SCOTT CHADDERDON MD
NPI 1811068752
Internal Medicine - Cardiovascular Disease in Portland, OR
About Scott Chadderdon Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SCOTT CHADDERDON MD (NPI 1811068752) is an individual cardiovascular disease provider in Portland, Oregon, licensed in Oregon (MD25480) and active in the NPI registry since November 2006. He is enrolled in Medicare PECOS, is affiliated with Ohsu Hospital And Clinics, and is a graduate of Jefferson Medical College Of Thomas Jefferson University (2002).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 3
Accepted Insurance
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
Scott Chadderdon 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.
Medicare Billing Reassignments
2Medicare enrollment records show Scott Chadderdon reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Portland, OR 97239
- Reassigned Medicare billing, Oregon enrollment
- 2,212 clinicians in this Medicare group
Portland, OR 97209
- Reassigned Medicare billing, Oregon enrollment
- 3,207 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 11
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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Ohsu Hospital And Clinics
Acute Care Hospitals · Portland, ORHillsboro Medical Center
Acute Care Hospitals · Hillsboro, ORPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 97239 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 97239
PORTLAND, OR 97239
PORTLAND, OR 97239
PORTLAND, OR 97239
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 Scott Chadderdon's NPI number?
The NPI number for Scott Chadderdon is 1811068752. It was assigned to this individual provider in the NPPES registry on November 13, 2006.
Where is Scott Chadderdon located?
Scott Chadderdon practices at 3181 SW Sam Jackson Park Rd, Portland, OR 97239. The listed phone number is (503) 494-8750.
What is Scott Chadderdon's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.
Is Scott Chadderdon enrolled in Medicare?
Yes. Scott Chadderdon 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 Scott Chadderdon's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Scott Chadderdon reassigns Medicare benefits to 2 organizations: University Professional Services (Portland, OR) and Kaiser Foundation Health Plan Of The Northwest (Portland, 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 Scott Chadderdon's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Scott Chadderdon accept?
Health plans from Kaiser Permanente, Moda Health Plan, Inc., PacificSource Health Plans and Providence Health Plan list Scott Chadderdon as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Scott Chadderdon affiliated with any hospitals?
According to CMS data, Scott Chadderdon is affiliated with Ohsu Hospital And Clinics and Hillsboro Medical Center.
When was this NPI record last updated?
The NPPES record for Scott Chadderdon was last updated on December 10, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.