NPPES file of Aug 9, 2026

Abigail Theresia Lang, M.D.

Pediatric Allergy/Immunology Physician · Chicago, IL

Abigail Theresia Lang, M.D. is a pediatric allergy/immunology physician with a practice address in Chicago, Illinois, and NPI 1609238575, issued on Mar 22, 2016. Check the license (Illinois 036.148448, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1609238575
Name
Abigail Theresia Lang
Credential
M.D.
Primary taxonomy
Pediatric Allergy/Immunology Physician 2080P0201X
License numbers
036.148448 IL
125.068739 IL
Self-reported in NPPES; status is on the state search
Practice location
225 E Chicago Ave # 60, Chicago, IL 60611
Phone
(312) 227-6010
Enumerated
Mar 22, 2016
Record last updated
Nov 11, 2025
Fax
(312) 227-9401
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 225 E Chicago Ave # 60

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Linda Federer, NPFamily Nurse Practitioner1881018927
  2. Anna Fishbein, MD, MSCPediatrics Physician1417113069
  3. Michael Sherenian, M.D.Pediatric Allergy/Immunology Physician1821358029

Verify Abigail Theresia Lang in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
    Search for license 036.148448
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Illinois license search

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Industry payments in 2024: $175.00

1 payment: honoraria; the largest payer was Aimmune Therapeutics, Inc. The 289 providers of this specialty with any payment received $7,101.54 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Abigail Lang$175.00
  2. Specialty average$7,101.54

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Pediatric Allergy/Immunology Physician providers in Illinois

There are 24 pediatric allergy/immunology physician records in Illinois.

Other pediatric allergy/immunology physician records in Illinois

  1. Sompongse Angspatt, M.D.Oak Forest, IL1174634927
  2. Ameeta Bamzai, MDNaperville, IL1871544932
  3. Brittany BindonChicago, IL1811346398
  4. Arleta Dedianous, APRNPeoria, IL1912787813
  5. Megan Elios, M.D.Chicago, IL1043690282
  6. Ramsay Fuleihan, MDChicago, IL1558344788
  7. Annick Gaye, MDMaywood, IL1750355087
  8. Steve Handoyo, MDChicago, IL1033296801
  9. Fatima Khan, MDChicago, IL1235157637
  10. Rajesh Kumar, MDChicago, IL1952361909

Common questions

What is Abigail Theresia Lang, M.D.'s NPI number?

Abigail Theresia Lang, M.D.'s National Provider Identifier (NPI) is 1609238575, issued on Mar 22, 2016. An NPI identifies a provider in billing; it is not a license.

Where is Abigail Theresia Lang, M.D. located?

The NPPES record lists a practice address at 225 E Chicago Ave # 60, Chicago, IL, 60611. Phone: (312) 227-6010. Providers update this record themselves, so call before visiting.

How can I verify Abigail Theresia Lang, M.D.'s license?

NPPES lists Illinois license number 036.148448, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.