MADELINE IONA HOON DO
NPI 1144970633
Internal Medicine in Oregon City, OR
About Madeline Iona Hoon Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MADELINE IONA HOON DO (NPI 1144970633) is an individual internal medicine provider in Oregon City, Oregon, licensed in Oregon (DO223792) and active in the NPI registry since March 2022. She is enrolled in Medicare PECOS, is affiliated with Providence Willamette Falls Medical Center, and is a graduate of Arizona College Of Osteopathic Medicine Mid Western University (2022).
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
Madeline Iona Hoon Do 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 Reassignment
Medicare enrollment records show Madeline Hoon reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Oregon City, OR 97045
- Reassigned Medicare billing, Oregon enrollment
- 1,501 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.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Providence Willamette Falls Medical Center
Acute Care Hospitals · Oregon City, ORProvidence Milwaukie Hospital
Acute Care Hospitals · Milwaukie, ORPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 97045 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.
OREGON CITY, OR 97045
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 Madeline Hoon's NPI number?
The NPI number for Madeline Hoon is 1144970633. It was assigned to this individual provider in the NPPES registry on March 27, 2022.
Where is Madeline Hoon located?
Madeline Hoon practices at 1500 Division St, Oregon City, OR 97045. The listed phone number is (503) 650-6270.
What is Madeline Hoon's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Madeline Hoon enrolled in Medicare?
Yes. Madeline Hoon 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 organization bills Medicare for Madeline Hoon's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Madeline Hoon reassigns Medicare benefits to Providence Health & Services - Oregon (Oregon City, OR). The 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 Madeline Hoon's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Madeline Hoon affiliated with any hospitals?
According to CMS data, Madeline Hoon is affiliated with Providence Willamette Falls Medical Center and Providence Milwaukie Hospital.
When was this NPI record last updated?
The NPPES record for Madeline Hoon was last updated on September 10, 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.
# Madeline Iona Hoon, DO · NPI 1144970633
Internal Medicine physician in Oregon City, Oregon. Individual provider, active in the CMS NPPES registry since March 27, 2022.
## Identity
- **NPI:** 1144970633 (Entity type: Individual)
- **Enumerated:** March 27, 2022
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** DO223792 (Oregon)
- **Sole proprietor:** No
## Practice location
- **Address:** 1500 DIVISION ST, Oregon City, OR 97045-1527
- **Phone:** (503) 650-6270
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Providence Health & Services - Oregon (NPI 1396067773, Oregon City, OR), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Arizona College Of Osteopathic Medicine Mid Western University, class of 2022
## Record status
- **NPPES last updated:** September 10, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1144970633) · Data from the CMS NPPES public registry.