Doctor profile · Federal record
Dr. George Marks, MD
Internal Medicine Physician (CMS: Internal Medicine) · Los Angeles, CA
- NPI 1578589602
- 50 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
866 N Vermont Ave Ste 3
Los Angeles, CA 900293587
(323) 906-0050
fax (323) 906-0060
Credentials & registration
- NPI registered
- July 2006 — 20 yrs on file
- Profile last updated
- June 20, 2011
- Year of graduation
- 1976 — 50 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- California #C39879
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1578589602. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
441
Distinct HCPCS
6
Medicare allowed
$21,590
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 191 | 103 | $99 | |
93005 |
Routine electrocardiogram (ecg) using at least 12 leads with tracing | 181 | 98 | $7 | |
36415 |
Insertion of needle into vein for collection of blood sample | 23 | 19 | $8 | |
80053 |
Blood test, comprehensive group of blood chemicals | 19 | 17 | $10 | |
99212 |
Established patient office or other outpatient visit, 10-19 minutes | 14 | 13 | $62 | |
80061 |
Blood test, lipids (cholesterol and triglycerides) | 13 | 12 | $13 |
In context: peer comparison
Among 262 peers in Los Angeles Internal Medicine Physician, average services per provider: 160. This provider delivers 2.8× the peer median.Open Payments
Industry payments received
All-time total
$526
Transactions
17
Manufacturers
6
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Regeneron Healthcare Solutions, INC. | 8 | $290.44 | |
| Baxter Healthcare | 3 | $76.38 | |
| Gilead Sciences, INC. | 1 | $54.74 | |
| Zoll Services LLC (A/K/A Zoll LifeCor Corp) | 2 | $45.84 | |
| Pfizer INC. | 2 | $36.20 | |
| Lantheus Medical Imaging, INC. | 1 | $22.53 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
553
Patients
146
Total drug cost
$107,465
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Xarelto (Rivaroxaban) | Brand | 74 | 15 | $66,021 |
| Atorvastatin Calcium | Generic | 73 | 30 | $2,673 |
| Furosemide | Generic | 59 | 22 | $699 |
| Amlodipine Besylate | Generic | 58 | 25 | $1,879 |
| Carvedilol | Generic | 56 | 23 | $1,819 |
| Metoprolol Tartrate | Generic | 41 | 19 | $1,045 |
| Benazepril Hcl | Generic | 31 | 0 | $1,601 |
| Digoxin | Generic | 29 | 0 | $1,498 |
| Losartan Potassium | Generic | 29 | 12 | $1,105 |
| Entresto (Sacubitril/Valsartan) | Brand | 22 | 0 | $25,836 |
Frequently asked questions
What is Dr. George Marks's medical specialty?
Dr. George Marks practices Internal Medicine Physician in Los Angeles, CA.
Where does Dr. George Marks practice?
Dr. George Marks practices at 866 N Vermont Ave Ste 3, Los Angeles, CA 900293587. Office phone: 3239060050.
What is Dr. George Marks's NPI?
Dr. George Marks's National Provider Identifier (NPI) is 1578589602, issued by NPPES.
Does Dr. George Marks accept Medicare assignment?
Dr. George Marks does not accept Medicare assignment for all services. Patients may be billed amounts beyond Medicare-allowed charges.
What procedures does Dr. George Marks commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Routine electrocardiogram (ecg) using at least 12 leads with tracing (HCPCS 93005); Insertion of needle into vein for collection of blood sample (HCPCS 36415). Source: CMS Medicare Physician & Other Practitioners file.