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Abigail Theresia Lang, M.D.

NPI 1609238575ActiveIndividual· Pediatrics, Pediatric Allergy/Immunology· Chicago, IL

Pediatrics, Pediatric Allergy/Immunology (M.D.) in Chicago, Illinois, licensed in IL, with an NPI issued in March 2016. Enrolled in Medicare as order and referring only - pediatric medicine. Greer Laboratories, Inc. was the largest of 4 companies reporting payments in 2025, $2,021 in all, mostly consulting fees.

Overview

NPI1609238575
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorNo
NPI issuedMar 22, 2016
Last updated in NPPESNov 11, 2025
Certified by providerNov 11, 2025

Specialties and licenses

TaxonomyCodeLicenseState
Pediatrics, Pediatric Allergy/Immunology Primary2080P0201X036.148448IL
Pediatrics208000000X125.068739IL

About license numbers in NPPES

Exclusion screening

ListResultDetails
HHS-OIG LEIE · Oct 9, 2026No matchChecked by NPI and by name + state
North Carolina Medicaid · Nov 10, 2026No match—
New York OMIG · Nov 10, 2026No match—
Ohio Medicaid · Nov 10, 2026No match—
Pennsylvania Medicheck · Nov 10, 2026No match—
Washington HCA · Nov 10, 2026No match—

Official OIG search · How matching works ·Bulk check a roster

Medicare

Enrollment (PECOS)Enrolled Order and Referring Only - Pediatric Medicine (IL)

Medicare sources and data years

Industry payments (Open Payments)

  • 2025$2,021 · 4 payments from 4 companies
  • 2024$175.00 · 1 payment from 1 company

Top paying companies in 2025

What the 2025 payments were for

  • Consulting Fee$1,800 · 1 payment
  • Food and Beverage$220.73 · 3 payments

Receiving payments does not imply wrongdoing. What Open Payments covers ·original records

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