Gerin R. Stevens, MD

Medicare activity in 2024

Official CMS public-use data for Gerin R. Stevens, 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. Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)96 services
2. Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)93 services
3. Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (93000)69 services
4. Exercise or drug-induced heart stress test with electrocardiogram (ecg) with review by physician (93018)24 services
5. Test to measure largest amount of air breathed in an out (94200)24 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%
• Ischemic heart disease75%
• Heart failure75%
• Atrial fibrillation61%
• Chronic kidney disease51%

Hospitals where Gerin R. Stevens works

Medicare's Facility Affiliation Data lists Gerin R. Stevens 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.

• Lenox Hill HospitalNew York, NY · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 330119

Practice locations

Addresses where Gerin R. Stevens is enrolled with Medicare (CMS data updated October 2, 2026).

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

Group practices

Medicare enrollment lists Gerin R. Stevens as a member of this group (CMS data updated October 2, 2026).

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

Specialties

• Cardiovascular Disease (Cardiology)primary
• Internal Medicinealso

Find other Cardiovascular Disease (Cardiology) doctors in New York →

Other cardiologists in Manhasset

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

• Nan Ning S. Chang, MD
• Stuart O. Schecter, MD
• Michael Goyfman, MD
• Aaron Freilich, MD
• Elana Koss, MD
• Adam Auerbach, MD
• Priatharsini Sriganesh
• Anna Plitt, MD

All cardiologists in Manhasset →

Other clinicians in North Shore-Lij Medical PC

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

• Renu Hausen, MD
• John Della Chiesa, PA
• Kaitlin Macdowell, NP
• Mohammed Hamad, MD
• Giovanni Bonomo, MD
• Mary K. Conlon, 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