Diane H. Cymerman, MD

Medicare activity in 2024

Official CMS public-use data for Diane H. Cymerman, 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. Test for allergy using allergenic extract (95004)565 services
2. Professional service for preparation and provision of 1 or more antigens (95165)408 services
3. Professional service for multiple injections of allergen (95117)134 services
4. Test to measure expiratory airflow and volume (94010)131 services
5. Administration and interpretation of patient-focused health risk assessment (96160)113 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%
• Arthritis57%
• Asthma50%
• Anxiety31%
• Diabetes30%

Hospitals where Diane H. Cymerman works

Medicare's Facility Affiliation Data lists Diane H. Cymerman 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 Diane H. Cymerman is enrolled with Medicare (CMS data updated October 2, 2026).

• 26 Research WayEast Setauket, NY 11733 (631) 444‑0580

Group practices

Medicare enrollment lists Diane H. Cymerman as a member of this group (CMS data updated October 2, 2026).

• Stony Brook Internists University Faculty Practice Corporation428 clinicians in the group

Specialties

• Allergy/Immunologyprimary
• Internal Medicinealso

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.

• Brianne N. Navetta-Modrov
• Anum F. Muzaffar, MD
• Emmanuel A. Quaidoo, MD
• Michael Landor, MD
• Evelyn D. Capellan Durante, MD
• Marie-Helene Sajous, MD
• Ma. Lourdes B. De Asis, MD
• Stephen Canfield, MD

All allergist and immunologists in New York →

Other clinicians in Stony Brook Internists University Faculty Practice Corporation

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

• Daniel M. Marino, MD
• Ana M. Lopez, MD
• Zobaria Yaqoob, MD
• Lidia Valjan
• Jules A. Cohen, MD
• Thomas W. Holowka, 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