Doctor profile · Federal record
Dr. Mark Chou, D.O.
Cardiovascular Disease Physician (CMS: Internal Medicine) · Loma Linda, CA
- NPI 1578854543
- Accepts Medicare
- 15 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
11234 Anderson Street, Gme Office Csp 21005
Loma Linda, CA 923542804
(909) 558-7263
Credentials & registration
- NPI registered
- April 2011 — 15 yrs on file
- Profile last updated
- August 4, 2020
- Year of graduation
- 2011 — 15 yrs since
- Specialty taxonomy
- 207RC0000X — NUCC code
- State license (1)
- Colorado #DR.0064783
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1578854543. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,303
Distinct HCPCS
10
Medicare allowed
$83,113
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
93010 |
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | 574 | 416 | $8 | |
93000 |
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | 154 | 145 | $15 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 113 | 77 | $178 | |
93306 |
Ultrasound of heart with color-depicted blood flow, rate, direction and valve function | 85 | 84 | $201 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 62 | 58 | $124 | |
93306 |
Ultrasound of heart with color-depicted blood flow, rate, direction and valve function | 58 | 58 | $67 | |
99205 |
New patient office or other outpatient visit, 60-74 minutes | 31 | 31 | $210 | |
99152 |
Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes | 29 | 27 | $12 | |
93294 |
Evaluation of single, dual, multiple lead or leadless pacemaker system, remote up to 90 days | 25 | 11 | $30 | |
93296 |
Evaluation of single, dual, multiple lead or leadless pacemaker system or implantable defibrillator system, remote up to 90 days | 25 | 11 | $23 |
In context: peer comparison
Among 8 peers in this city , average services per provider: 60. This provider delivers 22× the peer median.Open Payments
Industry payments received
All-time total
$798
Transactions
26
Manufacturers
9
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Boston Scientific Corporation | 10 | $422.90 | |
| Philips North America LLC | 6 | $110.73 | |
| E.R. Squibb & Sons, L.L.C. | 4 | $106.99 | |
| AngioDynamics, Inc. | 1 | $51.64 | |
| PFIZER INC. | 1 | $27.23 | |
| Abbott Laboratories | 1 | $23.56 | |
| Merck Sharp & Dohme LLC | 1 | $21.22 | |
| HEARTFLOW, INC. | 1 | $16.86 | |
| Inspire Medical Systems, Inc. | 1 | $16.61 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
1,253
Patients
427
Total drug cost
$221,943
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Furosemide | Generic | 214 | 87 | $1,377 |
| Atorvastatin Calcium | Generic | 200 | 70 | $2,903 |
| Eliquis (Apixaban) | Brand | 105 | 29 | $127,696 |
| Clopidogrel (Clopidogrel Bisulfate) | Brand | 103 | 38 | $1,989 |
| Metoprolol Tartrate | Generic | 101 | 35 | $582 |
| Lisinopril | Generic | 91 | 31 | $623 |
| Metoprolol Succinate | Generic | 85 | 31 | $1,962 |
| Carvedilol | Generic | 65 | 23 | $774 |
| Hydrochlorothiazide | Generic | 60 | 24 | $198 |
| Xarelto (Rivaroxaban) | Brand | 56 | 15 | $64,632 |
Hospital affiliations
Frequently asked questions
What is Dr. Mark Chou's medical specialty?
Dr. Mark Chou practices Cardiovascular Disease Physician in Loma Linda, CA.
Where does Dr. Mark Chou practice?
Dr. Mark Chou practices at 11234 Anderson Street, Gme Office Csp 21005, Loma Linda, CA 923542804. Office phone: 9095587263.
What is Dr. Mark Chou's NPI?
Dr. Mark Chou's National Provider Identifier (NPI) is 1578854543, issued by NPPES.
Does Dr. Mark Chou accept Medicare assignment?
Yes. Dr. Mark Chou accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mark Chou commonly perform?
Top Medicare-reported procedures in 2023: Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010); Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (HCPCS 93000); Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.