Glenn A. Zwerin, MD

Medicare activity in 2024

Official CMS public-use data for Glenn A. Zwerin, 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. Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or (G2212)566 services
2. Complex chronic care management services for two or more chronic conditions, first 60 minutes of clinical staff time directed by health care professional, per calendar month (99487)287 services
3. Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)264 services
4. Chronic care management services for two or more chronic conditions, first 30 minutes provided personally by health care professional, per calendar month (99491)203 services
5. Telephone medical discussion with physician, 21-30 minutes (99443)108 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%
• Arthritis65%
• Diabetes50%
• Chronic kidney disease47%
• Ischemic heart disease37%

Hospitals where Glenn A. Zwerin works

Medicare's Facility Affiliation Data lists Glenn A. Zwerin 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.

• Monmouth Medical CenterLong Branch, NJ · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 310075

Practice locations

Addresses where Glenn A. Zwerin is enrolled with Medicare (CMS data updated October 2, 2026).

• 133 Pavilion AveLong Branch, NJ 07740 (732) 222‑7650

Specialties

• Geriatric Medicineprimary
• Internal Medicinealso

Find other Geriatric Medicine doctors in New Jersey →

Other geriatricians in New Jersey

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

• Sana Riaz, MD
• Jen L. Kou, MD
• Sara I. Ali, MD
• Megha Puri, MD
• Benjamin D. Lessig, DO
• Robert Platzman, DO
• Arthur L. Sheppell, MD
• Theresa M. Redling, DO

All geriatricians in New Jersey →

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