Feliks Chechelniker, MD

Medicare activity in 2024

Official CMS public-use data for Feliks Chechelniker, 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. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)1,052 services
2. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)621 services
3. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)543 services
4. Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month (99490)541 services
5. Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)109 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%
• Diabetes75%
• Arthritis75%
• Ischemic heart disease75%
• Alzheimer's disease or dementia66%

Hospitals where Feliks Chechelniker works

Medicare's Facility Affiliation Data lists Feliks Chechelniker 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.

• South Brooklyn HealthBrooklyn, NY · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 330196

Practice locations

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

• 312 Neptune Ave, Suite 1Brooklyn, NY 11235 (718) 934‑7593

Group practices

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

• Feliks Chechelniker Medical Services PC2 clinicians in the group

Specialties

• Internal Medicineprimary
• Emergency Medicinealso

Find other Internal Medicine doctors in New York →

Other internal medicine doctors in Brooklyn

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

• Motisola Lewis, MD
• Jedidiah Burack, MD
• Catherine Gong, MD
• Stephen J. Peterson, MD
• Regina Tarkovsky, MD
• Sankalpa Pokhrel, MD
• Tenzing Chounzom, MD
• Isabella R. Peluso, MD

All internal medicine doctors in Brooklyn →

Other clinicians in Feliks Chechelniker Medical Services PC

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

• Iya Dubson, 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