EWEN J HARRISON MD
NPI 1841647559
Family Medicine in Clackamas, OR

Active since May 23, 2016PECOS EnrolledAccepts Medicare Assignment
9290 SE SUNNYBROOK BLVD STE 120, CLACKAMAS, OR 97015(503) 215-2110 Get Directions Write a Review

NPPES record last updated: March 11, 2021. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Mar 11, 2021, Nov 4, 2019 (2 updates tracked since 2019).

About Ewen J Harrison Md NPPES

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

EWEN J HARRISON MD (NPI 1841647559) is an individual family medicine provider in Clackamas, Oregon, licensed in Oregon (MD193244) and active in the NPI registry since May 2016. He is enrolled in Medicare PECOS, is affiliated with Providence Willamette Falls Medical Center, and maintains a secondary practice location in Milwaukie.

NPPES Registry Identity

NPI1841647559
Entity TypeIndividualMale
Primary Taxonomy207Q00000X
Provider Legal NameEWEN J HARRISONCredential: MD
Location Address9290 SE SUNNYBROOK BLVD STE 120Clackamas, OR 97015-6802
Mailing AddressPo Box 3158Portland, OR 97208-3158
Sole ProprietorNo
Medical School CMSUniversity Of New Mexico School Of MedicineGraduated 2016
Enumeration DateMay 23, 2016
Last NPPES UpdateMarch 11, 20212 updates tracked since enumeration
NPPES CertifiedMarch 11, 2021
✔ NPI 1841647559 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License✔ Licensed in OR · MD193244
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X · License PG187071 (OR)
9290 SE SUNNYBROOK BLVD STE 120, Clackamas, OR 97015

Secondary Practice Location 1

Location 110330 SE 32nd Ave, STE 250Milwaukie, OR 97222-6587 · Phone (503) 513-8950

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Ewen J Harrison 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 ID3779877378
PECOS Enrollment IDI20190805000782
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.

Medicare Billing Reassignments

2

Medicare enrollment records show Ewen Harrison reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Family Medicine
9290 SE SUNNYBROOK BLVD, SUITE 120
Clackamas, OR 97015
  • Reassigned Medicare billing, Oregon enrollment
  • 1,501 clinicians in this Medicare group
General Acute Care Hospital
4805 NE GLISAN ST
Portland, OR 97213
  • Reassigned Medicare billing, Oregon enrollment
  • 676 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 5

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.

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.
138 services97 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.
39 services30 patients
Hemoglobin a1c level 83036
Hemoglobin A1c (HbA1c) is a test that measures your average blood sugar level over the past 2-3 months. It's used to monitor how well diabetes is being controlled. High levels may indicate that your diabetes treatment plan needs adjustment.
36 services17 patients
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439
An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.
22 services22 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.
14 services14 patients

Hospital Affiliations CMS Care Compare 3

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

Providence Willamette Falls Medical Center

Acute Care Hospitals · Oregon City, OR
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number380038
Location1500 Division StreetOregon City, OR 97045 · Clackamas County
Emergency services Birthing friendly

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

Providence Milwaukie Hospital

Acute Care Hospitals · Milwaukie, OR
4/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number380082
Location10150 SE 32nd AvenueMilwaukie, OR 97222 · Clackamas County

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 97015 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
$103.51 typical visit price
range $19.32 – $144.79
Typical copayment $25.87 (range $4.83 – $36.19)
Most-billed visit code 99214
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 3

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

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
5 suppliers15 claims47 services$5.24 avg. paid by Medicare
Nasal interface (mask or cannula type) used with positive airway pressure device, with or without head strap A7034
DME-Other DME · category DE001N
3 suppliers11 claims11 services$46.34 avg. paid by Medicare
Supply allowance for therapeutic continuous glucose monitor (cgm), includes all supplies and accessories, 1 month supply = 1 unit of service K0553
DME-Other DME · category DE017N
1 supplier11 claims11 services$185.46 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 13

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

Physical Therapist
9290 SE SUNNYBROOK BLVD STE 120
CLACKAMAS, OR 97015
Family Medicine
9290 SE SUNNYBROOK BLVD STE 120
CLACKAMAS, OR 97015
Psychologist (Clinical)
9290 SE SUNNYBROOK BLVD STE 120
CLACKAMAS, OR 97015
Physician Assistant
9290 SE SUNNYBROOK BLVD STE 120
CLACKAMAS, OR 97015
Dietitian, Registered
9290 SE SUNNYBROOK BLVD STE 120
CLACKAMAS, OR 97015
Family Medicine
9290 SE SUNNYBROOK BLVD STE 120
CLACKAMAS, OR 97015
Pediatrics
9290 SE SUNNYBROOK BLVD STE 120
CLACKAMAS, OR 97015
Pediatrics
9290 SE SUNNYBROOK BLVD STE 120
CLACKAMAS, OR 97015

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 Ewen Harrison's NPI number?

The NPI number for Ewen Harrison is 1841647559. It was assigned to this individual provider in the NPPES registry on May 23, 2016.

Where is Ewen Harrison located?

Ewen Harrison practices at 9290 SE Sunnybrook Blvd Ste 120, Clackamas, OR 97015. The listed phone number is (503) 215-2110.

What is Ewen Harrison's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Ewen Harrison enrolled in Medicare?

Yes. Ewen Harrison 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.

Which organizations bill Medicare for Ewen Harrison's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Ewen Harrison reassigns Medicare benefits to 2 organizations: Providence Health & Services Oregon (Clackamas, OR) and Providence Health & Services - Oregon (Portland, OR). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Ewen Harrison's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Ewen Harrison accept?

Health plans from Providence Health Plan list Ewen Harrison 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 Ewen Harrison affiliated with any hospitals?

According to CMS data, Ewen Harrison is affiliated with Providence Willamette Falls Medical Center, Providence Portland Medical Center and Providence Milwaukie Hospital.

When was this NPI record last updated?

The NPPES record for Ewen Harrison was last updated on March 11, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.