Doctor profile · Federal record
Dr. David O'Brien, MD
Colon & Rectal Surgery Physician (CMS: Colorectal Surgery (Proctology)) · Surgery Physician · Portland, OR
- NPI 1669440350
- Accepts Medicare
- 29 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
4805 Ne Glisan St, Suite 6N60
Portland, OR 972132933
(503) 281-0561
fax (503) 416-7377 - Additional location
-
9155 Sw Barnes RD Ste 735
Portland, OR 972256634 - Mailing address
-
541 Ne 20Th Ave Ste 225
Portland, OR 972322895
Credentials & registration
- NPI registered
- March 2006 — 20 yrs on file
- Profile last updated
- November 6, 2024
- Year of graduation
- 1997 — 29 yrs since
- Specialty taxonomy
- 208C00000X — NUCC code
- State license (1)
- Oregon #MD28214
- Medicaid (2)
- OR #272697 · WA #8508939
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1669440350. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
239
Distinct HCPCS
7
Medicare allowed
$34,528
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
45300 |
Diagnostic exam of rectum and lower large bowel using an endoscope | 68 | 62 | $126 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 49 | 42 | $131 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 38 | 38 | $169 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 25 | 19 | $183 | |
99205 |
New patient office or other outpatient visit, 60-74 minutes | 23 | 23 | $213 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 23 | 21 | $93 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 13 | 13 | $114 |
In context: peer comparison
Among 10 peers in Portland Colon & Rectal Surgery Physician, average services per provider: 24. This provider delivers 10.0× the peer median.Open Payments
Industry payments received
All-time total
$292
Transactions
2
Manufacturers
2
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Integra LifeSciences Corporation | 1 | $174.42 | |
| Abbvie INC. | 1 | $117.48 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
49
Patients
48
Total drug cost
$230
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Ciprofloxacin Hcl | Generic | 18 | 18 | $68 |
| Metronidazole | Generic | 18 | 18 | $90 |
| Oxycodone Hcl | Generic | 13 | 12 | $73 |
Frequently asked questions
What is Dr. David O'Brien's medical specialty?
Dr. David O'Brien practices Colon & Rectal Surgery Physician in Portland, OR.
Where does Dr. David O'Brien practice?
Dr. David O'Brien practices at 4805 Ne Glisan St, Portland, OR 972132933. Office phone: 5032810561.
What is Dr. David O'Brien's NPI?
Dr. David O'Brien's National Provider Identifier (NPI) is 1669440350, issued by NPPES.
Does Dr. David O'Brien accept Medicare assignment?
Yes. Dr. David O'Brien accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. David O'Brien commonly perform?
Top Medicare-reported procedures in 2023: Diagnostic exam of rectum and lower large bowel using an endoscope (HCPCS 45300); Established patient office or other outpatient visit (HCPCS 99214); New patient office or other outpatient visit (HCPCS 99204). Source: CMS Medicare Physician & Other Practitioners file.