JASON R LEONG D.O.
NPI 1982623674
Internal Medicine - Critical Care Medicine in Portland, OR
About Jason R Leong D.o. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JASON R LEONG D.O. (NPI 1982623674) is an individual critical care medicine provider in Portland, Oregon, licensed in Oregon (DO26699) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, is affiliated with Legacy Emanuel Medical Center, and is a graduate of Chicago College Of Osteopathy (2001).
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 and accepts Medicare assignment
Jason R Leong D.o. 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.
Medicare Billing Reassignments
3Medicare enrollment records show Jason Leong reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Portland, OR 97227
- Reassigned Medicare billing, Oregon and Washington enrollments
- Also billed through NPI 1184786527 (Washington)
- 3,207 clinicians in this Medicare group
Portland, OR 97210
- Reassigned Medicare billing, Oregon enrollment
- 1,248 clinicians in this Medicare group
Vancouver, WA 98686
- Reassigned Medicare billing, Washington enrollment
- 754 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
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.
Hospital Affiliations CMS Care Compare 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Legacy Emanuel Medical Center
Acute Care Hospitals · Portland, ORLegacy Good Samaritan Medical Center
Acute Care Hospitals · Portland, ORLegacy Meridian Park Medical Center
Acute Care Hospitals · Tualatin, ORLegacy Salmon Creek Medical Center
Acute Care Hospitals · Vancouver, WAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 97227 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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.
PORTLAND, OR 97227
PORTLAND, OR 97227
PORTLAND, OR 97227
PORTLAND, OR 97227
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 Jason Leong's NPI number?
The NPI number for Jason Leong is 1982623674. It was assigned to this individual provider in the NPPES registry on July 19, 2006.
Where is Jason Leong located?
Jason Leong practices at 2801 N Gantenbein Ave, Portland, OR 97227. The listed phone number is (503) 413-2200.
What is Jason Leong's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Critical Care Medicine, with taxonomy code 207RC0200X.
Is Jason Leong enrolled in Medicare?
Yes. Jason Leong 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.
Which organizations bill Medicare for Jason Leong's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Jason Leong reassigns Medicare benefits to 3 organizations: Kaiser Foundation Health Plan Of The Northwest (Portland, OR), Legacy Clinics LLC (Portland, OR) and Legacy Salmon Creek Hospital (Vancouver, 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 Jason Leong's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Jason Leong affiliated with any hospitals?
According to CMS data, Jason Leong is affiliated with Legacy Emanuel Medical Center, Legacy Good Samaritan Medical Center, Legacy Meridian Park Medical Center and Legacy Salmon Creek Medical Center.
When was this NPI record last updated?
The NPPES record for Jason Leong was last updated on February 4, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.