NPPES file of Aug 9, 2026

Ryan Erdwins, DO

Pediatrics Physician · Portland, OR

Ryan Erdwins, DO is a pediatrics physician with a practice address in Portland, Oregon, and NPI 1538736939, issued on Jun 5, 2021. Check the license (Oregon DO224522, 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 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1538736939
Name
Ryan Erdwins
Credential
DO
Primary taxonomy
Pediatrics Physician 208000000X
License number
DO224522 OR
Self-reported in NPPES; status is on the state search
Practice location
9205 SW Barnes RD, Portland, OR 97225
Phone
(503) 216-2906
Enumerated
Jun 5, 2021
Record last updated
Nov 14, 2025
Medicare enrollment
Enrolled (PECOS I20251021003823); accepts Medicare assignment
Medical or professional school
Pacific Nw Un Of Hs, Col Of Osteopathic Medicine, 2021
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 9205 SW Barnes RD

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

  1. Darshan Acharya, M.D.Diagnostic Radiology Physician1033173638
  2. Daniel Addy, C.R.N.A.Certified Registered Nurse Anesthetist1003929795
  3. Alexis Amatisto, DOInternal Medicine Physician1386263580
  4. Maria Ampomah, M.S. CCC-SLPSpeech-Language Pathologist1871049940
  5. Christopher Andersen, RNRegistered Nurse1164343323
  6. Christopher Andrews, M.D.Emergency Medicine Physician1124113808

Verify Ryan Erdwins in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersOregon Medical Board
    Search for license DO224522
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through one group practice

  1. Providence Health And Services OregonPortland, OR

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

Pediatrics Physician providers in Oregon

There are 861 pediatrics physician records in Oregon.

Other pediatrics physician records in Oregon

  1. Pradeep Adumala, MDConyngham, OR1770983272
  2. Neda Afzali, M.D.Albany, OR1114197787
  3. Ebelosele Aigbivbalu, MDRoseburg, OR1164918108
  4. Ekene Ajufo, M.D.Hermiston, OR1962853556
  5. Raya Al Ghalayini, MDMedford, OR1255990735
  6. Zaid Al-Mulla, MDTigard, OR1558441030
  7. Hugh Alexander, MDPortland, OR1811986813
  8. Abdallah Alkhaldi, MDKlamath Falls, OR1407544281
  9. Michael Allender, MDCorvallis, OR1679522692
  10. Victoria Allsup, MDLebanon, OR1437786944

Common questions

What is Ryan Erdwins, DO's NPI number?

Ryan Erdwins, DO's National Provider Identifier (NPI) is 1538736939, issued on Jun 5, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Ryan Erdwins, DO located?

The NPPES record lists a practice address at 9205 SW Barnes RD, Portland, OR, 97225. Phone: (503) 216-2906. Providers update this record themselves, so call before visiting.

How can I verify Ryan Erdwins, DO's license?

NPPES lists Oregon license number DO224522, 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.

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.