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Dr. Abigail T. Lang, M.D.

Pediatrics (Pediatric Allergy/Immunology Physician)

225 E Chicago Ave # 60
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) 227-6010

At a glance

In the NPI registry since
2016

Licensed in Illinois since 2019, 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

  • 2016Registered with an NPI (national billing number; not a license date)

Medicare’s Care Compare data doesn’t list this clinician’s medical school. 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 Allergy/Immunology Physician primary
    IL license 036.148448 (first issued 2019; active)
  • Pediatrics Physician
    IL license 125.068739

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

Map: Pediatrics per capita by county →

Payments from drug and device companies

In 2025, 4 companies reported 4 payments worth $2,021 in total to this clinician.

By company
Greer Laboratories, Inc.$1,800
Blueprint Medicines Corporation$114
Alk-abello, Inc$54.85
Pharming Healthcare, Inc.$51.51
By type
Consulting Fee$1,800
Food and Beverage$221

What the payments were for

Largest payments other than meals
DateCompanyWhat it was forAmount
Oct 20, 2025Greer Laboratories, Inc.
Oct 20, 2025
Consulting Fee
Palforzia · Allergy Treatment
$1,800

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 Pediatrics clinicians in Chicago

Sources

NPI registry (CMS NPPES, November 2026; record last updated November 11, 2025), 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 1609238575. Official NPI registry record (opens in a new tab). Clinicians can correct their information in NPPES; changes appear here after our next monthly update.