Anthony M. Szema, MD

Medicare activity in 2024

Official CMS public-use data for Anthony M. Szema, 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. Injection, omalizumab, 5 mg (J2357)12,840 services
2. Test for allergy using allergenic extract (95004)2,429 services
3. Professional service for preparation and provision of 1 or more antigens (95165)1,101 services
4. Test for allergy using skin patch (95044)878 services
5. Injection of drug or substance under skin or into muscle (96372)517 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 pressure69%
• Arthritis56%
• Asthma51%
• Ischemic heart disease35%
• Anxiety31%

Hospitals where Anthony M. Szema works

Medicare's Facility Affiliation Data lists Anthony M. Szema 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.

• John T Mather Memorial Hospital of Port JeffersonPort Jefferson, NY · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 330185
• Suny/Stony Brook University HospitalStony Brook, NY · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 330393

Practice locations

Addresses where Anthony M. Szema is enrolled with Medicare (CMS data updated October 2, 2026).

• 3771 Nesconset Hwy, Suite 105South Setauket, NY 11720 (631) 675‑6474

Group practices

Medicare enrollment lists Anthony M. Szema as a member of this group (CMS data updated October 2, 2026).

• Three Village Allergy and Asthma, PLLC2 clinicians in the group

Specialties

• Allergy/Immunologyprimary
• Pulmonary Diseasealso

Find other Allergy/Immunology doctors in New York →

Other allergist and immunologists in New York

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

• Sara Sussman, MD
• Luke P. Legakis, MD
• Clifford W. Bassett, MD
• Sima J. Patel, DO
• Mohan S. Dhillon, MD
• Hema Dalal, MD
• Vrinda Kumar, MD
• Mariana Marcu, MD

All allergist and immunologists in New York →

Other clinicians in Three Village Allergy and Asthma, PLLC

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

• John F. Byrne, 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