Jason L. Peng, MD
Sleep Medicine (Internal Medicine) Physician · Chicago, IL
Jason L. Peng, MD is a sleep medicine (internal medicine) physician with a practice address in Chicago, Illinois, and NPI 1124481270, issued on Apr 5, 2016. Check the license (Illinois 036149345, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Jason L. Peng
- Credential
- MD
- Primary taxonomy
- Sleep Medicine (Internal Medicine) Physician 207RS0012X
- License number
- 036149345 IL
Self-reported in NPPES; status is on the state search - Practice location
- 676 N Saint Clair St Ste 7-701, Chicago, IL 60611
- Phone
- (312) 695-7950
- Enumerated
- Apr 5, 2016
- Record last updated
- Jun 4, 2025
- Fax
- (312) 926-4771
- Medicare enrollment
- Enrolled (PECOS I20190626002742); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 676 N Saint Clair St Ste 7-701
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sabra Abbott, MD, PHDSleep Medicine (Psychiatry & Neurology) Physician1043479405
- Alexander Choi, M.D., M.P.H.Sleep Medicine (Psychiatry & Neurology) Physician1013440221
- Katlyn KappelPhysician Assistant1770103442
- Paige Knippenberg, PA-CPhysician Assistant1518494731
- Jennifer Mundt, PHDClinical Psychologist1205333945
- Eunice Torres Rivera, MDSleep Medicine (Psychiatry & Neurology) Physician1811341340
Verify Jason L. Peng in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
Search for license 036149345Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
93% fewer Medicare Part D claims than the average sleep medicine (internal medicine) physician in 2024
41 Medicare Part D claims for 24 beneficiaries, against an average of 585 among the 852 providers of this specialty who prescribed in Part D.
Most prescribed
- Azelastine Hcl19 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.
Industry payments in 2024: $211.40
4 payments; by number, the most common kind was food and beverage; the largest payer was Boehringer Ingelheim Pharmaceuticals, Inc. The 664 providers of this specialty with any payment received $3,724.37 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Northwestern Medical Faculty FoundationChicago, 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
- Jehad Abdalla, MDChicago, IL1053898684
- Ammar Ahmed, MDChicago, IL1821619388
- Robert Aronson, M.D.Olympia Fields, IL1598824039
- Noman Baig, MDSchaumburg, IL1669053864
- Simar ChawlaChicago, IL1619554318
- Upneet Chawla, M.D.Chicago, IL1659802486
- Paul Chung, DOChicago, IL1588084776
- John Coleman, M.D.Chicago, IL1396900791
- Jessica Cooksey, MDGrayslake, IL1205089166
- Richard CzumaPalos Heights, IL1295232064
Common questions
What is Jason L. Peng, MD's NPI number?
Jason L. Peng, MD's National Provider Identifier (NPI) is 1124481270, issued on Apr 5, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Jason L. Peng, MD located?
The NPPES record lists a practice address at 676 N Saint Clair St Ste 7-701, Chicago, IL, 60611. Phone: (312) 695-7950. Providers update this record themselves, so call before visiting.
How can I verify Jason L. Peng, MD's license?
NPPES lists Illinois license number 036149345, 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 Jason L. Peng, MD prescribe under Medicare Part D?
In 2024, Jason L. Peng, MD had 41 Medicare Part D claims for 24 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.