Registry data as of Aug 27, 2026

Deborah Loeff

Pediatric Surgery Physician · Chicago, IL

Deborah Loeff is a pediatric surgery physician with a practice address in Chicago, Illinois, and NPI 1770525149, issued on Jun 12, 2006. Check the license (Illinois 036075438, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, loaded Aug 27, 2026 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1770525149
Name
Deborah Loeff
Primary taxonomy
Pediatric Surgery Physician 2086S0120X
License number
036075438 IL
Self-reported in NPPES; status is on the state search
Practice location
5841 S Maryland Ave, Chicago, IL 60637
Phone
(888) 824-0200
Enumerated
Jun 12, 2006
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 5841 S Maryland Ave

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

  1. Ma. Theresa Abaring, CRNACertified Registered Nurse Anesthetist1962647586
  2. Rouzbeh AbbasgholizadehRetina Specialist (Ophthalmology) Physician1881510030
  3. Jehad Abdalla, MDSleep Medicine (Internal Medicine) Physician1053898684
  4. Sara Abdelaziz, MDInternal Medicine Physician1598258089
  5. Noor Abdelrahman, PA-CPhysician Assistant1851012413
  6. Unknown Abdul Hanan, MDBlood Banking & Transfusion Medicine Physician1750022240

Verify Deborah Loeff 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 036075438
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Pediatric Surgery Physician providers in Illinois

There are 50 pediatric surgery physician records in Illinois. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other pediatric surgery physician records in Illinois

  1. Mohammed Ageel, M.D.Springfield, IL1932441623
  2. Amir Alhajjat, M.B.B.SChicago, IL1841578457
  3. Guillermo Ares Maisonet, MDMaywood, IL1942542105
  4. Marielena Bachier-Rodriguez, MDChicago, IL1376839969
  5. Erik Barthel, MDChicago, IL1417141904
  6. Angel Bassuk, MDSkokie, IL1407089923
  7. Alejandra Casar Berazaluce, MD, MSCChicago, IL1518329077
  8. Antonio Chaviano, MDChicago, IL1467448472
  9. Jennifer Defazio, M.D.Chicago, IL1235441429
  10. Kathleen Dominguez, M.D.Urbana, IL1285764886

Common questions

What is Deborah Loeff's NPI number?

Deborah Loeff's National Provider Identifier (NPI) is 1770525149, issued on Jun 12, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Deborah Loeff located?

The NPPES record lists a practice address at 5841 S Maryland Ave, Chicago, IL, 60637. Phone: (888) 824-0200. Providers update this record themselves, so call before visiting.

How can I verify Deborah Loeff's license?

NPPES lists Illinois license number 036075438, 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), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.