NPPES file of Aug 9, 2026

Simar Singh Chawla

Sleep Medicine (Internal Medicine) Physician · Chicago, IL

Simar Singh Chawla is a sleep medicine (internal medicine) physician with a practice address in Chicago, Illinois, and NPI 1619554318, issued on Mar 27, 2021. Check the license (Illinois 036.170458, 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
1619554318
Name
Simar Singh Chawla
Primary taxonomy
Sleep Medicine (Internal Medicine) Physician 207RS0012X
License number
036.170458 IL
Self-reported in NPPES; status is on the state search
Practice location
2242 W Harrison St Ste 104, Chicago, IL 60612
Phone
(877) 766-6984
Enumerated
Mar 27, 2021
Record last updated
Jun 24, 2025
Medicare enrollment
Enrolled (PECOS I20250813001405); accepts Medicare assignment
Medical or professional school
Drexel University College Of Medicine, 2021
Telehealth
Offers telehealth (CMS)
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.
Download card Updates feed

Also registered at 2242 W Harrison St Ste 104

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

  1. Ashesha Mechineni, MD, FACPSleep Medicine (Internal Medicine) Physician1659784817

Verify Simar Singh Chawla 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 036.170458
    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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

69% fewer Medicare Part D claims than the average sleep medicine (internal medicine) physician in 2024

181 Medicare Part D claims for 35 beneficiaries, against an average of 585 among the 852 providers of this specialty who prescribed in Part D. Brand-name drugs were 25% of claims.

  1. Simar Chawla181
  2. Specialty average585

Most prescribed

  1. Atorvastatin Calcium17 claims
  2. Metoprolol Succinate13 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Bills Medicare through one group practice

  1. The Board OF Trustees OF The University OF IllinoisChicago, IL

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

Sleep Medicine (Internal Medicine) Physician providers in Illinois

There are 43 sleep medicine (internal medicine) physician records in Illinois.

Other sleep medicine (internal medicine) physician records in Illinois

  1. Jehad Abdalla, MDChicago, IL1053898684
  2. Ammar Ahmed, MDChicago, IL1821619388
  3. Robert Aronson, M.D.Olympia Fields, IL1598824039
  4. Noman Baig, MDSchaumburg, IL1669053864
  5. Upneet Chawla, M.D.Chicago, IL1659802486
  6. Paul Chung, DOChicago, IL1588084776
  7. John Coleman, M.D.Chicago, IL1396900791
  8. Jessica Cooksey, MDGrayslake, IL1205089166
  9. Richard CzumaPalos Heights, IL1295232064
  10. Nneoma Eneh, M.D.Chicago, IL1760129720

Common questions

What is Simar Singh Chawla's NPI number?

Simar Singh Chawla's National Provider Identifier (NPI) is 1619554318, issued on Mar 27, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Simar Singh Chawla located?

The NPPES record lists a practice address at 2242 W Harrison St Ste 104, Chicago, IL, 60612. Phone: (877) 766-6984. Providers update this record themselves, so call before visiting.

How can I verify Simar Singh Chawla's license?

NPPES lists Illinois license number 036.170458, 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.

How much does Simar Singh Chawla prescribe under Medicare Part D?

In 2024, Simar Singh Chawla had 181 Medicare Part D claims for 35 beneficiaries; the average among sleep medicine (internal medicine) physician prescribers was 585. Part D covers Medicare prescriptions only.

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.