Yefim Sosonkin, MD

Medicare activity in 2024

Official CMS public-use data for Yefim Sosonkin, 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. Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes (99349)397 services
2. Telephone medical discussion with physician, 11-20 minutes (99442)91 services
3. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)79 services
4. Insertion of needle into vein for collection of blood sample (36415)62 services
5. Injection of drug or substance under skin or into muscle (96372)54 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%
• Arthritis52%
• Diabetes50%
• Alzheimer's disease or dementia46%
• Ischemic heart disease45%

Hospitals where Yefim Sosonkin works

Medicare's Facility Affiliation Data lists Yefim Sosonkin 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.

• Staten Island University HospitalStaten Island, NY · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 330160

Practice locations

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

• 2348 Richmond RdStaten Island, NY 10306 (718) 979‑8400

Group practices

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

• N.Z.S. Medical PC2 clinicians in the group

Specialties

• Internal Medicineprimary

Find other Internal Medicine doctors in New York →

Other internal medicine doctors in Staten Island

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

• Javier N. Chacon, MD
• Billy N. Geris, MD
• Paolo G. Perrone, MD
• Eric Choi
• Mario Castellanos, MD
• Miguel A. Tirado, MD
• Bartholomew F. Savino, MD
• Theodore Strange, MD

All internal medicine doctors in Staten Island →

Other clinicians in N.Z.S. Medical PC

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

• Nataliya Zelman Sosonkin, 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