NPPES file of Aug 9, 2026

Madeline Marie Shelton Ryan, MD

Emergency Medicine Physician · Portland, OR

Madeline Marie Shelton Ryan, MD is an emergency medicine physician with a practice address in Portland, Oregon, and NPI 1912657362, issued on Mar 28, 2022. Check the license (Oregon MD223846, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1912657362
Name
Madeline Marie Shelton Ryan
Credential
MD
Primary taxonomy
Emergency Medicine Physician 207P00000X
License number
MD223846 OR
Self-reported in NPPES; status is on the state search
Practice location
3181 SW Sam Jackson Park RD, Portland, OR 97239
Phone
(503) 494-8211
Enumerated
Mar 28, 2022
Record last updated
Aug 8, 2025
Medicare enrollment
Enrolled (PECOS I20250804003152); accepts Medicare assignment
Medical or professional school
University Of Kentucky College Of Medicine, 2022
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 3181 SW Sam Jackson Park RD

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Alex AamodtCritical Care Medicine Registered Nurse1154257590
  2. Jefferson Abaricia, MD, PHDStudent in an Organized Health Care Education/Training Program1073215711
  3. Kenneth Abbey, MDAnesthesiology Physician1588779342
  4. Matthew Abbott, PA-CMedical Physician Assistant1154738003
  5. Ayah Abdelsalam Megahed, MD, MSCVascular & Interventional Radiology Physician1023503596
  6. Obada Abdulrazzak, MDStudent in an Organized Health Care Education/Training Program1598567430

Verify Madeline Marie Shelton Ryan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersOregon Medical Board
    Search for license MD223846
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Oregon license search

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75% fewer Medicare Part D claims than the average emergency medicine physician in 2024

56 Medicare Part D claims for 37 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.

  1. Madeline Ryan56
  2. Specialty average226

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Bills Medicare through 2 group practices

  1. Emergency Medicine Specialists, LLCOregon City, OR
  2. University Professional ServicesPortland, OR

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Madeline Marie Shelton Ryan among 1,079 emergency medicine physician records in Oregon

Madeline Marie Shelton Ryan, MD is one of 1,079 emergency medicine physician records with a practice address in Oregon. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 97% of them.

  • NPI issued2022 · 97% of these records are older, 1% newer
  • In a Medicare fileYes · 77% of these records are
  • In the CMS Doctors and Clinicians fileYes · 52% of these records are
  • Graduated2022 · median 2013 among the 557 with a school on file
  • Record last updated2025 · 57% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Emergency Medicine Physician providers in Oregon

There are 1,079 emergency medicine physician records in Oregon.

The 8 emergency medicine physician records with the nearest ZIP codes

  1. James Bryan, MD, PHDPortland, OR 972391083618524
  2. Esther Choo, MDPortland, OR 972391598746166
  3. Mohamud Daya, MD, M SPortland, OR 972391629073895
  4. Jermaine Foster, MDPortland, OR 972391417925199
  5. William Goodhue, MDPortland, OR 972391316976905
  6. Jerris Hedges, MD, MS, MMMPortland, OR 972391972506301
  7. Brandon Horowitz, M.D.Portland, OR 972391720082357
  8. Richard Ismach, MDPortland, OR 972391780688556

Common questions

What is Madeline Marie Shelton Ryan, MD's NPI number?

Madeline Marie Shelton Ryan, MD's National Provider Identifier (NPI) is 1912657362, issued on Mar 28, 2022. An NPI identifies a provider in billing; it is not a license.

Where is Madeline Marie Shelton Ryan, MD located?

The NPPES record lists a practice address at 3181 SW Sam Jackson Park RD, Portland, OR, 97239. Phone: (503) 494-8211. Providers update this record themselves, so call before visiting.

How can I verify Madeline Marie Shelton Ryan, MD's license?

NPPES lists Oregon license number MD223846, as entered by the provider. Search the Oregon Medical Board at https://www.oregon.gov/OMB/Pages/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Madeline Marie Shelton Ryan, MD prescribe under Medicare Part D?

In 2024, Madeline Marie Shelton Ryan, MD had 56 Medicare Part D claims for 37 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.