Doctor profile · Federal record
Dr. Jacques van Dam, M.D., PH.D.
Gastroenterology Physician (CMS: Gastroenterology) · Los Angeles, CA
- NPI 1518001791
- Accepts Medicare
- 42 yrs in practice
- Male
- 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
- February 2007 — 19 yrs on file
- Profile last updated
- December 14, 2020
- Year of graduation
- 1984 — 42 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State license (1)
- California #50435
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1518001791. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
157
Distinct HCPCS
9
Medicare allowed
$19,997
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 29 | 29 | $93 | |
45380 |
Biopsy of large bowel using a flexible endoscope | 25 | 25 | $141 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 18 | 16 | $70 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 18 | 18 | $138 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 17 | 14 | $104 | |
45378 |
Diagnostic exam of large bowel using a flexible endoscope | 14 | 14 | $156 | |
45385 |
Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 14 | 14 | $253 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 11 | 11 | $141 | |
99221 |
Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes | 11 | 11 | $88 |
In context: peer comparison
Among 52 peers in Los Angeles Gastroenterology Physician, average services per provider: 124. This provider delivers 1.3× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
21
Patients
13
Total drug cost
$122
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Levofloxacin | Generic | 21 | 13 | $122 |
Hospital affiliations
Frequently asked questions
What is Dr. Jacques van Dam's medical specialty?
Dr. Jacques van Dam practices Gastroenterology Physician in Los Angeles, CA.
Where does Dr. Jacques van Dam practice?
Dr. Jacques van Dam practices at 1520 San Pablo St, Los Angeles, CA 900335310. Office phone: 3234425100.
What is Dr. Jacques van Dam's NPI?
Dr. Jacques van Dam's National Provider Identifier (NPI) is 1518001791, issued by NPPES.
Does Dr. Jacques van Dam accept Medicare assignment?
Yes. Dr. Jacques van Dam accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Jacques van Dam commonly perform?
Top Medicare-reported procedures in 2023: Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43239); Biopsy of large bowel using a flexible endoscope (HCPCS 45380); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.