Choon-Weng Chan, M.D.
Choon-Weng Chan is an Internal Medicine specialist based in Elk Grove, CA with over 25 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.
With over 25 years in internal medicine, Choon-Weng Chan, M.D. is a long-established internist in Elk Grove. He has been practicing since 2006 — over 25 years. CMS Medicare data shows his patients commonly have hypertension, high cholesterol, and diabetes. CMS MIPS quality score: 96.51/100 (2023).
At a glance
- Prescribes opioids less than 31% of reporting doctors in California
- Uses generic medications more than 51% of reporting doctors in California
- Federal MIPS score higher than 82% of MIPS-scored doctors in California
- Virtual visits available — no app or travel required
Older · 4336dNPPES updated 2014-07-10 · verify NPI on CMS · Verify license at Medical Board of California
Contact & Location
Practice Location
8220 Wymark Dr, Elk Grove, CA 95757-6297
How Does This Doctor Compare?
Based on Medicare data, this doctor scores better than 82% of doctors in California on federal quality measures, prescribes opioid pain medications conservatively, favors affordable generic drugs over brand-name ones.
MIPS Score
202396.51/100
California avg: 78.6 · US avg: 83.6
✓ Higher than most doctors nationally(+12.9 pts)
Better than 82% of MIPS-scored doctors in CaliforniaHow the government rates this doctor's Medicare care quality. Scores above 75 are considered good.
Opioid Rx
↓ Lower = better2.88%
California avg: 5.2 · US avg: 5.1
✓ Higher than most doctors nationally(-2.2 pts)
2.88% of this doctor's prescriptions are opioid pain medications. Lower means more cautious prescribing.
Generic Rx
↑ Higher = better88%
California avg: 83.3 · US avg: 82.8
✓ Higher than most doctors nationally(+5.2 pts)
Typical range among reporting doctors in CaliforniaHow often this doctor prescribes affordable generic drugs instead of expensive brand-name ones.
Medicare Patients
429
Unique beneficiaries
Standard volumePrescription Recipients
651
Patients prescribed
Prescriptions Written
11,015
Total claims
Total Medicare drug cost: $1.30M
Percentile rankings compared against 9,360 reporting peers in California.
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 Hypertension, High Cholesterol, and Diabetes.
High blood pressure — a leading risk factor for heart disease and stroke
US avg: 70.2%↑ More patients than average (+5%) — a focus area for this doctor
Elevated cholesterol or triglycerides that increase heart disease risk
US avg: 70.4%A condition where the body cannot properly regulate blood sugar levels
US avg: 34.5%↓ Fewer patients than average (-1%) — less common here
Joint inflammation causing pain, swelling, and stiffness
US avg: 49.3%↓ Fewer patients than average (-17%) — less common here
Gradual loss of kidney function over time, often linked to diabetes or hypertension
US avg: 29.6%↓ Fewer patients than average (-6%) — less common here
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 (-11%) — less common here
A mood disorder causing persistent sadness and loss of interest in activities
US avg: 31.8%↓ Fewer patients than average (-11%) — less common here
Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.
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Background & Specialty
Education, training, and specialty classification from CMS NPPES and Medicare records.
25 years in practice
Experienced
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Taxonomy: 207R00000X
Mailing address
3400 Data Dr Physician Support Services, Rancho Cordova, CA 95670-7956
Differs from practice location
Primary hospital affiliation: Acute Care Hospitals
CMS Certification Number: 190005
View hospital on Medicare Care CompareVirtual Internal Medicine Care With Choon-Weng Chan
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with Choon-Weng Chan for blood pressure monitoring, cholesterol management, diabetes check-ins — no travel to Elk Grove 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 Choon-Weng Chan
Dr. Chan is listed as active in the NPI registry with telehealth listed in Elk Grove, CA. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (916) 667-0600.
Sourced from CMS NPPES · OIG LEIE · CMS QPP 2023 · CMS Medicare Part D · CMS Physician Comparator. See Data Methodology.
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Contact Choon-Weng Chan
Practice Location
8220 Wymark Dr, Elk Grove, CA 95757-6297
Mailing Address
3400 Data Dr Physician Support Services, Rancho Cordova, CA 95670-7956
This is a provider directory. Contact the office directly to schedule appointments.
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