Kay-Won Chang

Cardiovascular Disease Internal Medicine

Internal Medicine

Kay-Won Chang is a Cardiovascular Disease Internal Medicine specialist based in Dublin, CA with over 11 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.

Also practices: INTERNAL MEDICINE

(510) 498-2178Dublin, CA
Telehealth Available
NPI Active per CMS — Q2 2026|Medicare Enrolled|Order & Refer

Kay-Won Chang practices as part of a group cardiologist practice in Dublin, CA. A University of Texas Medical School at Houston graduate since 2015, he brings 11+ years of experience. CMS Medicare data shows his patients commonly have hypertension, high cholesterol, and ischemic_heart.

1 of 849 Internal Medicine providers in CASee all Internal Medicine in Dublin11+ years experienceNPI since 2015

Older · 1733dNPPES updated 2021-08-25 · verify NPI on CMS · Verify license at Medical Board of California

Contact & Location

Practice Location

4000 Dublin Blvd 3rd Floor, Dublin, CA 94568

CMS Clinical Data

How Does This Doctor Compare?

Medicare Patients

975

Unique beneficiaries

High volume

Prescription Recipients

212

Patients prescribed

Prescriptions Written

957

Total claims

Total Medicare drug cost: $303k

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.

Patient Condition Panel

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 Ischemic Heart Disease.

Hypertension
75%

High blood pressure — a leading risk factor for heart disease and stroke

High Cholesterol
75%

Elevated cholesterol or triglycerides that increase heart disease risk

Ischemic Heart Disease
39%

Reduced blood flow to the heart muscle, commonly known as coronary artery disease

Arthritis
39%

Joint inflammation causing pain, swelling, and stiffness

Diabetes
31%

A condition where the body cannot properly regulate blood sugar levels

Atrial Fibrillation
25%

An irregular, often rapid heartbeat that increases the risk of stroke

Chronic Kidney Disease
24%

Gradual loss of kidney function over time, often linked to diabetes or hypertension

Osteoporosis
21%

Weakened bones that are more prone to fractures, common in older adults

GeneralBehavioralNational avg

Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.

Industry Payment Transparency

$203 received from industry

2 transactions reported in 2018 ·Low tier

View on CMS Open Payments →

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 Kay-Won Chang's NPI.

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Background & Specialty

Education, training, and specialty classification from CMS NPPES and Medicare records.

Career Journey
  1. Graduated medical school · 2015

    Mcgovern Medical School at Uthealth Houston

  2. Board certified · Jun 10, 2021

    Self-reported via NPPES

  3. 11 years in practice

    Established

Internal MedicineCardiovascular Disease in DublinAllopathic & Osteopathic Physicians

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 Texas Medical School at Houston (Class of 2015)

Practice Footprint

Mailing address

3200 Kearney Street Building 2, 1st Floor, Fremont, CA 94538

Differs from practice location

Primary hospital affiliation: Critical Access Hospitals

CMS Certification Number: 191302

View hospital on Medicare Care Compare

Virtual Cardiovascular Disease Care With Kay-Won Chang

NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.

Schedule a virtual visit with Kay-Won Chang for blood pressure monitoring, cholesterol management, follow-up consultations — no travel to Dublin 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 Kay-Won Chang

NPI records show Dr. Chang as active with telehealth listed in Dublin, CA. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (510) 498-2178.

Verified across 5 federal data sources

Sourced from CMS NPPES · OIG LEIE · CMS Medicare Part D · CMS Open Payments 2018 · CMS Physician Comparator. See Data Methodology.

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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.

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