Joseph Zangara, MD

Medicare activity in 2024

Official CMS public-use data for Joseph Zangara, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Most frequent services

1. Chronic care management services for two or more chronic conditions, additional 20 minutes of clinical staff time directed by health care professional, per calendar month (99439)583 services
2. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)511 services
3. Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month (99490)344 services
4. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)212 services
5. Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)130 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

• High blood pressure75%
• High cholesterol75%
• Arthritis56%
• Ischemic heart disease38%
• Anxiety36%
• Diabetes30%

Hospitals where Joseph Zangara works

Medicare's Facility Affiliation Data lists Joseph Zangara at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

• Chilton Medical CenterPompton Plains, NJ · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 310017
• Morristown Medical CenterMorristown, NJ · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 310015
• St Joseph's University Medical Center IncPaterson, NJ · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: not listed by Medicare · CCN 310019

Practice locations

Addresses where Joseph Zangara is enrolled with Medicare (CMS data updated October 2, 2026).

• 1825 Route 23Wayne, NJ 07470 (973) 633‑1484
• 301 Lakehurst RdToms River, NJ 08755 (732) 281‑1590

Group practices

Medicare enrollment lists Joseph Zangara as a member of this group (CMS data updated October 2, 2026).

• Gastroenterology Associates of New Jersey LLC80 clinicians in the group

Specialties

• Gastroenterologyprimary

Find other Gastroenterology doctors in New Jersey →

Other gastroenterologists in Wayne

Clinicians with the same Medicare primary specialty in Wayne, NJ — not a recommendation.

• Oren E. Bernheim, MD
• Jonathon S. Stillman, MD
• Bonnie K. Cheng, MD
• David Pinn, MD
• Jay D. Katzman, MD
• Rini Abraham, MD
• Steven David, MD
• Robert H. Bleicher, MD

All gastroenterologists in Wayne →

Other clinicians in Gastroenterology Associates of New Jersey LLC

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

• Andrea Hartzag, NP
• Natan N. Krohn, MD
• John Sotiriadis, MD
• Ivy Sacknowitz, MD
• Neetu H. Chahil, MD
• Michael M. Mainero, MD

Clinician information

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
6. Medicare Care Compare — official Medicare tool to look up clinicians