Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

General Surgery

Ihor Ponomarenko, MD

Works at hospitals in Derby, CT · Connecticut

Summary

Dr. Ihor Ponomarenko, MD is a general surgeon at 130 Division St, Derby, CT 06418. Accepts Medicare assignment. In 2024, Ihor Ponomarenko had 73 Original Medicare patients and 150 services. NPI 1568491181. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: General surgeon (Medicare lists General Surgery)
  • Address: 130 Division St, Derby, CT 06418 · Directions (1 more location)
  • Medicare: Accepts Medicare assignment
  • Hospital: Griffin Hospital
  • Group practice: Griffin Faculty Physicians Inc
  • Medical school: Jefferson Medical College Of Thomas Jefferson University · graduated 1993 (33 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Ihor Ponomarenko, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Ihor Ponomarenko accept Medicare assignment?
Yes. Medicare's clinician data says Ihor Ponomarenko accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Ihor Ponomarenko see?
In 2024, CMS data shows 73 Original Medicare patients and 150 services for Ihor Ponomarenko. This counts Original Medicare only and measures volume, not quality.
What is Ihor Ponomarenko's NPI number?
1568491181. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Ihor Ponomarenko, 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.

Original Medicare patients73
Services billed to Medicare150
Different services or procedures33
Participating Medicare providerYes
Average age of these patients72

Most frequent services

  1. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)32 services
  2. Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)28 services
  3. New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)20 services
  4. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)15 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%
  • Arthritis44%
  • Diabetes38%
  • Ischemic heart disease36%
  • Anxiety36%

Hospitals where Ihor Ponomarenko works

Medicare's Facility Affiliation Data lists Ihor Ponomarenko 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.

  • Griffin HospitalDerby, CT · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 070031

Practice locations

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

  • 130 Division StDerby, CT 06418
  • 350 Seymour AveDerby, CT 06418

Group practices

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

  • Griffin Faculty Physicians Inc134 clinicians in the group

Specialties

Find other General Surgery doctors in Connecticut →

Other general surgeons in Derby

Clinicians with the same Medicare primary specialty in Derby, CT — not a recommendation.

All general surgeons in Derby →

Other clinicians in Griffin Faculty Physicians Inc

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

Clinician information

CredentialMD
Medical schoolJefferson Medical College Of Thomas Jefferson University
Graduation year1993 (33 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1568491181
CorrectionsReport an error or suggest an update →

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