Doctor profile · Federal record

Dr. Averill Guo, MD

Gastroenterology Physician (CMS: Gastroenterology) · Clackamas, OR

  • NPI 1407353808
  • Accepts Medicare
  • 8 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
9900 Se Sunnyside RD
Clackamas, OR 970159777
(503) 571-8240

Credentials & registration

NPPES · NUCC
NPI registered
April 2018 — 8 yrs on file
Profile last updated
July 21, 2025
Year of graduation
2018 — 8 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State license (1)
Oregon #MD225737

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1407353808. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$83
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Lilly USA, LLC 1 $83.31

By nature of payment

Food and Beverage
$83

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
111
Patients
22
Total drug cost
$18,789
Drug Type Claims Patients Total cost
Omeprazole Generic 33 22 $790
Sucralfate Generic 23 0 $1,626
Azathioprine Generic 16 0 $394
Prednisone Generic 14 0 $70
Ursodiol Generic 13 0 $4,224
Creon (Lipase/Protease/Amylase) Brand 12 0 $11,685

Frequently asked questions

Auto-generated from federal data
What is Dr. Averill Guo's medical specialty?
Dr. Averill Guo practices Gastroenterology Physician in Clackamas, OR.
Where does Dr. Averill Guo practice?
Dr. Averill Guo practices at 9900 Se Sunnyside RD, Clackamas, OR 970159777. Office phone: 5035718240.
What is Dr. Averill Guo's NPI?
Dr. Averill Guo's National Provider Identifier (NPI) is 1407353808, issued by NPPES.
Does Dr. Averill Guo accept Medicare assignment?
Yes. Dr. Averill Guo accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.