NPPES file of Aug 9, 2026

Aaron Gish

Anesthesiology Physician · Berwyn, IL

Aaron Gish is an anesthesiology physician with a practice address in Berwyn, Illinois, and NPI 1063971844, issued on Mar 19, 2019. Check the license (Illinois 036164189, 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 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1063971844
Name
Aaron Gish
Primary taxonomy
Anesthesiology Physician 207L00000X
License number
036164189 IL
Self-reported in NPPES; status is on the state search
Practice location
3249 Oak Park Ave, Berwyn, IL 60402
Phone
(708) 783-9100
Enumerated
Mar 19, 2019
Record last updated
Jun 13, 2023
Medicare enrollment
Enrolled (PECOS I20230623002846); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest anesthesiology physician records → All 2,575 in Illinois → Look up another NPI →

Also registered at 3249 Oak Park Ave

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

  1. Gholamali Afshang, MDDiagnostic Radiology Physician1316925522
  2. Sumayyah Ahmed, PA-CPhysician Assistant1851084206
  3. Michelle Akan, CRNACertified Registered Nurse Anesthetist1376808683
  4. Angela Alcarraz Bedrillana, MDInternal Medicine Physician1033813720
  5. Haris Aleem, MDHospitalist Physician1063409795
  6. John Alexis, M.D.Emergency Medicine Physician1689608713

Verify Aaron Gish 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 036164189    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.

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Bills Medicare through one group practice

  1. Gottlieb Community Health Services CorporationBerwyn, IL

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Aaron Gish among 2,575 anesthesiology physician records in Illinois

Aaron Gish is one of 2,575 anesthesiology physician records with a practice address in Illinois. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 78% of them.

  • NPI issued2019 · 78% of these records are older, 19% newer
  • In a Medicare fileYes · 71% of these records are
  • In the CMS Doctors and Clinicians fileYes · 62% of these records are
  • Graduated2019 · median 2006 among the 1,608 with a school on file
  • Record last updated2023 · 48% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207L00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

21 anesthesiology physician records list a practice address in Berwyn

They are 21 of the 1,031 NPPES records with a practice address in Berwyn, and 2,575 anesthesiology physician records in Illinois.

All 2,575 in Illinois → Every provider in Berwyn → Anesthesiology Physician nationwide →

The 8 anesthesiology physician records with the nearest ZIP codes

  1. Ossama Abdellatif, MDBerwyn, IL 604021760436786
  2. Joseph Alioto, M.D.Berwyn, IL 604021164685525
  3. Mauree Beard, M.D.Berwyn, IL 604021073831590
  4. Alexander Delos Reyes, M.D.Berwyn, IL 604021841449394
  5. Marta Herda, MDBerwyn, IL 604021376642397
  6. Thomas Neff, MDBerwyn, IL 604021679504898
  7. Randall Ostroff, MDBerwyn, IL 604021366523219
  8. Bharti Raizada, M.D,Berwyn, IL 604021033426705

Common questions

What is Aaron Gish's NPI number?

Aaron Gish's National Provider Identifier (NPI) is 1063971844, issued on Mar 19, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Aaron Gish located?

The NPPES record lists a practice address at 3249 Oak Park Ave, Berwyn, IL, 60402. Phone: (708) 783-9100. Providers update this record themselves, so call before visiting.

How can I verify Aaron Gish's license?

NPPES lists Illinois license number 036164189, 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.