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

Allergy/Immunology

Elena K. Koles, MD

Sees patients in Northbrook, IL · Skokie, IL · Illinois

Summary

Dr. Elena K. Koles, MD is an allergist and immunologist at 3330 Dundee Rd, Suite N5, Northbrook, IL 60062. Phone: (847) 291-0900. Accepts Medicare assignment. In 2024, Elena K. Koles had 57 Original Medicare patients and 1,321 services. NPI 1902984149. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Allergist and immunologist (Medicare lists Allergy/Immunology)
  • Address: 3330 Dundee Rd, Suite N5, Northbrook, IL 60062 · Directions (1 more location)
  • Phone: (847) 291‑0900
  • Medicare: Accepts Medicare assignment
  • Medical school: graduated 1972 (54 years since medical school)
  • Gender (as listed): Female
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about Elena K. Koles, 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 Elena K. Koles accept Medicare assignment?
Yes. Medicare's clinician data says Elena K. Koles 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 Elena K. Koles see?
In 2024, CMS data shows 57 Original Medicare patients and 1,321 services for Elena K. Koles. This counts Original Medicare only and measures volume, not quality.
What is Elena K. Koles's NPI number?
1902984149. 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 Elena K. Koles, 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 patients57
Services billed to Medicare1,321
Different services or procedures15
Participating Medicare providerYes
Average age of these patients75

Most frequent services

  1. Therapy procedure using manual technique, each 15 minutes (97140)569 services
  2. Therapy procedure to re-educate brain-to-nerve-to-muscle function, each 15 minutes (97112)285 services
  3. Therapy procedure using exercise to develop strength, endurance, range of motion, and flexibility, each 15 minutes (97110)184 services
  4. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)59 services
  5. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)48 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 cholesterol75%
  • High blood pressure70%
  • Diabetes56%
  • Arthritis56%
  • Depression35%
  • Anxiety32%

Practice locations

Addresses where Elena K. Koles is enrolled with Medicare (CMS data updated October 2, 2026).

Specialties

Find other Allergy/Immunology doctors in Illinois →

Other allergist and immunologists in Illinois

Clinicians with the same Medicare primary specialty in Illinois — not a recommendation.

All allergist and immunologists in Illinois →

Clinician information

CredentialMD
Graduation year1972 (54 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1902984149
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. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  2. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians