DR. MADELINE MARIE SHELTON RYAN MD
NPI 1912657362
Emergency Medicine in Portland, OR
About Dr. Madeline Marie Shelton Ryan Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MADELINE MARIE SHELTON RYAN MD (NPI 1912657362) is an individual emergency medicine provider in Portland, Oregon, licensed in Oregon (MD223846) and active in the NPI registry since March 2022. She is enrolled in Medicare PECOS, is affiliated with Ohsu Hospital And Clinics, and maintains a secondary practice location in Oregon City.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 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. Madeline Marie Shelton Ryan 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
3Medicare enrollment records show Madeline Ryan reassigns Medicare billing to 3 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
Oregon City, OR 97045
- Reassigned Medicare billing, Oregon enrollment
- 35 clinicians in this Medicare group
Oregon City, OR 97045
- Reassigned Medicare billing, Oregon enrollment
- 206 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.
Ohsu Hospital And Clinics
Acute Care Hospitals · Portland, ORProvidence Willamette Falls Medical Center
Acute Care Hospitals · Oregon City, 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.
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 Madeline Ryan's NPI number?
The NPI number for Madeline Ryan is 1912657362. It was assigned to this individual provider in the NPPES registry on March 28, 2022.
Where is Madeline Ryan located?
Madeline Ryan practices at 3181 SW Sam Jackson Park Rd, Portland, OR 97239. The listed phone number is (503) 494-8211.
What is Madeline Ryan's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Madeline Ryan enrolled in Medicare?
Yes. Madeline Ryan 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 Madeline Ryan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Madeline Ryan reassigns Medicare benefits to 3 organizations: University Professional Services (Portland, OR), Emergency Medicine Specialists LLC (Oregon City, OR) and Providence Health & Services - Oregon (Oregon City, 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 Madeline Ryan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Madeline Ryan affiliated with any hospitals?
According to CMS data, Madeline Ryan is affiliated with Ohsu Hospital And Clinics and Providence Willamette Falls Medical Center.
When was this NPI record last updated?
The NPPES record for Madeline Ryan was last updated on August 8, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.
# Dr. Madeline Marie Shelton Ryan, MD · NPI 1912657362
Emergency Medicine physician in Portland, Oregon. Individual provider, active in the CMS NPPES registry since March 28, 2022.
## Identity
- **NPI:** 1912657362 (Entity type: Individual)
- **Enumerated:** March 28, 2022
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** MD223846 (Oregon)
- **Sole proprietor:** No
## Practice location
- **Address:** 3181 SW SAM JACKSON PARK RD, Portland, OR 97239-3098
- **Phone:** (503) 494-8211
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): University Professional Services (NPI 1376709535, Portland, OR); Emergency Medicine Specialists LLC (NPI 1851434815, Oregon City, OR); Providence Health & Services - Oregon (NPI 1003368911, Oregon City, OR) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Kentucky College Of Medicine, class of 2022
## Record status
- **NPPES last updated:** August 8, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1912657362) · Data from the CMS NPPES public registry.