Individual provider Active NPI

William O Passarelli III, MD

  • Cardiovascular Disease Physician
  • Pascagoula, MS
National Provider Identifier
1285653113
Registry record updated Jun 28, 2021
On this page

Key facts

NPPES NPI Registry
Primary specialty
Cardiovascular Disease PhysicianTaxonomy code 207RC0000X
License
MS17347 Issued in MS
Practice address
4300 Hospital St Ste 102
Pascagoula, MS 39581-5329
Phone
(228) 762-1002
NPI assigned
Jul 19, 2006
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Jun 28, 2021

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Cardiovascular Disease Physician 207RC0000X MS17347 MS Primary

Addresses

Primary practice location

4300 Hospital St Ste 102
Pascagoula, MS 39581-5329

Mailing address

4300 Hospital St Ste 102
Pascagoula, MS 39581-5329
Phone (228) 762-1002

Other identifiers 1

IdentifierTypeStateIssuer
0815455669MedicaidMS

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MS
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

Enrollment IDStateProvider typePAC IDDetails
I20090218000371 MS Practitioner - Cardiovascular Disease (Cardiology)Practitioner - Internal Medicine 0749345106 Reassigns benefits to 4 organizations

Care Compare profile

Medicare Care Compare
Specialty
Cardiovascular Disease (Cardiology)Also: Internal Medicine
Education
New York Medical College, 1991
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Singing River Health SystemGroup PAC ID 3870405194, 290 clinicians
Memorial Hospital at GulfportGroup PAC ID 2466524012, 473 clinicians

Practice addresses (Care Compare)

2809 Denny Ave
Pascagoula, MS 39581-5301
Phone (228) 818-0563

4603 Hospital St
Pascagoula, MS 39581-5337
Phone (228) 822-6040

Hospital & facility affiliations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
MS17347MSMDCardiovascular Disease Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Memorial Hospital at Gulfport Current Accepting new patients
Memorial Hospital at Gulfport CurrentSince Aug 1, 2024 Accepting new patients
Memorial Hospital at Gulfport CurrentSince Aug 1, 2024 Accepting new patients
Mississippi Cardiovascular Center of Excellence, LLC Cardiovascular Disease CurrentSince Aug 1, 2022 Accepting new patients
Singing River Health System CurrentSince May 1, 2024 Accepting new patients
Southern Ms Heart Center,PA Cardiovascular Disease Current Accepting new patients
Southern Ms Heart Center,PA Cardiovascular Disease CurrentSince Oct 1, 2001 Accepting new patients
Memorial Hospital at Gulfport Past Accepting new patients
Frederick Health Hospital Inc Past Accepting new patients
Cardiology Clinical Group Cardiovascular Disease Past Accepting new patients

Locations

147 Reynoir St
Ste 307
Biloxi, MS 39530
Phone (228) 435-0100

2101 Highway 90
Gautier, MS 39553
Phone (228) 497-7576

2012 Highway 90
Ste 2
Gautier, MS 39553
Phone (228) 300-3007

1340 Broad Ave
Ste 440
Gulfport, MS 39501
Phone (228) 867-4856

4500 13th St
Gulfport, MS 39501
Phone (228) 236-3872

4500 13th St
#P
Gulfport, MS 39501
Phone (228) 865-3451

3704 Bienville Blvd
#B
Ocean Springs, MS 39564
Phone (228) 872-4040

3109 Bienville Blvd
Ocean Springs, MS 39564
Phone (228) 818-1100

4603 Hospital St
Pascagoula, MS 39581
Phone (228) 762-1002

4300 Hospital St
Ste 102
Pascagoula, MS 39581
Phone (228) 372-8270

2809 Denny Ave
Pascagoula, MS 39581
Phone (228) 809-5000

3616 Hospital St
Pascagoula, MS 39581
Phone (228) 762-1002

Interoperability endpoints

  • Direct secure messaging: wpassarelli@direct.mhg.com

Organizations & group practices 11

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.

Hospital & facility affiliations 64

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

View all 64

NPI Registry JSON

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

{
    "created_epoch": "1153267200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1624838400000",
    "number": "1285653113",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4300 HOSPITAL ST STE 102",
            "city": "PASCAGOULA",
            "state": "MS",
            "postal_code": "395815329",
            "telephone_number": "228-762-1002"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4300 HOSPITAL ST STE 102",
            "city": "PASCAGOULA",
            "state": "MS",
            "postal_code": "395815329",
            "telephone_number": "228-762-1002"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "PASSARELLI",
        "first_name": "WILLIAM",
        "middle_name": "O",
        "name_suffix": "III",
        "credential": "MD",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2006-07-19",
        "last_updated": "2021-06-28",
        "certification_date": "2021-06-28",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RC0000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Cardiovascular Disease",
            "state": "MS",
            "license": "MS17347",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "0815455669",
            "state": "MS"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Pascagoula, MS

Sources for this page

Verify at the official NPI Registry.