Lawrence S. Rosenthal, MD

Medicare activity in 2024

Official CMS public-use data for Lawrence S. Rosenthal, 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 low level od decision making, if using time, 20 minutes or more (99213)406 services
2. Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (43239)126 services
3. Removal of polyps or growths of large bowel using an endoscope with mechanical snare (45385)125 services
4. Biopsy of large bowel using a flexible endoscope (45380)57 services
5. New patient office or other outpatient visit with straightforward medical decision making, if using time, 15 minutes or more (99202)57 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 cholesterol75%
• High blood pressure72%
• Arthritis52%
• Ischemic heart disease35%
• Osteoporosis31%
• Diabetes30%

Hospitals where Lawrence S. Rosenthal works

Medicare's Facility Affiliation Data lists Lawrence S. Rosenthal 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.

• Cooperman Barnabas Medical CenterLivingston, NJ · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 310076
• Morristown Medical CenterMorristown, NJ · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 310015
• Overlook Medical CenterSummit, NJ · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 310051

Practice locations

Addresses where Lawrence S. Rosenthal is enrolled with Medicare (CMS data updated October 2, 2026).

• 101 Old Short Hills Rd, Suite 217West Orange, NJ 07052 (973) 731‑4600

Group practices

Medicare enrollment lists Lawrence S. Rosenthal as a member of this group (CMS data updated October 2, 2026).

• Barnabas Health Multispecialty23 clinicians in the group

Specialties

• Gastroenterologyprimary

Find other Gastroenterology doctors in New Jersey →

Other gastroenterologists in West Orange

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

• Matthew P. Askin, MD
• David Pineles, MD
• Vincent Wong, MD
• Theodore A. Dacosta, MD
• David O. Rahni, MD
• Zain Moosvi, MD
• Elias Estifan, MD
• Yunseok Namn, MD

All gastroenterologists in West Orange →

Other clinicians in Barnabas Health Multispecialty

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

• Nicholas Tarangelo, MD
• Matthew P. Askin, MD
• David Pineles, MD
• Varalakshmi Annadanam, MD
• Ellen J. Rosen, MD
• David O. Rahni, 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