Doctor profile · Federal record

Dr. Ewen Harrison, MD

Family Medicine Physician (CMS: Family Practice) · Student in an Organized Health Care Education/Training Program · Clackamas, OR

  • NPI 1841647559
  • Accepts Medicare
  • 10 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
9290 Se Sunnybrook Blvd Ste 120
Clackamas, OR 970156802
(503) 215-2110
Additional location
10330 Se 32Nd Ave, Ste 250
Milwaukie, OR 972226587
(503) 513-8950
Mailing address
Po Box 3158
Portland, OR 972083158

Credentials & registration

NPPES · NUCC
NPI registered
May 2016 — 10 yrs on file
Profile last updated
March 11, 2021
Year of graduation
2016 — 10 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State licenses (2)
Oregon #MD193244 · Oregon #PG187071

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1841647559. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
249
Distinct HCPCS
6
Medicare allowed
$20,661
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 135 94 $86
99214 Established patient office or other outpatient visit, 30-39 minutes 46 38 $108
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 21 21 $46
83036 Hemoglobin a1c level 18 14 $10
99215 Established patient office or other outpatient visit, 40-54 minutes 18 16 $146
G0008 Administration of influenza virus vaccine 11 11 $31

In context: peer comparison

Among 12 peers in Clackamas Family Medicine Physician, average services per provider: 50. This provider delivers 5.0× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,615
Patients
483
Total drug cost
$86,112
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 261 88 $4,111
Losartan Potassium Generic 166 55 $3,062
Lisinopril Generic 152 55 $1,459
Amlodipine Besylate Generic 142 44 $1,040
Levothyroxine Sodium Generic 141 36 $2,718
Metoprolol Succinate Generic 117 37 $2,495
Omeprazole Generic 93 28 $2,242
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 84 16 $2,697
Hydrochlorothiazide Generic 80 28 $359
Trazodone Hcl Generic 79 24 $1,468

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Ewen Harrison's medical specialty?
Dr. Ewen Harrison practices Family Medicine Physician in Clackamas, OR.
Where does Dr. Ewen Harrison practice?
Dr. Ewen Harrison practices at 9290 Se Sunnybrook Blvd Ste 120, Clackamas, OR 970156802. Office phone: 5032152110.
What is Dr. Ewen Harrison's NPI?
Dr. Ewen Harrison's National Provider Identifier (NPI) is 1841647559, issued by NPPES.
Does Dr. Ewen Harrison accept Medicare assignment?
Yes. Dr. Ewen Harrison accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ewen Harrison commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439). Source: CMS Medicare Physician & Other Practitioners file.