Leslie Yang, M.D.
Gastroenterology Physician · Evanston, IL
Leslie Yang, M.D. is a gastroenterology physician with a practice address in Evanston, Illinois, and NPI 1366619686, issued on May 15, 2008. Check the license (Illinois 036115452, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Leslie Yang
- Credential
- M.D.
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- 036115452 IL
Self-reported in NPPES; status is on the state search - Practice location
- 1000 Central St Ste 615, Evanston, IL 60201
- Phone
- (847) 657-1900
- Enumerated
- May 15, 2008
- Entity
- Type 1 · individual
Also registered at 1000 Central St Ste 615
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Shashi Bellam, MDInternal Medicine Physician1053338871
- Rebecca DodickRegistered Nurse1265926711
- Sarah Gray, M.D,Internal Medicine Physician1952782310
- Stacy Raviv, MDInternal Medicine Physician1568550499
- Christopher Winslow, MDInternal Medicine Physician1780605352
Verify Leslie Yang 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 036115452Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
35% fewer Medicare Part D claims than the average gastroenterology physician in 2024
552 Medicare Part D claims for 272 beneficiaries, against an average of 848 among the 13,066 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of claims.
Most prescribed
- Gavilyte-C151 claims
- Omeprazole104 claims
- Pantoprazole Sodium61 claims
- Linzess46 claims
- Famotidine39 claims
- Sod Sulf-Potass Sulf-Mag Sulf19 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.
The Medicare quality score for 2023: 93.1 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
One hospital or facility affiliation
- Endeavor Health Medical GroupHighland Park, IL
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Gastroenterology Physician providers in Illinois
There are 724 gastroenterology physician records in Illinois.
Other gastroenterology physician records in Illinois
- Abdul Aadam, M.D.Chicago, IL1013038744
- Richard Aaronson, M.D.Olympia Fields, IL1578520656
- Abdelhai Abdelqader, MDMaywood, IL1073931127
- Mustafa Abdul-Hussein, MDMattoon, IL1972759173
- Abdullah AbdussalamDes Plaines, IL1932442613
- Ayokunle Abegunde, M.D.Maywood, IL1194031435
- Rana Abraham, M.D., M.S.Chicago, IL1437318516
- Ikechukwu Achebe, MDChicago, IL1184182198
- Philip Adjei, M.D.Libertyville, IL1720080054
- Douglas Adler, MDGlenview, IL1255313367
Common questions
What is Leslie Yang, M.D.'s NPI number?
Leslie Yang, M.D.'s National Provider Identifier (NPI) is 1366619686, issued on May 15, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Leslie Yang, M.D. located?
The NPPES record lists a practice address at 1000 Central St Ste 615, Evanston, IL, 60201. Phone: (847) 657-1900. Providers update this record themselves, so call before visiting.
How can I verify Leslie Yang, M.D.'s license?
NPPES lists Illinois license number 036115452, 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 Leslie Yang, M.D. prescribe under Medicare Part D?
In 2024, Leslie Yang, M.D. had 552 Medicare Part D claims for 272 beneficiaries; the average among gastroenterology physician prescribers was 848. Part D covers Medicare prescriptions only.
What is Leslie Yang, M.D.'s Medicare quality score?
The 2023 MIPS final score is 93.1 of 100. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
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.