Doctor profile · Federal record

Dr. Sung Chun, MD

Clinical Cardiac Electrophysiology Physician (CMS: Cardiac Electrophysiology) · Cardiovascular Disease Physician · Stanford, CA

  • NPI 1477640381
  • Accepts Medicare
  • 37 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 3 locations .

NPPES Updated May 11, 2026
Primary practice
300 Pasteur Dr
Stanford, CA 943052200
(650) 723-4000
Additional location
795 El Camino Real
Palo Alto, CA 943012302
(650) 321-4121
Additional location
87 Encina Ave
Palo Alto, CA 943012322
(650) 853-2975

Credentials & registration

NPPES · NUCC
NPI registered
October 2006 — 20 yrs on file
Profile last updated
April 18, 2024
Year of graduation
1989 — 37 yrs since
Specialty taxonomy
207RC0001X — NUCC code
State license (1)
California #G69787

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1477640381. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
3,734
Distinct HCPCS
10
Medicare allowed
$326,965
HCPCS Description Services Patients Avg allowed
93296 Evaluation of single, dual, multiple lead or leadless pacemaker system or implantable defibrillator system, remote up to 90 days 503 382 $32
99215 Established patient office or other outpatient visit, 40-54 minutes 482 279 $217
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 410 321 $9
93294 Evaluation of single, dual, multiple lead or leadless pacemaker system, remote up to 90 days 405 309 $34
99214 Established patient office or other outpatient visit, 30-39 minutes 353 271 $155
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 230 228 $18
G2066 Interrogation device evaluation(s), (remote) up to 30 days; implantable cardiovascular physiologic monitor system, implantable loop recorder system, or subcutaneous cardiac rhythm monitor system, remote data acquisition(s), receipt of transmissions and tec 151 61 $81
93298 Evaluation of cardiac rhythm monitor system, remote up to 30 days 149 60 $30
93280 Programming of dual lead pacemaker system 139 101 $104
85610 Blood test, clotting time 134 56 $4

In context: peer comparison

Among 7 peers in this city , average services per provider: 92. This provider delivers 41× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$34
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Biosense Webster, Inc. 1 $34.40

By nature of payment

Food and Beverage
$34

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,885
Patients
492
Total drug cost
$1,117,160
Drug Type Claims Patients Total cost
Eliquis (Apixaban) Brand 584 133 $725,814
Metoprolol Succinate Generic 414 118 $7,555
Xarelto (Rivaroxaban) Brand 204 48 $274,167
Amiodarone Hcl Generic 113 35 $3,561
Flecainide Acetate Generic 105 30 $9,098
Diltiazem 24hr Er (Cd) (Diltiazem Hcl) Brand 95 35 $5,106
Multaq (Dronedarone Hcl) Brand 58 18 $86,191
Sotalol (Sotalol Hcl) Brand 56 11 $2,519
Amlodipine Besylate Generic 54 15 $335
Losartan Potassium Generic 41 12 $506

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Sung Chun's medical specialty?
Dr. Sung Chun practices Clinical Cardiac Electrophysiology Physician in Stanford, CA.
Where does Dr. Sung Chun practice?
Dr. Sung Chun practices at 300 Pasteur Dr, Stanford, CA 943052200. Office phone: 6507234000.
What is Dr. Sung Chun's NPI?
Dr. Sung Chun's National Provider Identifier (NPI) is 1477640381, issued by NPPES.
Does Dr. Sung Chun accept Medicare assignment?
Yes. Dr. Sung Chun accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Sung Chun commonly perform?
Top Medicare-reported procedures in 2023: Evaluation of single, dual, multiple lead or leadless pacemaker system or implantable defibrillator system, remote up to 90 days (HCPCS 93296); Established patient office or other outpatient visit (HCPCS 99215); Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010). Source: CMS Medicare Physician & Other Practitioners file.