DR. WILL LARISON M.D.
NPI 1639517469
Radiology - Diagnostic Radiology in Portland, OR
About Dr. Will Larison M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. WILL LARISON M.D. (NPI 1639517469) is an individual diagnostic radiology provider in Portland, Oregon, licensed in Wisconsin (63933) and active in the NPI registry since June 2013. He is enrolled in Medicare PECOS, is affiliated with Providence St Vincent Medical Center, and maintains a secondary practice location in Madison.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Other Identifiers 1
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
Dr. Will Larison M.d. 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 Will Larison reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Portland, OR 97225
- Reassigned Medicare billing, Oregon enrollment
- 37 clinicians in this Medicare group
Hillsboro, OR 97124
- Reassigned Medicare billing, Oregon enrollment
- 37 clinicians in this Medicare group
Tigard, OR 97224
- Reassigned Medicare billing, Oregon enrollment
- 39 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 41
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 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Providence St Vincent Medical Center
Acute Care Hospitals · Portland, ORProvidence Newberg Medical Center
Acute Care Hospitals · Newberg, ORProvidence Portland Medical Center
Acute Care Hospitals · Portland, ORProvidence Seaside Hospital
Critical Access Hospitals · Seaside, ORProvidence Hood River Memorial Hospital
Critical Access Hospitals · Hood River, ORPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 97225 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 97225
PORTLAND, OR 97225
PORTLAND, OR 97225
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 Will Larison's NPI number?
The NPI number for Will Larison is 1639517469. It was assigned to this individual provider in the NPPES registry on June 14, 2013.
Where is Will Larison located?
Will Larison practices at 9205 SW Barnes Rd, Portland, OR 97225. The listed phone number is (503) 216-4830.
What is Will Larison's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.
Is Will Larison enrolled in Medicare?
Yes. Will Larison 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 Will Larison's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Will Larison reassigns Medicare benefits to 3 organizations: Trg, LLC (Portland, OR), Center For Medical Imaging LLC (Hillsboro, OR) and Bridgeport Medical Imaging, LLC (Tigard, OR). 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 Will Larison's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Will Larison affiliated with any hospitals?
According to CMS data, Will Larison is affiliated with Providence St Vincent Medical Center, Providence Newberg Medical Center, Providence Portland Medical Center, Providence Seaside Hospital and Providence Hood River Memorial Hospital.
When was this NPI record last updated?
The NPPES record for Will Larison was last updated on June 25, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.