Charles C Tsai, M.D.
Cardiovascular Disease Internal Medicine
Charles C Tsai is a Cardiovascular Disease Internal Medicine specialist based in Modesto, CA with over 37 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.
Patients across CA can see Charles C Tsai, M.D. in person in Modesto or via virtual visit — no travel required. Trained at University of Michigan Medical School (class of 1989), he has been practicing for over 37 years. Among his Medicare patients, common conditions include hypertension, high cholesterol, and arthritis (per CMS data).
Older · 5574dNPPES updated 2011-02-18 · verify NPI on CMS · Verify license at Medical Board of California
How Does This Doctor Compare?
Medicare Patients
1,843
Unique beneficiaries
High volumePrescription Recipients
954
Patients prescribed
Prescriptions Written
7,010
Total claims
Total Medicare drug cost: $1.73M
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 Arthritis.
High blood pressure — a leading risk factor for heart disease and stroke
Elevated cholesterol or triglycerides that increase heart disease risk
Joint inflammation causing pain, swelling, and stiffness
A condition where the body cannot properly regulate blood sugar levels
Reduced blood flow to the heart muscle, commonly known as coronary artery disease
Gradual loss of kidney function over time, often linked to diabetes or hypertension
An irregular, often rapid heartbeat that increases the risk of stroke
The heart cannot pump blood efficiently enough to meet the body's needs
Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.
$2.3k received from industry
44 transactions reported in 2024 ·Moderate 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 2024, attributed to Charles C Tsai's NPI.
Patient Reviews
No patient reviews yet. If you've seen Charles C Tsai, your feedback helps other patients.
Review PolicyAll feedback is moderated before publishing. We verify reviewer identity where possible and enforce a one-review-per-provider policy. Full guidelines →
Background & Specialty
Education, training, and specialty classification from CMS NPPES and Medicare records.
Graduated medical school · 1989
University of Michigan Medical School
37 years in practice
Senior practitioner
Cardiologists specialize in diagnosing and treating heart and blood vessel conditions including coronary artery disease, heart failure, arrhythmias, valve disorders, and hypertension. They perform diagnostic procedures such as echocardiograms, stress tests, and cardiac catheterization.
Taxonomy: 207RC0000X
Education & Training
University of Michigan Medical School (Class of 1989)
Mailing address
600 Coffee Rd, Modesto, CA 95355-4201
Differs from practice location
Primary hospital affiliation: Acute Care Hospitals
CMS Certification Number: 210008
View hospital on Medicare Care CompareVirtual Cardiovascular Disease Care With Charles C Tsai
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with Charles C Tsai for blood pressure monitoring, cholesterol management, arthritis follow-ups — no travel to Modesto 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 Charles C Tsai
NPI records show Dr. Tsai as active with telehealth listed in Modesto, CA. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (209) 550-4750.
Sourced from CMS NPPES · OIG LEIE · CMS Medicare Part D · CMS Open Payments 2024 · CMS Physician Comparator. See Data Methodology.
Is this your profile?
Verify credentials, update practice details, and manage telehealth.
Medical Disclaimer: NPI Telehealth is a provider directory for informational purposes only. This page does not constitute medical advice, diagnosis, or treatment recommendations. Provider data is sourced from the CMS NPPES federal registry and public Medicare datasets. NPI Telehealth does not verify clinical qualifications beyond federal records. Data may not reflect real-time availability — always contact the provider's office directly to confirm details before seeking care.
Contact Charles C Tsai
Practice Location
1409 E Briggsmore Ave, Modesto, CA 95355-2707
Mailing Address
600 Coffee Rd, Modesto, CA 95355-4201
This is a provider directory. Contact the office directly to schedule appointments.
Related Providers
Cardiovascular Disease Internal Medicine in California
See allGerson Charles Bernhard, MD
San Francisco, CA
John P. Kane, MD
San Francisco, CA
Yzhar Charuzi, M.D
Los Angeles, CA