WILLIAM J FOCAZIO MD
NPI 1205817277
Internal Medicine - Gastroenterology in Clifton, NJ

Q: What is William Focazio's NPI number?

The NPI number for William Focazio is 1205817277. It was assigned to this individual provider in the NPPES registry on November 8, 2005.

Q: What is William Focazio's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Q: When was this NPI record last updated?

The NPPES record for William Focazio was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since November 08, 2005PECOS EnrolledAccepts Medicare AssignmentCLIA 31D0895790 · Certificate of Compliance

999 CLIFTON AVE, CLIFTON, NJ 07013(973) 777-7879(973) 777-6738 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

On this page

About William J Focazio Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

WILLIAM J FOCAZIO MD (NPI 1205817277) is an individual gastroenterology provider in Clifton, New Jersey, licensed in New Jersey (MA42726) and active in the NPI registry since November 2005. He is enrolled in Medicare PECOS, holds a CLIA Certificate of Compliance certificate valid through August 5, 2028, and is affiliated with St Joseph's University Medical Center Inc.

NPPES Registry Identity

NPI1205817277

Entity TypeIndividualMale

Primary Taxonomy207RG0100X

Provider Legal NameWILLIAM J FOCAZIOCredential: MD

Location Address999 CLIFTON AVEClifton, NJ 07013

Mailing Address999 Clifton AveClifton, NJ 07013 · (973) 777-7879 · Fax (973) 777-6738

Phone(973) 777-7879

Fax(973) 777-6738

Sole ProprietorNo

Medical School CMSOtherGraduated 1981

Enumeration DateNovember 8, 2005

Last NPPES UpdateJuly 13, 2026

✔ NPI 1205817277 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians

Taxonomy Code207RG0100X

License✔ Licensed in NJ · MA42726

Definition

An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.

999 CLIFTON AVE, Clifton, NJ 07013

Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter Health, Ambetter Health of Delaware, Oscar Health.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

William J Focazio Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID1355354671

PECOS Enrollment IDI20101112000194

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

Medicare enrollment records show William Focazio reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

William J. Focazio, MD PA

Same address

Gastroenterology

999 CLIFTON AVE
Clifton, NJ 07013

Reassigned Medicare billing, New Jersey enrollment
2 clinicians in this Medicare group

NPI 1508053125 (973) 777-7879

The Heart Center Of The Oranges

7.5 mi

Cardiovascular Disease

60 EVERGREEN PLACE, SUITE 400
East Orange, NJ 07018

Reassigned Medicare billing, New Jersey enrollment
45 clinicians in this Medicare group

NPI 1477532588 (973) 395-1550

Madison Medical And Sports Rehabilitation L.L.C

15 mi

Sports Physician

210 MAIN ST
Madison, NJ 07940

Reassigned Medicare billing, New Jersey enrollment
21 clinicians in this Medicare group

NPI 1992730253 (973) 377-6700

The Radiology Group Of New Jersey, LLC

34 mi

Multi-Specialty

651 WILLOW GROVE ST
Hackettstown, NJ 07840

Reassigned Medicare billing, New Jersey enrollment
429 clinicians in this Medicare group

NPI 1174010540 (908) 979-1621

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Compliance 31D0895790

William J Focazio MD · Bloomfield, NJ

Active · expires Aug 5, 2028

CLIA Number31D0895790

Laboratory TypePhysician Office

Certificate Effective DateAugust 6, 2026

Certificate Expiration DateAugust 5, 2028

Laboratory DirectorMiroslav R. Radevic

Laboratory Phone(973) 777-7879

Laboratory LocationWilliam J Focazio MD382 West Passaic Avenue, Bloomfield, NJ 07003

CLIA data matches this NPI record on: Phone

This certificate is issued to a laboratory after an inspection that finds the laboratory to be in compliance with all applicable CLIA requirements.

Areas of Expertise CMS Part B claims 8

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

154 services91 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

53 services53 patients

Insertion of needle into vein for collection of blood sample 36415

This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.

37 services33 patients

Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43239

This procedure involves using a thin, flexible tube with a light and camera, known as an endoscope, to examine the esophagus, stomach, and upper part of the small intestine. Small tissue samples are taken for further examination to help diagnose various conditions.

29 services28 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

18 services17 patients

Removal of polyps or growths of large bowel using an endoscope with mechanical snare 45385

This procedure involves using a thin, flexible tube called an endoscope to examine the large bowel. If any abnormal growths or polyps are found, a tool called a mechanical snare is used to remove them. This is a common method to prevent potential health issues.

17 services17 patients

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

St Joseph's University Medical Center Inc

Acute Care Hospitals · Paterson, NJ

2/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number310019

Location703 Main StPaterson, NJ 07503 · Passaic County

Birthing friendly

Carewell Health Medical Center

Acute Care Hospitals · East Orange, NJ

1/5 CMS rating

OwnershipProprietary

CMS Certification Number310083

Location300 Central AveEast Orange, NJ 07018 · Essex County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 07013 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$144.86 typical visit price

range $63.84 – $190.92

Typical copayment $36.21 (range $15.96 – $47.73)

Most-billed visit code 99204

Established Patient

$111.57 typical visit price

range $20.97 – $155.92

Typical copayment $27.89 (range $5.24 – $38.98)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 16

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MRS. DONNA TAORMINA MS, APN

Nurse Practitioner (Family)