Doctor profile · Federal record
Dr. Dirk van Leeuwen, M.D., PH.D., Faasld
Gastroenterology Physician · Gastroenterology Physician · Portland, OR
- NPI 1205941309
- 20 yrs on file
- Licensed in 2 states
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
10000 Se Main St Ste 112
Portland, OR 972162441
(503) 255-3054
fax (503) 255-7651 - Additional location
-
1301 Pleasant Valley RD Ste 401
Owensboro, KY 423039774
(270) 417-7800
fax (270) 417-7809
Credentials & registration
- NPI registered
- August 2006 — 20 yrs on file
- Profile last updated
- February 22, 2023
- Specialty taxonomy
- 207RG0100X — NUCC code
- State licenses (2)
- Oregon #CP206793 · Kentucky #EMERGENT
- Medicaid
- WI #100220249
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1205941309. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
45
Distinct HCPCS
4
Medicare allowed
$4,403
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99221 |
Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes | 12 | 12 | $78 | |
43235 |
Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 11 | 11 | $109 | |
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 11 | 11 | $100 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 11 | 11 | $106 |
In context: peer comparison
Among 45 peers in Portland Gastroenterology Physician, average services per provider: 59. This provider delivers 0.8× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
16
Patients
0
Total drug cost
$105
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Pantoprazole Sodium | Generic | 16 | 0 | $105 |
Frequently asked questions
What is Dr. Dirk van Leeuwen's medical specialty?
Dr. Dirk van Leeuwen practices Gastroenterology Physician in Portland, OR.
Where does Dr. Dirk van Leeuwen practice?
Dr. Dirk van Leeuwen practices at 10000 Se Main St Ste 112, Portland, OR 972162441. Office phone: 5032553054.
What is Dr. Dirk van Leeuwen's NPI?
Dr. Dirk van Leeuwen's National Provider Identifier (NPI) is 1205941309, issued by NPPES.
What procedures does Dr. Dirk van Leeuwen commonly perform?
Top Medicare-reported procedures in 2023: Initial hospital care with straightforward or low level of medical decision making (HCPCS 99221); Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43235); Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43239). Source: CMS Medicare Physician & Other Practitioners file.