Jean B. Guerrier, MD

Medicare activity in 2024

Official CMS public-use data for Jean B. Guerrier, 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. Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes (99231)146 services
2. Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)88 services
3. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)23 services
4. Removal of gallbladder using an endoscope (47562)15 services
5. New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)11 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%
• Ischemic heart disease56%
• Diabetes49%
• Arthritis49%
• Heart failure43%

Hospitals where Jean B. Guerrier works

Medicare's Facility Affiliation Data lists Jean B. Guerrier 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.

• Hackensack University Medical CenterHackensack, NJ · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 310001
• Palisades Medical CenterNorth Bergen, NJ · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 310003

Practice locations

Addresses where Jean B. Guerrier is enrolled with Medicare (CMS data updated October 2, 2026).

• 20 Prospect AveHackensack, NJ 07601 (551) 996‑5045

Group practices

Medicare enrollment lists Jean B. Guerrier as a member of this group (CMS data updated October 2, 2026).

• Hackensack Meridian Health Medical Group - Specialty Care PC1,922 clinicians in the group

Specialties

• General Surgeryprimary

Find other General Surgery doctors in New Jersey →

Other general surgeons in Hackensack

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

• Harold Chung Loy, MD
• Alexey Zendel, MD
• Grigoriy Soybelman, MD
• Jamshed A. Zuberi, MD
• Sophia Toraby, MD
• Bianca Fischer, MD
• Stephen C. Klepner, DO
• Samuel Sultan, MD

All general surgeons in Hackensack →

Other clinicians in Hackensack Meridian Health Medical Group - Specialty Care PC

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

• Adriana Fitzsimmons, MD
• Aos S. Mohammed Ameen, MD
• Jeffrey Kraft, MD
• Nisha Patel, MD
• Marnie Rosenthal, DO
• Dylan J. Waligroski, NP

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