DR. DAVID PATRICK IV O'BRIEN (MD) – Colon & Rectal Surgery Physician, NPI 1669440350
Colon & Rectal Surgery Physician
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Profile Insights
NPPES metrics only — not quality of care.
39 COLORECTAL SURGERY (PROCTOLOGY) in OR
Provider Addresses for DR. DAVID PATRICK IV O'BRIEN (MD)
11000 SW Stratus St Ste 205
Beaverton, OR 970087104
Phone: (503) 281-0561
Fax: (503) 416-7377
Type: Location
9155 SW Barnes Rd Ste 735
Portland, OR 972256634
Phone: (503) 281-0561
Fax: (503) 416-7377
Type: Location
541 NE 20TH AVE STE 225
PORTLAND, OR 972322895
Phone: (503) 963-2801
Fax: (503) 963-2825
Type: Mailing
Providence Portland Medical Center, 4805, Northeast Glisan Street, North Tabor, Portland, Metro, Multnomah County, Oregon, 97213, United States
SUITE 6N60
PORTLAND, OR 972132933
Phone: (503) 281-0561
Fax: (503) 416-7377
Type: Location
Cascadia Behavioral Healthcare Administrative Office, 847, Northeast 19th Avenue, Kerns, Portland, Metro, Multnomah County, Oregon, 97232, United States
SUITE 300
PORTLAND, OR 972322684
Phone: (503) 963-2801
Fax: (503) 963-2825
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 2 Open Payments records for all available years, with a total value of $292.
Total Amount is formed as General ($292) + Research ($0) + Ownership ($0) = $292.
Last reported payment date: 2024-02-20 • Largest payer in this snapshot: Integra LifeSciences Corporation ($174).
Total Amount
$292
General + Research + Ownership
Payments
2
Total payment records
General Amount
$292
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-02-20
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Integra LifeSciences Corporation | $174 |
| ABBVIE INC. | $117 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2008-06-30
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20080630000256 | I | Colorectal Surgery (Proctology) | OR | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 45300 | Diagnostic exam of rectum and lower large bowel using an endoscope | 68 | 62 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 49 | 42 | $0 |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | 38 | 38 | $0 |
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | 25 | 19 | $0 |
| 99205 | New patient office or other outpatient visit, 60-74 minutes | 23 | 23 | $0 |
Insurance plans in this area (ZIP 97008)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Pulmonary Disease | OR | |
| - | OR | |
| O T O L A R Y N G O L O G Y | OR | |
| G A S T R O E N T E R O L O G Y | OR | |
| Internal Medicine, Gastroenterology | OR | |
| Gastroenterology, Internal Medicine | OR | |
| G A S T R O E N T E R O L O G Y | OR | |
| U R O L O G Y | OR | |
| Physician Assistant | OR | |
| - | OR |
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