Doctor profile · Federal record
Dr. Jennifer Marks
Internal Medicine Physician (CMS: Internal Medicine) · Los Angeles, CA
- NPI 1033288667
- Accepts Medicare
- 27 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1520 San Pablo St, Suite 1000
Los Angeles, CA 900335310
(323) 442-5100 - Mailing address
-
Po Box 31309
Los Angeles, CA 900310309
Credentials & registration
- NPI registered
- November 2006 — 20 yrs on file
- Profile last updated
- November 27, 2023
- Year of graduation
- 1999 — 27 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- California #C131415
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1033288667. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
74
Distinct HCPCS
2
Medicare allowed
$7,008
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 54 | 35 | $104 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 20 | 16 | $70 |
In context: peer comparison
Among 262 peers in Los Angeles Internal Medicine Physician, average services per provider: 160. This provider delivers 0.5× the peer median.Open Payments
Industry payments received
All-time total
$129
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| AstraZeneca Pharmaceuticals Lp | 1 | $129.13 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
309
Patients
52
Total drug cost
$17,495
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 67 | 29 | $1,387 |
| Amlodipine Besylate | Generic | 35 | 12 | $575 |
| Losartan Potassium | Generic | 35 | 11 | $746 |
| Alendronate Sodium | Generic | 20 | 0 | $335 |
| Ventolin Hfa (Albuterol Sulfate) | Brand | 19 | 0 | $1,050 |
| Diclofenac Sodium | Generic | 14 | 0 | $314 |
| Famotidine | Generic | 14 | 0 | $194 |
| Gabapentin | Generic | 14 | 0 | $637 |
| Metformin Hcl | Generic | 14 | 0 | $219 |
| Nystatin | Generic | 14 | 0 | $327 |
Frequently asked questions
What is Dr. Jennifer Marks's medical specialty?
Dr. Jennifer Marks practices Internal Medicine Physician in Los Angeles, CA.
Where does Dr. Jennifer Marks practice?
Dr. Jennifer Marks practices at 1520 San Pablo St, Los Angeles, CA 900335310. Office phone: 3234425100.
What is Dr. Jennifer Marks's NPI?
Dr. Jennifer Marks's National Provider Identifier (NPI) is 1033288667, issued by NPPES.
Does Dr. Jennifer Marks accept Medicare assignment?
Yes. Dr. Jennifer Marks accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Jennifer Marks commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.