Arnold L. Lentnek, MD

Medicare activity in 2024

Official CMS public-use data for Arnold L. Lentnek, 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)123 services
2. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)55 services
3. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)44 services
4. Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus (87426)27 services
5. New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)26 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%
• Arthritis67%
• Ischemic heart disease62%
• Diabetes55%
• Depression42%

Hospitals where Arnold L. Lentnek works

Medicare's Facility Affiliation Data lists Arnold L. Lentnek 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.

• St Catherine of Siena HospitalSmithtown, NY · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 330401

Practice locations

Addresses where Arnold L. Lentnek is enrolled with Medicare (CMS data updated October 2, 2026).

• 50 Park Pl, Suite 1542Newark, NJ 07102 (845) 826‑0060
• 50 Route 25aSmithtown, NY 11787 (631) 862‑3000

Group practices

Medicare enrollment lists Arnold L. Lentnek as a member of these groups (CMS data updated October 2, 2026).

• CHS Physician Partners PC743 clinicians in the group
• Star Medcare PC2 clinicians in the group

Specialties

• Infectious Diseaseprimary
• Internal Medicinealso

Find other Infectious Disease doctors in New Jersey →

Other infectious disease doctors in Newark

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

• Jerrold J. Ellner, MD
• Alexander Stoler, MD
• Diana Finkel, MD
• Jaspreet Banga, MD
• Lisa L. Dever, MD
• Christopher Vinnard, MD
• Uzma N. Hasan, MD
• Spartaco Bellomo, MD

All infectious disease doctors in Newark →

Other clinicians in CHS Physician Partners PC

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

• David J. Dagate, MD
• Dawn Picece, PA
• Jessica Mangieri
• Emily F. Gubert, MD
• Scott J. Sequeira, MD
• Jane Yang, 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