Giacinto Grieco, MD

Medicare activity in 2024

Official CMS public-use data for Giacinto Grieco, 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. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)58 services
2. Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)37 services
3. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)32 services
4. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)25 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%
• Stroke or mini-stroke71%
• Arthritis68%
• Alzheimer's disease or dementia58%
• Diabetes57%

Hospitals where Giacinto Grieco works

Medicare's Facility Affiliation Data lists Giacinto Grieco 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.

• Long Island Jewish Medical CenterNew Hyde Park, NY · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 330195

Practice locations

Addresses where Giacinto Grieco is enrolled with Medicare (CMS data updated October 2, 2026).

• 300 Community DrManhasset, NY 11030 (516) 562‑3058

Group practices

Medicare enrollment lists Giacinto Grieco as a member of this group (CMS data updated October 2, 2026).

• North Shore-Lij Medical PC6,440 clinicians in the group

Specialties

• Neurologyprimary

Find other Neurology doctors in New York →

Other neurologists in Manhasset

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

• Jeffery M. Katz, MD
• Bibhuti B. Mishra, MD
• Itamar Niesvizky, MD
• Surya M. Vishnubhakat, MD
• Laurence D. Haber, MD
• Tina Narayan, MD
• Martin H. Niethammer, MD
• Joseph A. Diamond, MD

All neurologists in Manhasset →

Other clinicians in North Shore-Lij Medical PC

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

• Laurent Logan, MD
• Eugenia Gianos, MD
• Joaquin Beasca, PA
• Asad Aziz
• Philip Wong, MD
• Lawrence Katz, 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