D.
• Holistic Pediatrics
• Home Care of New Jersey, LLC
• Honest Soul Counseling, LLC
• Stephen Horgan, M.B., B.CH., PH.D.
• Taneikwa Houston

• Internal Medicine Physician in Parsippany, NJ
• Providers in Parsippany, NJ by specialty
• Internal Medicine Physician in New Jersey

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 8, 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.
• 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.