Individual provider Active NPI

William J Focazio, MD

  • Gastroenterology Physician
  • Clifton, NJ
National Provider Identifier
1205817277
Registry record updated Jul 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Gastroenterology PhysicianTaxonomy code 207RG0100X
License
MA42726 Issued in NJ
Practice address
999 Clifton Ave
Clifton, NJ 07013
Phone
(973) 777-7879
Fax
(973) 777-6738
NPI assigned
Nov 8, 2005
Last updated
Jul 13, 2026By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 13, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Gastroenterology Physician 207RG0100X MA42726 NJ Primary

Addresses

Primary practice location

999 Clifton Ave
Clifton, NJ 07013

Mailing address

999 Clifton Ave
Clifton, NJ 07013
Phone (973) 777-7879

Medicare participation

Medicare enrollment files
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

Enrollment IDStateProvider typePAC IDDetails
I20101112000194 NJ Practitioner - GastroenterologyPractitioner - Internal MedicinePractitioner - Colorectal Surgery (Proctology) 1355354671 Reassigns benefits to 4 organizations

Care Compare profile

Medicare Care Compare
Specialty
GastroenterologyAlso: Colorectal Surgery (Proctology), Internal Medicine
Education
Other, 1981
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
The Heart Center of the OrangesGroup PAC ID 7517950645, 41 clinicians

Practice addresses (Care Compare)

382 W Passaic Ave
Bloomfield, NJ 07003-5555
Phone (973) 777-7879

60 Evergreen PL
Suite 400
East Orange, NJ 07018-2120
Phone (973) 395-1550

Hospital & facility affiliations

Procedures performed for Medicare patients

ProcedureNumber of procedures
Colonoscopy42
Upper gastrointestinal (GI) endoscopy for acid reflux21

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
MA42726NJMDGastroenterology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
The Radiology Group of New Jersey, LLC CurrentSince Feb 25, 2025 Accepting new patients
The Heart Center of the Oranges CurrentSince Apr 1, 2025 Accepting new patients
Madison Medical and Sports Rehabilitation L.L.C CurrentSince Mar 1, 2024 Accepting new patients
Monmouth Digestive Health LLC Gastroenterology PastSince Aug 17, 2020 Accepting new patients
Madison Medical and Sports Rehabilitation L.L.C Past Accepting new patients

Locations

1100 Clifton Ave
Clifton, NJ 07013
Phone (973) 777-7879

1100 Clifton Ave
Ste 5
Clifton, NJ 07013
Phone (973) 777-7879

60 Evergreen Pl
Ste 400
East Orange, NJ 07018

145 Wyckoff Rd
Ste 201
Eatontown, NJ 07724
Phone (732) 597-7333

57 US Highway 46
Ste 212
Hackettstown, NJ 07840

651 Willow Grove St
Hackettstown, NJ 07840
Phone (908) 441-1161

345 Main St
Madison, NJ 07940
Phone (973) 377-6700

175 High St
Newton, NJ 07860
Phone (973) 383-2121

60 Vose Ave
South Orange, NJ 07079
Phone (973) 763-5200

92 Old Northfield Rd
West Orange, NJ 07052
Phone (973) 736-0885

Organizations & group practices 8

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

Hospital & facility affiliations 2

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

NPI Registry JSON

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

{
    "created_epoch": "1131408000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1205817277",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "999 CLIFTON AVE",
            "city": "CLIFTON",
            "state": "NJ",
            "postal_code": "07013",
            "telephone_number": "973-777-7879",
            "fax_number": "973-777-6738"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "999 CLIFTON AVE",
            "city": "CLIFTON",
            "state": "NJ",
            "postal_code": "07013",
            "telephone_number": "973-777-7879",
            "fax_number": "973-777-6738"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "FOCAZIO",
        "first_name": "WILLIAM",
        "middle_name": "J",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-11-08",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "NJ",
            "license": "MA42726",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Clifton, NJ

Sources for this page

Verify at the official NPI Registry.