NPPES file of Aug 9, 2026

Sienna J. Ringgenberg, MD

Diagnostic Radiology Physician · Beaverton, OR

Sienna J. Ringgenberg, MD is a diagnostic radiology physician with a practice address in Beaverton, Oregon, and NPI 1225730500, issued on Mar 20, 2023. Check the license (Oregon MD224995, as entered in NPPES) on the Oregon Medical Board; the federal record below is the public data PlainDoctor holds for this provider.

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

NPPES recordNPPES file of Aug 9, 2026
1225730500
Name
Sienna J. Ringgenberg
Credential
MD
Primary taxonomy
Diagnostic Radiology Physician 2085R0202X
License number
MD224995 OR
Self-reported in NPPES; status is on the state search
Practice location
4855 SW Western Ave, Beaverton, OR 97005
Phone
(800) 813-2000
Enumerated
Mar 20, 2023
Record last updated
Oct 14, 2025
Medicare enrollment
Enrolled (PECOS I20251028003834); may accept Medicare assignment
Medical or professional school
Oakland Univ, William Beaumont School Of Medicine, 2023
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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8 nearest diagnostic radiology physician records → All 522 in Oregon → Look up another NPI →

Also registered at 4855 SW Western Ave

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

  1. Jean Akin, PMHNPAdult Psychiatric/Mental Health Registered Nurse1316013857
  2. Amanda AndersenInternal Medicine Physician1033504410
  3. Carole Anderson, FNPFamily Nurse Practitioner1467561241
  4. Scott Anderson, ODOptometrist1689774218
  5. Tovi Anderson, M.D., PH.D.Family Medicine Physician1902225725
  6. Sarah Anderson Mills, EFDADental Assistant1154886877

Verify Sienna J. Ringgenberg in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersOregon Medical Board
    Search for license MD224995    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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Sienna J. Ringgenberg among 522 diagnostic radiology physician records in Oregon

Sienna J. Ringgenberg, MD is one of 522 diagnostic radiology physician records with a practice address in Oregon. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2023, is newer than 98% of them.

  • NPI issued2023 · 98% of these records are older, under 1% newer
  • In a Medicare fileNo · 67% of these records are
  • In the CMS Doctors and Clinicians fileYes · 64% of these records are
  • Graduated2023 · median 2005 among the 334 with a school on file
  • Record last updated2025 · 59% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0202X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Diagnostic Radiology Physician providers in Oregon

There are 522 diagnostic radiology physician records in Oregon. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 522 in Oregon → Every provider in Beaverton → Diagnostic Radiology Physician nationwide →

The 8 diagnostic radiology physician records with the nearest ZIP codes

  1. Reza Moein TaghaviBeaverton, OR 970051578283958
  2. Jane Bedell, MDBeaverton, OR 970061841201894
  3. Paul Meunier, MDBeaverton, OR 970061932110988
  4. Jay Bocchi, MDBeaverton, OR 970081972678779
  5. Rahul Desai, MDBeaverton, OR 970081275551061
  6. Kellie Schenk, M.D.Beaverton, OR 970081952545923
  7. Christa Blecher, MDClackamas, OR 970151376525790
  8. Brian Dunkley, MDClackamas, OR 970151497702062

Common questions

What is Sienna J. Ringgenberg, MD's NPI number?

Sienna J. Ringgenberg, MD's National Provider Identifier (NPI) is 1225730500, issued on Mar 20, 2023. An NPI identifies a provider in billing; it is not a license.

Where is Sienna J. Ringgenberg, MD located?

The NPPES record lists a practice address at 4855 SW Western Ave, Beaverton, OR, 97005. Phone: (800) 813-2000. Providers update this record themselves, so call before visiting.

How can I verify Sienna J. Ringgenberg, MD's license?

NPPES lists Oregon license number MD224995, 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. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.