Diane M. Garrigan, MD

Medicare activity in 2024

Official CMS public-use data for Diane M. Garrigan, 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. Screening mammography (77067)240 services
2. Screening 3d breast mammography (77063)237 services
3. Complete ultrasound scan of 1 breast (76641)104 services
4. Diagnostic digital breast tomosynthesis, unilateral or bilateral (list separately in addition to 77065 or 77066) (G0279)41 services
5. Diagnostic mammography of 1 breast (77065)27 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%
• Arthritis48%
• Osteoporosis31%
• Diabetes29%
• Anxiety27%

Hospitals where Diane M. Garrigan works

Medicare's Facility Affiliation Data lists Diane M. Garrigan 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.

• Mount Sinai South NassauOceanside, NY · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 330198

Practice locations

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

• 1 Healthy WayOceanside, NY 11572 (516) 632‑4656
• 2020 Wantagh Ave, Mount Sinai Doctors WantaghWantagh, NY 11793 (516) 961‑4545
• 440 Merrick RdOceanside, NY 11572 (516) 632‑4656

Group practices

Medicare enrollment lists Diane M. Garrigan as a member of these groups (CMS data updated October 2, 2026).

• North Shore Medical Group of the Mount Sinai School of Medicine331 clinicians in the group
• Icahn School of Medicine at Mount Sinai20 clinicians in the group

Specialties

• Diagnostic Radiologyprimary

Find other Diagnostic Radiology doctors in New York →

Other radiologists in Oceanside

Clinicians with the same Medicare primary specialty in Oceanside, NY — not a recommendation.

• Sean J. Adwar, MD
• David Li, MD
• David Pfeffer, MD
• Sydney S. Yoon, MD
• Richard S. Steinberg, MD
• Stephen Henesch, MD
• Beatrice Panjwani, DO
• Mindy S. Scheer, MD

All radiologists in Oceanside →

Other clinicians in North Shore Medical Group of the Mount Sinai School of Medicine

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

• Ning Ding, MD
• Harkirat Kaur
• Mathew Birnbaum, MD
• Tanvir Kahlon, MD
• Justin M. Roseman, PA
• Georgios Syros, 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