George J. Ambrosio, MD

Medicare activity in 2024

Official CMS public-use data for George J. Ambrosio, 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. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)992 services
2. Insertion of needle into vein for collection of blood sample (36415)630 services
3. Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)548 services
4. Urinalysis, manual test (81002)511 services
5. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)408 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 cholesterol74%
• Arthritis40%
• Chronic kidney disease30%
• Diabetes27%
• Anxiety22%

Hospitals where George J. Ambrosio works

Medicare's Facility Affiliation Data lists George J. Ambrosio 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 Meridian Mountainside MedicalMontclair, NJ · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 310054
• 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 George J. Ambrosio is enrolled with Medicare (CMS data updated October 2, 2026).

• 50 Pompton AveVerona, NJ 07044
• 750 Valley Brook AveLyndhurst, NJ 07071

Group practices

Medicare enrollment lists George J. Ambrosio as a member of this group (CMS data updated October 2, 2026).

• First Care Medical Group, Inc4 clinicians in the group

Specialties

• Internal Medicineprimary

Find other Internal Medicine doctors in New Jersey →

Other internal medicine doctors in New Jersey

Clinicians with the same Medicare primary specialty in New Jersey — not a recommendation.

• Carol E. Lipsitch, MD
• Attiya H. Ahmad, MD
• Ahmed Salem, MD
• Yaser Elnahar, MD
• Christopher G. Mapa, MD
• Nehabahen V. Shah, MD
• Shital Kayastha, DO
• Olena Fleury, MD

All internal medicine doctors in New Jersey →

Other clinicians in First Care Medical Group, Inc

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

• Michael Dworkis
• Elaine Vellas, MD
• Carol E. Lipsitch, 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