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Anesthesiology

Steven R. Insler, DO

Works at hospitals in Cleveland, OH · Mayfield Heights, OH · Ohio

Summary

Dr. Steven R. Insler, DO is an anesthesiologist at 9500 Euclid Ave, Cleveland, OH 44195. Phone: (216) 444-2200. Accepts Medicare assignment. In 2024, Steven R. Insler had 95 Original Medicare patients and 199 services. NPI 1629031497. 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: 9500 Euclid Ave, Cleveland, OH 44195 · Directions
  • Phone: (216) 444‑2200
  • Medicare: Accepts Medicare assignment
  • Hospitals: Cleveland Clinic, Hillcrest Hospital
  • Group practice: Cleveland Clinic
  • Medical school: New York College Of Osteo Medicine Of New York Institute Of Technology · graduated 1988 (38 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Steven R. Insler, 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 Steven R. Insler accept Medicare assignment?
Yes. Medicare's clinician data says Steven R. Insler 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 Steven R. Insler see?
In 2024, CMS data shows 95 Original Medicare patients and 199 services for Steven R. Insler. This counts Original Medicare only and measures volume, not quality.
What is Steven R. Insler's NPI number?
1629031497. 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 Steven R. Insler, 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 patients95
Services billed to Medicare199
Different services or procedures11
Participating Medicare providerYes
Average age of these patients70

Most frequent services

  1. Critical care, first 30-74 minutes (99291)112 services
  2. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)25 services
  3. Diagnostic exam of lung airway using an endoscope (31622)15 services
  4. External shock to heart to regulate heart beat (92960)13 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%
  • Ischemic heart disease75%
  • Heart failure75%
  • Atrial fibrillation75%
  • Chronic kidney disease60%

Hospitals where Steven R. Insler works

Medicare's Facility Affiliation Data lists Steven R. Insler 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.

  • Cleveland ClinicCleveland, OH · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 360180
  • Hillcrest HospitalMayfield Heights, OH · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: not listed by Medicare · CCN 360230

Practice locations

Addresses where Steven R. Insler is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Steven R. Insler as a member of this group (CMS data updated October 2, 2026).

  • Cleveland Clinic7,090 clinicians in the group

Specialties

Find other Anesthesiology doctors in Ohio →

Other anesthesiologists in Cleveland

Clinicians with the same Medicare primary specialty in Cleveland, OH — not a recommendation.

All anesthesiologists in Cleveland →

Other clinicians in Cleveland Clinic

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

Clinician information

CredentialDO
Medical schoolNew York College Of Osteo Medicine Of New York Institute Of Technology
Graduation year1988 (38 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1629031497
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