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Dr. Christopher Clardy

Pediatric Nephrology (Pediatric Nephrology Physician)

5841 S Maryland Ave
Chicago, IL 60637

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

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At a glance

Years since graduation
45
In the NPI registry since
2007

Licensed in Illinois since 1990, 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. NPIs were first issued in May 2005 and became required on claims in 2007–2008, so an early date usually means the clinician was already in practice before then. What an NPI is

Education and training

  • 1981Medical school: University of Virginia School of Medicine
  • 2007Registered with an NPI (national billing number; not a license date) — NPIs began in 2005, so practice likely started earlier

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

  • Pediatric Nephrology Physician primary
    IL license 036079656 (first issued 1990; active)

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

Map: Pediatric Nephrology per capita by county →

Where they work

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.

Payments from drug and device companies

In 2025, 1 companies reported 1 payments worth $175 in total to this clinician.

By type
Consulting Fee$175

What the payments were for

Largest payments other than meals
DateCompanyWhat it was forAmount
Mar 27, 2025Alexion Pharmaceuticals, Inc.
Mar 27, 2025
Consulting Fee
ULTOMIRIS · Rare Disease
$175

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 Pediatric Nephrology clinicians in Chicago

Sources

NPI registry (CMS NPPES, November 2026; record last updated October 24, 2022), 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 1346390382. Official NPI registry record (opens in a new tab). Clinicians can correct their information in NPPES; changes appear here after our next monthly update.