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Anesthesiology

Alexander N. Chaikin, MD

Works at hospitals in Pontiac, IL · Bloomington, IL · Illinois

Summary

Dr. Alexander N. Chaikin, MD is an anesthesiologist at 2200 E Washington St, Bloomington, IL 61701. Phone: (309) 662-3311. Accepts Medicare assignment. In 2024, Alexander N. Chaikin had 271 Original Medicare patients and 352 services. NPI 1154331874. 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: 2200 E Washington St, Bloomington, IL 61701 · Directions
  • Phone: (309) 662‑3311
  • Medicare: Accepts Medicare assignment
  • Hospitals: Saint James Hospital, St Joseph Medical Center
  • Group practice: North American Partners in Anesthesia Illinois LLC
  • Medical school: graduated 1987 (39 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Alexander N. Chaikin, 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 Alexander N. Chaikin accept Medicare assignment?
Yes. Medicare's clinician data says Alexander N. Chaikin 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 Alexander N. Chaikin see?
In 2024, CMS data shows 271 Original Medicare patients and 352 services for Alexander N. Chaikin. This counts Original Medicare only and measures volume, not quality.
What is Alexander N. Chaikin's NPI number?
1154331874. 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 Alexander N. Chaikin, 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 patients271
Services billed to Medicare352
Different services or procedures64
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. Anesthesia for procedure for total knee joint replacement (01402)29 services
  2. Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (00731)27 services
  3. Insertion of artery tube for blood sampling or infusion through skin (36620)24 services
  4. Anesthesia for other procedure on upper abdomen (00790)21 services
  5. Anesthesia for other procedure on lower leg, ankle, and foot bones (01480)20 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%
  • Arthritis60%
  • Diabetes37%
  • Atrial fibrillation37%
  • Ischemic heart disease36%

Hospitals where Alexander N. Chaikin works

Medicare's Facility Affiliation Data lists Alexander N. Chaikin 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.

  • Saint James HospitalPontiac, IL · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: not listed by Medicare · CCN 140161
  • St Joseph Medical CenterBloomington, IL · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 140162

Practice locations

Addresses where Alexander N. Chaikin is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Alexander N. Chaikin as a member of this group (CMS data updated October 2, 2026).

  • North American Partners in Anesthesia Illinois LLC431 clinicians in the group

Specialties

Find other Anesthesiology doctors in Illinois →

Other anesthesiologists in Bloomington

Clinicians with the same Medicare primary specialty in Bloomington, IL — not a recommendation.

All anesthesiologists in Bloomington →

Other clinicians in North American Partners in Anesthesia Illinois LLC

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

Clinician information

CredentialMD
Graduation year1987 (39 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1154331874
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