Rebecca Wanting Tsang, M.D., M.P.H.
Gastroenterology Physician · Evanston, IL
Rebecca Wanting Tsang, M.D., M.P.H. is a gastroenterology physician with a practice address in Evanston, Illinois, and NPI 1043531528, issued on Jun 18, 2010. Check the license (Illinois 036.132789, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Rebecca Wanting Tsang
- Credential
- M.D., M.P.H.
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- 036.132789 IL
Self-reported in NPPES; status is on the state search - Practice location
- 1732 Central St, Evanston, IL 60201
- Phone
- (847) 256-1855
- Enumerated
- Jun 18, 2010
- Record last updated
- Mar 18, 2026
- Fax
- (866) 375-3001
- Medicare enrollment
- Enrolled (PECOS I20160628001244); may accept Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 887 in Illinois → Look up another NPI →
Also registered at 1732 Central St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Manoj Mehta, MDGastroenterology Physician1962495200
Verify Rebecca Wanting Tsang 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 036.132789Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
27% more Medicare Part D claims than the average gastroenterology physician in 2024
1,030 Medicare Part D claims for 552 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims.
Most prescribed
- Gavilyte-C305 claims
- Omeprazole139 claims
- Pantoprazole Sodium70 claims
- Linzess51 claims
- Peg 3350-Electrolyte51 claims
- Sod Sulf-Potass Sulf-Mag Sulf45 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 MIPS final score for 2023 (Medicare payment program): 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).
Bills Medicare through 2 group practices
- Endeavor Health Medical GroupGlenview, IL
- Endoscopy Center OF The North Shore LLCEvanston, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Rebecca Wanting Tsang among 887 gastroenterology physician records in Illinois
Rebecca Wanting Tsang, M.D., M.P.H. is one of 887 gastroenterology physician records with a practice address in Illinois. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 63% of them.
- NPI issued2010 · 63% of these records are older, 34% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated2010 · median 2003 among the 643 with a school on file
- Record last updated2026 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in Illinois
There are 887 gastroenterology physician records in Illinois.
All 887 in Illinois → Every provider in Evanston → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Laura Bianchi, MDEvanston, IL 602011932231115
- Sarah Burroughs, DOEvanston, IL 602011447755434
- Natalia Filipek, MDEvanston, IL 602011891310090
- Anuhya Gampa, M.D.Evanston, IL 602011588045165
- Michael Goldberg, MDEvanston, IL 602011134159064
- Maryam Haider, MDEvanston, IL 602011912561275
- Blake Jones, M.D.Evanston, IL 602011386023679
- Manoj Mehta, MDEvanston, IL 602011962495200
Common questions
What is Rebecca Wanting Tsang, M.D., M.P.H.'s NPI number?
Rebecca Wanting Tsang, M.D., M.P.H.'s National Provider Identifier (NPI) is 1043531528, issued on Jun 18, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Rebecca Wanting Tsang, M.D., M.P.H. located?
The NPPES record lists a practice address at 1732 Central St, Evanston, IL, 60201. Phone: (847) 256-1855. Providers update this record themselves, so call before visiting.
How can I verify Rebecca Wanting Tsang, M.D., M.P.H.'s license?
NPPES lists Illinois license number 036.132789, 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 Rebecca Wanting Tsang, M.D., M.P.H. prescribe under Medicare Part D?
In 2024, Rebecca Wanting Tsang, M.D., M.P.H. had 1,030 Medicare Part D claims for 552 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.
What is Rebecca Wanting Tsang, M.D., M.P.H.'s MIPS final 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), 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.