Doctor profile · Federal record
Dr. Donald Lum, MD
Gastroenterology Physician (CMS: Gastroenterology) · Gastroenterology Physician · Gastroenterology Physician · Portland, OR
- NPI 1376535724
- Accepts Medicare
- 38 yrs in practice
- Licensed in 3 states
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
1111 Ne 99Th Ave, Suite 301
Portland, OR 972209428
(503) 963-2707
fax (503) 963-2802 - Additional location
-
9300 Se 91St Ave Ste 300
Clackamas, OR 970863762 - Mailing address
-
541 Ne 20Th Ave Ste 225
Portland, OR 972322895
Credentials & registration
- NPI registered
- August 2005 — 21 yrs on file
- Profile last updated
- November 4, 2024
- Year of graduation
- 1988 — 38 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State licenses (3)
- Oregon #MD16022 · Washington #MD60965635 · California #G74500
- Medicaid (2)
- OR #023908 · WA #8424897
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1376535724. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
326
Distinct HCPCS
9
Medicare allowed
$33,864
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
88305 |
Pathology examination of tissue using a microscope, intermediate complexity | 95 | 63 | $37 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 47 | 39 | $129 | |
45380 |
Biopsy of large bowel using a flexible endoscope | 42 | 42 | $138 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 37 | 34 | $93 | |
45385 |
Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 34 | 34 | $232 | |
99231 |
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | 29 | 14 | $49 | |
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 17 | 17 | $117 | |
43248 |
Insertion of guide wire with dilation of esophagus using a flexible endoscope | 13 | 13 | $139 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 12 | 12 | $167 |
In context: peer comparison
Among 45 peers in Portland Gastroenterology Physician, average services per provider: 59. This provider delivers 5.5× the peer median.Open Payments
Industry payments received
All-time total
$109,419
Transactions
109
Manufacturers
6
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Abbvie INC. | 79 | $68,587.38 | |
| Janssen Biotech, INC. | 22 | $35,006.18 | |
| Eli Lilly and Company | 5 | $5,716.62 | |
| Pfizer INC. | 1 | $48.04 | |
| Regeneron Healthcare Solutions, INC. | 1 | $34.83 | |
| Lilly USA, LLC | 1 | $25.64 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
570
Patients
160
Total drug cost
$31,850
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Famotidine | Generic | 151 | 31 | $1,875 |
| Gavilyte-G (Peg3350/Sod Sulf,Bicarb,Cl/Kcl) | Brand | 88 | 86 | $1,780 |
| Omeprazole | Generic | 78 | 27 | $1,026 |
| Budesonide Dr (Budesonide) | Brand | 59 | 16 | $5,807 |
| Mesalamine | Generic | 26 | 0 | $7,503 |
| Balsalazide Disodium | Generic | 21 | 0 | $2,535 |
| Amitriptyline Hcl | Generic | 20 | 0 | $167 |
| Pantoprazole Sodium | Generic | 20 | 0 | $223 |
| Promethazine Hcl | Generic | 20 | 0 | $752 |
| Esomeprazole Magnesium | Generic | 19 | 0 | $3,504 |
Frequently asked questions
What is Dr. Donald Lum's medical specialty?
Dr. Donald Lum practices Gastroenterology Physician in Portland, OR.
Where does Dr. Donald Lum practice?
Dr. Donald Lum practices at 1111 Ne 99Th Ave, Portland, OR 972209428. Office phone: 5039632707.
What is Dr. Donald Lum's NPI?
Dr. Donald Lum's National Provider Identifier (NPI) is 1376535724, issued by NPPES.
Does Dr. Donald Lum accept Medicare assignment?
Yes. Dr. Donald Lum accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Donald Lum commonly perform?
Top Medicare-reported procedures in 2023: Pathology examination of tissue using a microscope, intermediate complexity (HCPCS 88305); Established patient office or other outpatient visit (HCPCS 99214); Biopsy of large bowel using a flexible endoscope (HCPCS 45380). Source: CMS Medicare Physician & Other Practitioners file.