Doctor profile · Federal record
Dr. Karl Sun, MD
Cardiovascular Disease Physician (CMS: Cardiovascular Disease (Cardiology)) · Nuclear Cardiology Physician · La Mesa, CA
- NPI 1235131061
- Accepts Medicare
- MIPS 95.2 / 100 · 2023
- 44 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
8851 Center Dr, Ste 401
La Mesa, CA 919423017
(619) 668-1550
fax (619) 668-1554
Credentials & registration
- NPI registered
- August 2005 — 21 yrs on file
- Profile last updated
- April 23, 2010
- Year of graduation
- 1982 — 44 yrs since
- Specialty taxonomy
- 207RC0000X — NUCC code
- State license (1)
- California #A68612
- Medicaid
- CA #00A686120
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1235131061. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
3,885
Distinct HCPCS
10
Medicare allowed
$309,132
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99457 |
Management using the results of remote vital sign monitoring per calendar month, first 20 minutes | 525 | 78 | $53 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 412 | 214 | $98 | |
99454 |
Remote monitoring of physiologic parameters, initial supply of devices with daily recordings or programmed alerts transmission, each 30 days | 376 | 58 | $58 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 323 | 95 | $125 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 315 | 181 | $139 | |
93306 |
Ultrasound of heart with color-depicted blood flow, rate, direction and valve function | 219 | 213 | $72 | |
99458 |
Management using the results of remote vital sign monitoring per calendar month, each additional 20 minutes | 207 | 54 | $42 | |
93000 |
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | 166 | 150 | $16 | |
J2785 |
Injection, regadenoson, 0.1 mg | 148 | 37 | $57 | |
36415 |
Insertion of needle into vein for collection of blood sample | 118 | 82 | $8 |
In context: peer comparison
Among 5 peers in this city , average services per provider: 157. This provider delivers 25× the peer median.Open Payments
Industry payments received
All-time total
$451
Transactions
26
Manufacturers
11
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Novartis Pharmaceuticals Corporation | 14 | $175.24 | |
| Janssen Pharmaceuticals, Inc | 3 | $65.46 | |
| Abbott Laboratories | 1 | $45.67 | |
| Kestra Medical Technology Services, Inc. | 1 | $32.97 | |
| Philips North America LLC | 1 | $26.24 | |
| Kiniksa Pharmaceuticals International, plc | 1 | $20.74 | |
| ZOLL Services LLC (A/K/A ZOLL LifeCor Corp) | 1 | $20.44 | |
| Amgen Inc. | 1 | $19.24 | |
| BIOTRONIK INC. | 1 | $16.44 | |
| AstraZeneca Pharmaceuticals LP | 1 | $14.44 | |
| Boehringer Ingelheim Pharmaceuticals, Inc. | 1 | $14.22 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
984
Patients
244
Total drug cost
$126,976
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Amlodipine Besylate | Generic | 147 | 45 | $1,585 |
| Diltiazem 24hr Er (Cd) (Diltiazem Hcl) | Brand | 101 | 22 | $6,415 |
| Losartan Potassium | Generic | 100 | 32 | $1,693 |
| Eliquis (Apixaban) | Brand | 95 | 22 | $104,675 |
| Metoprolol Succinate | Generic | 92 | 24 | $1,377 |
| Atorvastatin Calcium | Generic | 60 | 20 | $1,306 |
| Isosorbide Mononitrate Er (Isosorbide Mononitrate) | Brand | 53 | 0 | $1,007 |
| Rosuvastatin Calcium | Generic | 50 | 15 | $933 |
| Furosemide | Generic | 46 | 19 | $393 |
| Carvedilol | Generic | 45 | 16 | $511 |
Frequently asked questions
What is Dr. Karl Sun's medical specialty?
Dr. Karl Sun practices Cardiovascular Disease Physician in La Mesa, CA.
Where does Dr. Karl Sun practice?
Dr. Karl Sun practices at 8851 Center Dr, La Mesa, CA 919423017. Office phone: 6196681550.
What is Dr. Karl Sun's NPI?
Dr. Karl Sun's National Provider Identifier (NPI) is 1235131061, issued by NPPES.
Does Dr. Karl Sun accept Medicare assignment?
Yes. Dr. Karl Sun accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Karl Sun commonly perform?
Top Medicare-reported procedures in 2023: Management using the results of remote vital sign monitoring per calendar month (HCPCS 99457); Established patient office or other outpatient visit (HCPCS 99213); Remote monitoring of physiologic parameters, initial supply of devices with daily recordings or programmed alerts transmission, each 30 days (HCPCS 99454). Source: CMS Medicare Physician & Other Practitioners file.