Doctor profile · Federal record

Dr. Phillip Kiyasu, MD

Gastroenterology Physician · Gastroenterology Physician · Portland, OR

  • NPI 1124010673
  • 21 yrs on file
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
1111 Ne 99Th Ave, Suite 301
Portland, OR 972209428
(503) 963-2707
fax (503) 963-2802
Additional location
9300 Se 91St Ave Ste 300
Clackamas, OR 970863762
Mailing address
541 Ne 20Th Ave Ste 225
Portland, OR 972322895

Credentials & registration

NPPES · NUCC
NPI registered
August 2005 — 21 yrs on file
Profile last updated
November 4, 2024
Specialty taxonomy
207RG0100X — NUCC code
State licenses (2)
Oregon #MD18844 · Washington #MD60293921
Medicaid (2)
OR #065607 · WA #8206922

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1124010673. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
4,485
Distinct HCPCS
9
Medicare allowed
$122,272
HCPCS Description Services Patients Avg allowed
J3380 Injection, vedolizumab, 1 mg 4,203 12 $22
88305 Pathology examination of tissue using a microscope, intermediate complexity 82 63 $37
99214 Established patient office or other outpatient visit, 30-39 minutes 42 35 $130
45380 Biopsy of large bowel using a flexible endoscope 36 36 $157
99213 Established patient office or other outpatient visit, 20-29 minutes 36 33 $92
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 25 24 $250
99204 New patient office or other outpatient visit, 45-59 minutes 23 23 $169
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 20 19 $113
96365 Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less 18 14 $68

In context: peer comparison

Among 45 peers in Portland Gastroenterology Physician, average services per provider: 59. This provider delivers 76× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$35
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
GlaxoSmithKline, LLC. 1 $35.32

By nature of payment

Food and Beverage
$35

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
326
Patients
165
Total drug cost
$30,099
Drug Type Claims Patients Total cost
Gavilyte-G (Peg3350/Sod Sulf,Bicarb,Cl/Kcl) Brand 138 135 $2,734
Pantoprazole Sodium Generic 35 0 $799
Mesalamine Generic 22 0 $17,115
Omeprazole Generic 17 0 $358
Gavilyte-C (Peg3350/Sod Sulf,Bicarb,Cl/Kcl) Brand 16 15 $346
Peg-3350 and Electrolytes (Peg3350/Sod Sulf,Bicarb,Cl/Kcl) Brand 15 15 $281
Dicyclomine Hcl Generic 14 0 $280
Ursodiol Generic 13 0 $1,511
Lansoprazole Generic 12 0 $150
Budesonide Dr (Budesonide) Brand 11 0 $1,893

Frequently asked questions

Auto-generated from federal data
What is Dr. Phillip Kiyasu's medical specialty?
Dr. Phillip Kiyasu practices Gastroenterology Physician in Portland, OR.
Where does Dr. Phillip Kiyasu practice?
Dr. Phillip Kiyasu practices at 1111 Ne 99Th Ave, Portland, OR 972209428. Office phone: 5039632707.
What is Dr. Phillip Kiyasu's NPI?
Dr. Phillip Kiyasu's National Provider Identifier (NPI) is 1124010673, issued by NPPES.
What procedures does Dr. Phillip Kiyasu commonly perform?
Top Medicare-reported procedures in 2023: Injection, vedolizumab, 1 mg (HCPCS J3380); Pathology examination of tissue using a microscope, intermediate complexity (HCPCS 88305); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.