NPPES file of Aug 9, 2026

Alexander Hadley Ryder, DO

Anesthesiology Physician · Springfield, OR

Alexander Hadley Ryder, DO is an anesthesiology physician with a practice address in Springfield, Oregon, and NPI 1740799519, issued on Sep 25, 2017. Check the license (Oregon DO214281, 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
1740799519
Name
Alexander Hadley Ryder
Credential
DO
Primary taxonomy
Anesthesiology Physician 207L00000X
License number
DO214281 OR
Self-reported in NPPES; status is on the state search
Practice location
3333 Riverbend Dr, Springfield, OR 97477
Phone
(312) 942-5000
Enumerated
Sep 25, 2017
Record last updated
Sep 22, 2023
Fax
(312) 942-8858
Medicare enrollment
Enrolled (PECOS I20230921003853); accepts Medicare assignment
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 3333 Riverbend Dr

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

  1. Casey Aaby, PHARMDPharmacist1114735909
  2. Dominic Adams, PT, DPTPhysical Therapist1164231882
  3. Ana Maria Aguilar Messick, PHARMDPharmacist1922957323
  4. Jared Alexander, MDAnesthesiology Physician1265010102
  5. Kevin Allan, M.D.Emergency Medicine Physician1023549466
  6. Courtney ApkerFamily Nurse Practitioner1104363878

Verify Alexander Hadley Ryder in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersOregon Medical Board
    Search for license DO214281
    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. Northwest Anesthesia Physicians PCSpringfield, OR

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

Alexander Hadley Ryder among 969 anesthesiology physician records in Oregon

Alexander Hadley Ryder, DO is one of 969 anesthesiology physician records with a practice address in Oregon. 68% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 85% of them.

  • NPI issued2017 · 85% of these records are older, 12% newer
  • In a Medicare fileYes · 68% of these records are
  • In the CMS Doctors and Clinicians fileYes · 65% of these records are
  • Graduated2019 · median 2009 among the 627 with a school on file
  • Record last updated2023 · 64% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207L00000X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

87 anesthesiology physician records list a practice address in Springfield

They are 87 of the 2,209 NPPES records with a practice address in Springfield, and 969 anesthesiology physician records in Oregon.

The 8 anesthesiology physician records with the nearest ZIP codes

  1. Stephen Aufderheide, MDSpringfield, OR 974771215967625
  2. Lloyd Biby, M.D.Springfield, OR 974771194722785
  3. Mark Bodily, MDSpringfield, OR 974771033147129
  4. Charles Cook, MDSpringfield, OR 974771275508574
  5. Richard Finkelstein, MDSpringfield, OR 974771245265370
  6. Daniel Hagengruber, MDSpringfield, OR 974771073543732
  7. Holger Hennig, MDSpringfield, OR 974771619961398
  8. John Melton, MDSpringfield, OR 974771609801935

Common questions

What is Alexander Hadley Ryder, DO's NPI number?

Alexander Hadley Ryder, DO's National Provider Identifier (NPI) is 1740799519, issued on Sep 25, 2017. An NPI identifies a provider in billing; it is not a license.

Where is Alexander Hadley Ryder, DO located?

The NPPES record lists a practice address at 3333 Riverbend Dr, Springfield, OR, 97477. Phone: (312) 942-5000. Providers update this record themselves, so call before visiting.

How can I verify Alexander Hadley Ryder, DO's license?

NPPES lists Oregon license number DO214281, 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.