DR. ANDREW JASON TREGO M.D.
NPI 1053439331
Internal Medicine in Portland, OR
About Dr. Andrew Jason Trego M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ANDREW JASON TREGO M.D. (NPI 1053439331) is an individual internal medicine provider in Portland, Oregon, licensed in Kansas (04-21396) and active in the NPI registry since March 2007. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Andrew Jason Trego M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
4Medicare enrollment records show Andrew Trego reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Salem, OR 97305
- Reassigned Medicare billing, Texas enrollment
- 22 clinicians in this Medicare group
Omak, WA 98841
- Reassigned Medicare billing, Texas enrollment
- 21 clinicians in this Medicare group
Nespelem, WA 99155
- Reassigned Medicare billing, Texas enrollment
- 25 clinicians in this Medicare group
Wellpinit, WA 99040
- Reassigned Medicare billing, Texas enrollment
- 8 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 6
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 97209 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 Andrew Trego's NPI number?
The NPI number for Andrew Trego is 1053439331. It was assigned to this individual provider in the NPPES registry on March 26, 2007.
Where is Andrew Trego located?
Andrew Trego practices at 1414 NW Northrup St Ste 800, Portland, OR 97209. The listed phone number is (503) 414-5599.
What is Andrew Trego's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Andrew Trego enrolled in Medicare?
Yes. Andrew Trego is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Andrew Trego's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Andrew Trego reassigns Medicare benefits to 4 organizations: Chemawa Indian Health Center Dhhs Ihs Western Oregon Serv Unit (Salem, OR), Omak Tribal Health Clinic (Omak, WA), Dhhs Ihs Colville Service Unit (Nespelem, WA) and David C Wynecoop Memorial Clinic Dhhs Ihs Wellpinit Service Unit (Wellpinit, WA). 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 Andrew Trego's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Andrew Trego was last updated on February 10, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.