Rebecca Wanting Tsang, M.D., M.P.H.
Gastroenterology Internal Medicine
Rebecca Wanting Tsang is a Gastroenterology Internal Medicine specialist based in Evanston, IL with over 16 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.
Rebecca Wanting Tsang, M.D., M.P.H. has practiced internal medicine for 16+ years, working in independent practice. She has been in practice for 16+ years. She regularly sees Medicare patients with high cholesterol, hypertension, and arthritis (per CMS claims data). CMS MIPS quality score: 93.09/100 (2023).
At a glance
- Uses generic medications more than 29% of reporting doctors in Illinois
- Federal MIPS score higher than 32% of MIPS-scored doctors in Illinois
- Virtual visits available — no app or travel required
Recent · 67dNPPES updated 2026-03-18 · verify NPI on CMS · Verify license at Illinois Department of Financial & Professional Regulation — Medical
Contact & Location
Practice Location
1732 Central St, Evanston, IL 60201-1508
How Does This Doctor Compare?
Based on Medicare data, this doctor favors affordable generic drugs over brand-name ones.
MIPS Score
202393.09/100
Illinois avg: 88.6 · US avg: 83.6
✓ Higher than most doctors nationally(+9.5 pts)
How the government rates this doctor's Medicare care quality. Scores above 75 are considered good.
Generic Rx
↑ Higher = better83.5%
Illinois avg: 82.9 · US avg: 82.8
✓ Higher than most doctors nationally(+0.7 pts)
How often this doctor prescribes affordable generic drugs instead of expensive brand-name ones.
Medicare Patients
802
Unique beneficiaries
High volumePrescription Recipients
511
Patients prescribed
Prescriptions Written
1,002
Total claims
Total Medicare drug cost: $96k
Percentile rankings compared against 2,844 reporting peers in Illinois.
Data Note: Sourced from CMS Medicare Provider Utilization & Payment Data. Percentile rankings compare this provider against all peers with reported data in the same state. Updated annually to reflect the latest federal reporting cycle.
What This Doctor Treats Most
Based on Medicare claims data — here's what patients commonly see this doctor for
Based on Medicare data, this doctor primarily manages High Cholesterol, Hypertension, and Arthritis.
Elevated cholesterol or triglycerides that increase heart disease risk
US avg: 70.4%↑ More patients than average (+5%) — a focus area for this doctor
High blood pressure — a leading risk factor for heart disease and stroke
US avg: 70.2%↓ Fewer patients than average (-1%) — less common here
Joint inflammation causing pain, swelling, and stiffness
US avg: 49.3%↑ More patients than average (+1%) — a focus area for this doctor
Conditions affecting emotional state, including depression and bipolar disorder
Reduced blood flow to the heart muscle, commonly known as coronary artery disease
US avg: 31.7%↓ Fewer patients than average (-4%) — less common here
A condition where the body cannot properly regulate blood sugar levels
US avg: 34.5%↓ Fewer patients than average (-7%) — less common here
Gradual loss of kidney function over time, often linked to diabetes or hypertension
US avg: 29.6%↓ Fewer patients than average (-4%) — less common here
A mood disorder causing persistent sadness and loss of interest in activities
US avg: 31.8%↓ Fewer patients than average (-6%) — less common here
Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.
$48 received from industry
1 transaction reported in 2018 ·Low tier
Payments include consulting fees, speaking honoraria, food & beverage, travel, research support, and ownership interests from drug and medical device manufacturers. Disclosure is required by the federal Physician Payments Sunshine Act. These payments do not necessarily indicate conflicts of interest. National median: $338 across 136 000 tracked providers.
Tiers — Low: under $500 · Moderate: $500-5 000 · High: $5 000-25 000 · Very High: $25 000+. Source: CMS Open Payments 2018, attributed to Rebecca Wanting Tsang's NPI.
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Background & Specialty
Education, training, and specialty classification from CMS NPPES and Medicare records.
Board certified · Mar 17, 2026
Self-reported via NPPES
16 years in practice
Experienced
Gastroenterologists diagnose and treat digestive system disorders including GERD, irritable bowel syndrome (IBS), inflammatory bowel disease (Crohn's, ulcerative colitis), liver disease, pancreatitis, and colon polyps. They perform endoscopies and colonoscopies.
Taxonomy: 207RG0100X
Mailing address
2150 Pfingsten Rd Ste 3000, Glenview, IL 60026-1314
Differs from practice location
Virtual Internal Medicine Care With Rebecca Wanting Tsang
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with Rebecca Wanting Tsang for cholesterol management, blood pressure monitoring, arthritis follow-ups — no travel to Evanston required. The office sends a secure video link before your appointment. Most visits take 15–30 minutes. Medicare enrolled per CMS records.
Frequently Asked Questions
Common questions about Rebecca Wanting Tsang
NPI records show Dr. Tsang as active with telehealth listed in Evanston, IL. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (847) 256-1855.
Sourced from CMS NPPES · OIG LEIE · CMS QPP 2023 · CMS Medicare Part D · CMS Open Payments 2018 · CMS Physician Comparator. See Data Methodology.
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Contact Rebecca Wanting Tsang
Practice Location
1732 Central St, Evanston, IL 60201-1508
Mailing Address
2150 Pfingsten Rd Ste 3000, Glenview, IL 60026-1314
This is a provider directory. Contact the office directly to schedule appointments.
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