DR. DAVID PATRICK O'BRIEN IV MD
NPI 1669440350
Colon & Rectal Surgery in Portland, OR

Active since March 09, 2006PECOS EnrolledAccepts Medicare Assignment
4805 NE GLISAN ST, SUITE 6N60, PORTLAND, OR 97213(503) 281-0561(503) 416-7377 Get Directions Write a Review

NPPES record last updated: May 14, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: May 14, 2026, Apr 21, 2026, Nov 6, 2024 and 2 more (5 updates tracked since 2021).

About Dr. David Patrick O'brien Iv Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. DAVID PATRICK O'BRIEN IV MD (NPI 1669440350) is an individual colon & rectal surgery provider in Portland, Oregon, licensed in Oregon (MD28214) and active in the NPI registry since March 2006. He is enrolled in Medicare PECOS, is affiliated with Providence Portland Medical Center, and maintains a secondary practice location in Beaverton.

NPPES Registry Identity

NPI1669440350
Entity TypeIndividualMale
Primary Taxonomy208C00000X
Provider Legal NameDR. DAVID PATRICK O'BRIEN IVCredential: MD
Location Address4805 NE GLISAN ST, SUITE 6N60Portland, OR 97213-2933
Mailing Address541 Ne 20th Ave Ste 225Portland, OR 97232-2895 · (503) 963-2801 · Fax (503) 963-2825
Fax(503) 416-7377
Sole ProprietorNo
Medical School CMSEmory University School Of MedicineGraduated 1997
Enumeration DateMarch 9, 2006
Last NPPES UpdateMay 14, 20265 updates tracked since enumeration
NPPES CertifiedMay 14, 2026
NPI 1669440350 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyColon & Rectal SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code208C00000X
License Licensed in OR · MD28214
Definition

A colon and rectal surgeon is trained to diagnose and treat various diseases of the intestinal tract, colon, rectum, anal canal and perianal area by medical and surgical means. This specialist also deals with other organs and tissues (such as the liver, urinary and female reproductive system) involved with primary intestinal disease.

Also ListedSurgeryTaxonomy 208600000X · License MD28214 (OR)
4805 NE GLISAN ST, Portland, OR 97213

Secondary Practice Location 1

Location 111000 SW Stratus St Ste 205Beaverton, OR 97008-7104 · Phone (503) 281-0561 · Fax (503) 416-7377

Other Identifiers 2

Medicaid272697OR
Medicaid8508939WA

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Dr. David Patrick O'brien Iv Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID446205876
PECOS Enrollment IDI20080630000256
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 6

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Diagnostic exam of rectum and lower large bowel using an endoscope 45300
This procedure, known as a sigmoidoscopy, involves using a thin, flexible instrument called an endoscope to examine your lower large bowel and rectum. This helps in identifying any abnormalities or issues that could affect your digestive health.
35 services35 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
28 services24 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
25 services22 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
22 services22 patients
New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205
This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.
16 services16 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
11 services11 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Providence Portland Medical Center

Acute Care Hospitals · Portland, OR
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number380061
Location4805 NE Glisan StreetPortland, OR 97213 · Multnomah County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 97213 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$90.51 typical visit price
range $58.99 – $176.88
Typical copayment $22.62 (range $14.74 – $44.22)
Most-billed visit code 99203
Established Patient
$73.28 typical visit price
range $19.32 – $144.79
Typical copayment $18.32 (range $4.83 – $36.19)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Referred Medical Equipment & Supplies CMS DME claims 6

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Ostomy skin barrier, liquid (spray, brush, etc.), per oz A4369
DME-Orthotic Devices · category DF010N
3 suppliers12 claims29 services$2.00 avg. paid by Medicare
Ostomy skin barrier, solid 4 x 4 or equivalent, extended wear, without built-in convexity, each A4385
DME-Orthotic Devices · category DF010N
4 suppliers30 claims970 services$4.67 avg. paid by Medicare
Ostomy skin barrier, with flange (solid, flexible or accordion), extended wear, without built-in convexity, 4 x 4 inches or smaller, each A4409
DME-Orthotic Devices · category DF010N
3 suppliers18 claims575 services$5.36 avg. paid by Medicare
Adhesive remover, wipes, any type, each A4456
DME-Medical/Surgical Supplies · category DA000N
5 suppliers21 claims2,016 services$0.23 avg. paid by Medicare
Ostomy pouch, drainable, with extended wear barrier attached, with built in convexity, with filter, (1 piece), each A5057
DME-Orthotic Devices · category DF010N
3 suppliers16 claims540 services$8.60 avg. paid by Medicare
Skin barrier, wipes or swabs, each A5120
DME-Orthotic Devices · category DF010N
4 suppliers11 claims475 services$0.20 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Internal Medicine
4805 NE GLISAN ST
PORTLAND, OR 97213
General Acute Care Hospital
4805 NE GLISAN ST
PORTLAND, OR 97213
Emergency Medicine
4805 NE GLISAN ST
PORTLAND, OR 97213
Nurse Anesthetist, Certified Registered
4805 NE GLISAN ST
PORTLAND, OR 97213
Psychiatric Unit
4805 NE GLISAN ST
PORTLAND, OR 97213
Hospitalist
4805 NE GLISAN ST, STE BG05
PORTLAND, OR 97213
Doula
4805 NE GLISAN ST
PORTLAND, OR 97213
Nurse's Aide
4805 NE GLISAN ST
PORTLAND, OR 97213

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is David O'brien's NPI number?

The NPI number for David O'brien is 1669440350. It was assigned to this individual provider in the NPPES registry on March 9, 2006.

Where is David O'brien located?

David O'brien practices at 4805 NE Glisan St Suite 6n60, Portland, OR 97213. The listed phone number is (503) 281-0561.

What is David O'brien's specialty?

The primary specialty registered for this NPI is Colon & Rectal Surgery with taxonomy code 208C00000X.

Is David O'brien enrolled in Medicare?

Yes. David O'brien is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does David O'brien accept?

Health plans from BridgeSpan Health Company, Moda Health Plan, Inc., PacificSource Health Plans, Providence Health Plan and Regence BlueCross BlueShield of Oregon list David O'brien as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is David O'brien affiliated with any hospitals?

According to CMS data, David O'brien is affiliated with Providence Portland Medical Center.

When was this NPI record last updated?

The NPPES record for David O'brien was last updated on May 14, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.