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Anesthesiology

Aleksey Seleznev, MD

Works at hospitals in Derby, CT · Bridgeport, CT · Connecticut

Summary

Dr. Aleksey Seleznev, MD is an anesthesiologist at 130 Division St, Derby, CT 06418. Phone: (203) 732-1510. Accepts Medicare assignment. In 2024, Aleksey Seleznev had 73 Original Medicare patients and 90 services. NPI 1487281051. 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: Anesthesiologist (Medicare lists Anesthesiology)
  • Address: 130 Division St, Derby, CT 06418 · Directions (2 more locations)
  • Phone: (203) 732‑1510
  • Medicare: Accepts Medicare assignment
  • Hospitals: Griffin Hospital, St Vincent's Medical Center
  • Group practice: Integrated Anesthesia Associates LLC
  • Medical school: graduated 2020 (6 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Aleksey Seleznev, 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 Aleksey Seleznev accept Medicare assignment?
Yes. Medicare's clinician data says Aleksey Seleznev 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 Aleksey Seleznev see?
In 2024, CMS data shows 73 Original Medicare patients and 90 services for Aleksey Seleznev. This counts Original Medicare only and measures volume, not quality.
What is Aleksey Seleznev's NPI number?
1487281051. 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 Aleksey Seleznev, 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 Medicare90
Different services or procedures42
Participating Medicare providerYes
Average age of these patients75

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%
  • Arthritis55%
  • Diabetes37%
  • Ischemic heart disease37%
  • Atrial fibrillation34%

Hospitals where Aleksey Seleznev works

Medicare's Facility Affiliation Data lists Aleksey Seleznev 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
  • St Vincent's Medical CenterBridgeport, CT · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 070028

Practice locations

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

Group practices

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

  • Integrated Anesthesia Associates LLC409 clinicians in the group

Specialties

Find other Anesthesiology doctors in Connecticut →

Other anesthesiologists in Derby

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

All anesthesiologists in Derby →

Other clinicians in Integrated Anesthesia Associates LLC

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

Clinician information

CredentialMD
Graduation year2020 (6 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1487281051
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