Doctor profile · Federal record
Dr. Kay-Won Chang
Cardiovascular Disease Physician (CMS: Cardiovascular Disease (Cardiology)) · Dublin, CA
- NPI 1205213410
- Accepts Medicare
- 11 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
4000 Dublin Blvd, 3Rd Floor
Dublin, CA 94568
(510) 498-2178 - Additional location
-
3200 Kearney Street, Building 2, 1St Floor
Fremont, CA 94538
(619) 543-6268 - Mailing address
-
3200 Kearney Street, Building 2, 1St Floor
Fremont, CA 94538
Credentials & registration
- NPI registered
- April 2015 — 11 yrs on file
- Profile last updated
- August 25, 2021
- Year of graduation
- 2015 — 11 yrs since
- Specialty taxonomy
- 207RC0000X — NUCC code
- State license (1)
- California #A144085
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1205213410. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,908
Distinct HCPCS
10
Medicare allowed
$223,687
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
93000 |
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | 382 | 358 | $18 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 265 | 146 | $153 | |
93306 |
Ultrasound of heart with color-depicted blood flow, rate, direction and valve function | 254 | 252 | $256 | |
J2785 |
Injection, regadenoson, 0.1 mg | 100 | 25 | $53 | |
93248 |
Heart rhythm review and interpretation of continous external ekg over 8-15 days | 97 | 97 | $29 | |
93246 |
Heart rhythm recording of continous external ekg over 8-15 days | 96 | 96 | $16 | |
93356 |
Heart muscle strain imaging | 90 | 88 | $49 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 82 | 32 | $132 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 69 | 69 | $197 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 59 | 47 | $214 |
In context: peer comparison
Among 2 peers in this city , average services per provider: 88. This provider delivers 22× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
847
Patients
289
Total drug cost
$270,514
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Rosuvastatin Calcium | Generic | 260 | 95 | $8,482 |
| Atorvastatin Calcium | Generic | 141 | 56 | $2,735 |
| Eliquis (Apixaban) | Brand | 74 | 26 | $108,415 |
| Metoprolol Succinate | Generic | 65 | 22 | $1,223 |
| Amlodipine Besylate | Generic | 42 | 15 | $531 |
| Carvedilol | Generic | 42 | 12 | $772 |
| Entresto (Sacubitril/Valsartan) | Brand | 41 | 13 | $66,129 |
| Jardiance (Empagliflozin) | Brand | 34 | 13 | $55,627 |
| Ezetimibe | Generic | 31 | 11 | $1,523 |
| Furosemide | Generic | 30 | 14 | $233 |
Frequently asked questions
What is Dr. Kay-Won Chang's medical specialty?
Dr. Kay-Won Chang practices Cardiovascular Disease Physician in Dublin, CA.
Where does Dr. Kay-Won Chang practice?
Dr. Kay-Won Chang practices at 4000 Dublin Blvd, Dublin, CA 94568. Office phone: 5104982178.
What is Dr. Kay-Won Chang's NPI?
Dr. Kay-Won Chang's National Provider Identifier (NPI) is 1205213410, issued by NPPES.
Does Dr. Kay-Won Chang accept Medicare assignment?
Yes. Dr. Kay-Won Chang accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Kay-Won Chang commonly perform?
Top Medicare-reported procedures in 2023: Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (HCPCS 93000); Established patient office or other outpatient visit (HCPCS 99214); Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (HCPCS 93306). Source: CMS Medicare Physician & Other Practitioners file.