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Dr. Michael Alexander, M.D.

Pulmonology (Pulmonary Disease Physician)

675 N Saint Clair St Ste 18-250
Chicago, IL 60611

Who else practices at this address →

Cook County includes primary care (3% of residents) and mental health (4% of residents) shortage areas. About shortage areas

Call (312) 695-1800

  • Medicare participating

At a glance

Years since graduation
12
In the NPI registry since
2014
Medicare patients seen, 2024
630

Licensed in Illinois since 2017, according to the Illinois Department of Financial and Professional Regulation. We show license dates only for the states that publish them in bulk; see which states do. For other states, check the state medical board.

The NPI date is when this clinician registered for a National Provider Identifier, the billing number used on health claims. It is not a license, graduation or board-certification date. What an NPI is

Education and training

  • 2014Medical school: University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb)
  • 2014Registered with an NPI (national billing number; not a license date)

Undergraduate school, residency, fellowship, licensing exams and board certification aren’t in public federal data. Board certification can be confirmed with the certifying board (ABMS member boards for MDs, AOA boards for DOs).

Specialties and state licenses

  • Pulmonary Disease Physician primary
    IL license 036.142808 (first issued 2017; active)

As reported to the NPI registry. To confirm a license is current, check the state medical board.

Map: Pulmonology per capita by county →

Where they work

Hospitals

Medical groups

Hospitals this clinician lists with Medicare, and groups they bill Medicare through (Care Compare). Affiliation doesn’t mean they see patients at every location.

Medicare patients and services

Medicare patients, 2024
630
Services billed
1,941
Patients’ average age
77
Most frequent Medicare services, 2023
ServiceTimesPatients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes335161
Critical care, first 30-74 minutes18086
Established patient office or other outpatient visit, 30-39 minutes177137
Test to determine lung volumes using sensors114113
Test to examine how well the lungs exchange gases114113
Established patient office or other outpatient visit, 40-54 minutes11389
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes9086
Test to measure expiratory airflow and volume changes before and after medication administration8585
Test for exercise-induced lung stress7866
New patient office or other outpatient visit, 45-59 minutes6767

Medicare fee-for-service only. CMS leaves out services billed for fewer than 11 patients. These figures describe a practice’s Medicare work; they aren’t a measure of quality.

Medicare prescriptions

Prescriptions filled under Medicare Part D, including refills. CMS leaves out drugs prescribed fewer than 11 times.

Payments from drug and device companies

In 2025, 11 companies reported 24 payments worth $5,056 in total to this clinician.

What the payments were for

Largest payments other than meals
DateCompanyWhat it was forAmount
Dec 3, 2025Intuitive Surgical, Inc.
Dec 3, 2025
Education
Da Vinci Surgical System · SURGERY · in-kind
$2,500
Dec 11, 2025Intuitive Surgical, Inc.
Dec 11, 2025
Education
Da Vinci Surgical System · SURGERY · in-kind
$1,500

Each payment as the company reported it, with the products it named. Meals are counted in the totals above but not listed one by one.

From CMS Open Payments. A payment is not evidence of wrongdoing; many are for consulting, teaching or meals. Clinicians can review and dispute their records with CMS.

Who received the most in Illinois →

Other Pulmonology clinicians in Chicago

Sources

NPI registry (CMS NPPES, November 2026; record last updated August 6, 2020), Medicare Care Compare, Medicare Physician & Other Practitioners (2024), Medicare Part D Prescribers (2024) and Open Payments (2025). Information is self-reported or billed data and may be out of date; call before visiting.

NPI 1356768253. Official NPI registry record (opens in a new tab). Clinicians can correct their information in NPPES; changes appear here after our next monthly update.