Internal Medicine, Cardiovascular Disease · Los Angeles, CA
NPI
1326205873
Since 2008
Specialty
Internal Medicine, Cardiovascular Disease
Code 207RC0000X
Group practices
3
Medicare group memberships
Hospitals
5
Hospital affiliations
711 W College St, Suite #540
Los Angeles, CA, 90012
Phone (213) 673-1880
Groups this clinician bills Medicare through
Medicare paid, 2024
$1.3M
18,123 services
Medicare patients, 2024
3,590
Average age 71
Drug cost, 2024
$2.2M
5,396 prescriptions
Company payments, 2025
$11K
From 24 companies
Procedures and visits billed to Original Medicare, 2024
In 2024, the most common Medicare service billed by Christopher Chu was code 99232 (hospital e&m - subsequent), 8,849 times for 1,322 patients. In total Christopher Chu billed 18,123 services in 40 codes, and Medicare paid $1.3M.
| Code |
|---|
Official US government data: the national provider registry and Medicare enrollment records, linked by NPI. Last update of this record: 2020-03-30.
| Setting |
|---|
| Services |
|---|
| Patients |
|---|
| Paid per service |
|---|
| Medicare paid |
|---|
| 99232 Hospital E&M - Subsequent | Facility | 8,849 | 1,322 | $65.34 | $578K |
| 93010 Electrocardiogram | Facility | 3,219 | 2,211 | $6.59 | $21K |
| 99222 Hospital E&M - Initial | Facility | 2,642 | 2,172 | $107.14 | $283K |
| 93306 Echocardiography (TTE/TEE) | Facility | 1,375 | 1,293 | $56.52 | $78K |
| 99214 Office E&M - Established | Office | 665 | 333 | $95.63 | $64K |
| 93000 Electrocardiogram | Office | 274 | 247 | $10.63 | $2,912 |
| J2785 Injection, regadenoson, 0.1 mg | Office | 197 | 50 | $6.24 | $1,228 |
| 93306 Echocardiography (TTE/TEE) | Office | 173 | 162 | $169.51 | $29K |
| A9555 Rubidium rb-82, diagnostic, per study dose, up to 60 millicuries | Office | 142 | 71 | $411.94 | $58K |
| 93015 Electrocardiogram | Office | 72 | 71 | $63.97 | $4,606 |
| 78431 Myocardial Perfusion Scan | Office | 69 | 69 | $1,583.68 | $109K |
| 78434 Myocardial Perfusion Scan | Office | 69 | 69 | $122.07 | $8,423 |
| 99309 SNF E&M | Facility | 66 | 30 | $91.20 | $6,019 |
| 99204 Office E&M - New | Office | 65 | 65 | $113.32 | $7,366 |
| 99223 Hospital E&M - Initial | Facility | 55 | 52 | $140.90 | $7,750 |
By year: 2022 $882K for 11,754 services; 2023 $889K for 9,940 services; 2024 $1.3M for 18,123 services.
Medicare prescription drug claims, 2024
In 2024, the drug Christopher Chu prescribed most often to Medicare patients was Atorvastatin Calcium, with 433 prescriptions and refills. In total Christopher Chu wrote 5,396 Medicare prescriptions that cost $2.2M.
| Drug | Claims | 30-day fills | Patients | Cost |
|---|---|---|---|---|
| Atorvastatin Calcium Generic | 433 | 969 | 118 | $3,824 |
| Amlodipine Besylate Generic | 353 | 885 | 116 | $1,700 |
| Metoprolol Succinate Generic | 350 | 858 | 102 | $4,704 |
| Eliquis Apixaban | 297 | 527 | 75 | $290K |
| Furosemide Generic | 230 | 477 | 65 | $1,341 |
| Farxiga Dapagliflozin Propanediol | 204 | 357 | 47 | $187K |
| Ranolazine Er Ranolazine | 189 | 392 | 45 | $19K |
| Nitroglycerin Generic | 178 | 249 | 56 | $3,449 |
| Carvedilol Generic | 177 | 373 | 44 | $1,539 |
| Losartan Potassium Generic | 148 | 365 | 43 | $1,069 |
| Entresto Sacubitril/Valsartan | 137 | 277 | 39 | $179K |
| Lisinopril Generic | 133 | 266 | 35 | $743 |
| Xarelto Rivaroxaban | 131 | 229 | 27 | $115K |
| Hydralazine Hcl Generic | 130 | 288 | 32 | $1,263 |
| Brilinta Ticagrelor | 128 | 230 | 29 | $97K |
Brand drugs: 1,605 claims; generic drugs: 3,791 claims; opioid claims: 11.
Money and other things of value reported by the companies
In 2025, drug and medical device companies paid Christopher Chu $11K ($11K in general payments such as food, travel and fees) from 24 companies. The largest payer was Mirum Pharmaceuticals, Inc. with $7,161.
| Company | Payments | Amount |
|---|---|---|
| Mirum Pharmaceuticals, Inc. MIRM | 15 | $7,161 |
| Bayer Healthcare Pharmaceuticals Inc. BAYN.DE | 19 | $467 |
| Novartis Pharmaceuticals Corporation NVS | 9 | $344 |
| Boston Scientific Corporation BSX | 4 | $338 |
| AstraZeneca Pharmaceuticals LP AZN | 11 | $332 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | 10 | $316 |
| ZOLL Services LLC (A/K/A ZOLL LifeCor Corp) | 5 | $249 |
| Actelion Pharmaceuticals US, Inc. JNJ | 11 | $197 |
| Mannkind Corporation MNKD | 1 | $177 |
| Edwards Lifesciences Corporation EW | 4 | $156 |
Official US government data on Original Medicare services, Medicare prescription drug plans and the payments drug and device companies must report. Services with fewer than 11 patients and drugs with fewer than 11 claims are not published. Procedure codes are shown by number with their public category.