AVERILL GUO MD
NPI 1407353808
Internal Medicine - Gastroenterology in Clackamas, OR
About Averill Guo Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
AVERILL GUO MD (NPI 1407353808) is an individual gastroenterology provider in Clackamas, Oregon, licensed in Oregon (MD225737) and active in the NPI registry since April 2018. He is enrolled in Medicare PECOS, is affiliated with Kaiser Sunnyside Medical Center, and is a graduate of Columbia University College Of Physicians And Surgeons (2018).
NPPES Registry Identity
Specialties & Licenses
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
Averill Guo 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.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Kaiser Sunnyside Medical Center
Acute Care Hospitals · Clackamas, ORKaiser Foundation Hospital Westside
Acute Care Hospitals · Hillsboro, ORPhysician 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.
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.
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 Averill Guo's NPI number?
The NPI number for Averill Guo is 1407353808. It was assigned to this individual provider in the NPPES registry on April 11, 2018.
Where is Averill Guo located?
Averill Guo practices at 9900 SE Sunnyside Rd, Clackamas, OR 97015. The listed phone number is (503) 571-8240.
What is Averill Guo's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.
Is Averill Guo enrolled in Medicare?
Yes. Averill Guo 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.
Is Averill Guo affiliated with any hospitals?
According to CMS data, Averill Guo is affiliated with Kaiser Sunnyside Medical Center and Kaiser Foundation Hospital Westside.
When was this NPI record last updated?
The NPPES record for Averill Guo was last updated on July 21, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 months 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.
# Averill Guo, MD · NPI 1407353808
Gastroenterology physician in Clackamas, Oregon. Individual provider, active in the CMS NPPES registry since April 11, 2018.
## Identity
- **NPI:** 1407353808 (Entity type: Individual)
- **Enumerated:** April 11, 2018
- **Primary specialty:** Internal Medicine - Gastroenterology · taxonomy 207RG0100X
- **State license:** MD225737 (Oregon)
- **Sole proprietor:** No
## Practice location
- **Address:** 9900 SE SUNNYSIDE RD, Clackamas, OR 97015-9777
- **Phone:** (503) 571-8240
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Medical school:** Columbia University College Of Physicians And Surgeons, class of 2018
## Record status
- **NPPES last updated:** July 21, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1407353808) · Data from the CMS NPPES public registry.