William Grello, PA-C

Primary specialty

Physician AssistantTaxonomy code 363A00000X

License

5788 Issued in SC

Practice address

100 Brewster Blvd
Camp Lejeune, NC 28547-2575

Phone

(910) 450-4357

NPI assigned

Feb 24, 2015

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

Other names 1

• William McMillan-Grello Former name

Medicare fee-for-service enrollment

Enrolled in SC

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, 2012

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Grand Strand Specialty Associates, LLCGroup PAC ID 0648451344, 29 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

State licenses

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.

• Grand Strand Specialty Associates, LLC

  • Orthopaedic Surgery Physician
  • Myrtle Beach, SC
  • NPI 1821398512
  Medicare reassignment Care Compare group

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

{
    "created_epoch": "1424736000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1749513600000",
    "number": "1124410444",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "100 BREWSTER BLVD",
            "city": "CAMP LEJEUNE",
            "state": "NC",
            "postal_code": "285472575"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "100 BREWSTER BLVD",
            "city": "CAMP LEJEUNE",
            "state": "NC",
            "postal_code": "285472575",
            "telephone_number": "910-450-4357"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GRELLO",
        "first_name": "WILLIAM",
        "credential": "PA-C",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2015-02-24",
        "last_updated": "2025-06-10",
        "certification_date": "2025-06-10",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "TN",
            "license": "1123217",
            "primary": false
        },
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "SC",
            "license": "5788",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "WILLIAM",
            "last_name": "MCMILLAN-GRELLO",
            "credential": "PA-C",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

• Joshua Daniel Greenberger, PHARMD
• Richard T Greenfield Jr., PT,DPT
• Andrew Greenhalgh, MD
• Kristin Greer
• Jeffrey Michael Gregson
• Alan Mathew Grenert, PA
• Clare E Griffis, MD
• Samantha Grillo, M.D.
• Phillip Thomas Grisdela Jr., MD
• Catia Groves, DDS

• Physician Assistant in Camp Lejeune, NC
• Providers in Camp Lejeune, NC by specialty
• Physician Assistant in North Carolina

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 10, 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.