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Cardiovascular Disease (Cardiology)

Alana A. Lewis, MD

Works at hospitals in Winfield, IL · Geneva, IL · Dekalb, IL … · Illinois

Summary

Dr. Alana A. Lewis, MD is a cardiologist at 1135 S Delano Ct E, Chicago, IL 60605. Phone: (630) 933-1500. Accepts Medicare assignment. In 2024, Alana A. Lewis had 713 Original Medicare patients and 1,413 services. NPI 1679816599. 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.

From official Medicare data

This page shows what Medicare's official clinician data says about Alana A. Lewis, 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 Alana A. Lewis accept Medicare assignment?
Yes. Medicare's clinician data says Alana A. Lewis 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 Alana A. Lewis see?
In 2024, CMS data shows 713 Original Medicare patients and 1,413 services for Alana A. Lewis. This counts Original Medicare only and measures volume, not quality.
What is Alana A. Lewis's NPI number?
1679816599. 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 Alana A. Lewis, 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 patients713
Services billed to Medicare1,413
Different services or procedures32
Participating Medicare providerYes
Average age of these patients75

Most frequent services

  1. Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (93306)424 services
  2. Heart muscle strain imaging (93356)203 services
  3. Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)122 services
  4. Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)119 services
  5. 3d radiographic procedure (76376)78 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 disease65%
  • Arthritis51%
  • Heart failure51%
  • Chronic kidney disease43%

Hospitals where Alana A. Lewis works

Medicare's Facility Affiliation Data lists Alana A. Lewis 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.

Practice locations

Addresses where Alana A. Lewis is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 23; the Medicare profile lists all.

Group practices

Medicare enrollment lists Alana A. Lewis as a member of this group (CMS data updated October 2, 2026).

  • Northwestern Medical Faculty Foundation4,503 clinicians in the group

Specialties

Find other Cardiovascular Disease (Cardiology) doctors in Illinois →

Other cardiologists in Chicago

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

All cardiologists in Chicago →

Other clinicians in Northwestern Medical Faculty Foundation

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

Clinician information

CredentialMD
Medical schoolVanderbilt University School Of Medicine
Graduation year2013 (13 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1679816599
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