Jeremy Asnis, MD

Medicare activity in 2024

Official CMS public-use data for Jeremy Asnis, 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. Anesthesia for procedure for total knee joint replacement (01402)36 services
2. Anesthesia for total hip replacement (01214)26 services
3. Anesthesia for injection, drainage or aspiration procedures on spine or spinal cord of lower back accessed through skin using imaging guidance (01938)26 services
4. Anesthesia for procedure on upper 2/3rd of thigh bone (01230)16 services
5. Injection of anesthetic agent and/or steroid into arm nerve bundle (brachial plexus) (64415)16 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%
• Arthritis75%
• Diabetes37%
• Ischemic heart disease36%
• Depression31%

Hospitals where Jeremy Asnis works

Medicare's Facility Affiliation Data lists Jeremy Asnis 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.

• North Shore University HospitalManhasset, NY · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 330106

Practice locations

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

• 1 Heroes WayRiverhead, NY 11901 (631) 548‑6000

Group practices

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

• North Shore - Lij Anesthesiology, PC1,003 clinicians in the group

Specialties

• Anesthesiologyprimary

Find other Anesthesiology doctors in New York →

Other anesthesiologists in Riverhead

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

• Shelly Groenendyk, MD
• Michael Xu, MD
• Anthony G. Maratea, MD
• Tory Cange, MD
• Thandiwe V. Nyirenda, MD
• Satya Makadia, MD
• Juan Mauri, MD
• Sandre Cheng, MD

All anesthesiologists in Riverhead →

Other clinicians in North Shore - Lij Anesthesiology, PC

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

• Eric M. Diana, MD
• Sandy Bartolotta, DO
• Alesia K. Vazquez, CNA
• Erin Woerner, CNA
• Matthew V. Tribble, DO
• Adam J. Canter, 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