NPPES file of Aug 9, 2026

Ryan R. Stiegler

Internal Medicine Physician · Portland, OR

Ryan R. Stiegler is an internal medicine physician with a practice address in Portland, Oregon, and NPI 1255929907, issued on Jan 7, 2021. Check the license (Oregon DO229380, 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
1255929907
Name
Ryan R. Stiegler
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
DO229380 OR
Self-reported in NPPES; status is on the state search
Practice location
2801 N Gantenbein Ave, Portland, OR 97227
Phone
(541) 503-4138
Enumerated
Jan 7, 2021
Record last updated
Apr 30, 2026
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 2801 N Gantenbein Ave

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

  1. Corey Anderson, PSY.D.Clinical Neuropsychologist1114278819
  2. Amy Anderton, MDInternal Medicine Physician1568802361
  3. Roberto Anker, M.D.Anatomic Pathology & Clinical Pathology Physician1518179613
  4. Dilara ArtikaslanClinical Social Worker1083494140
  5. Cibi Arumugam, M.D.Internal Medicine Physician1376822742
  6. Bradley Baker, MDInternal Medicine Physician1831357615

Verify Ryan R. Stiegler in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersOregon Medical Board
    Search for license DO229380
    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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86% fewer Medicare Part D claims than the average internal medicine physician in 2024

457 Medicare Part D claims for 99 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 19 claims were for opioids.

  1. Ryan Stiegler457
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium29 claims
  2. Gabapentin19 claims
  3. Amlodipine Besylate18 claims
  4. Eliquis18 claims
  5. Bupropion Xl15 claims
  6. Losartan Potassium13 claims

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.

Ryan R. Stiegler among 2,116 internal medicine physician records in Oregon

Ryan R. Stiegler is one of 2,116 internal medicine physician records with a practice address in Oregon. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 91% of them.

  • NPI issued2021 · 91% of these records are older, 7% newer
  • In a Medicare fileYes · 73% of these records are
  • In the CMS Doctors and Clinicians fileNo · 58% of these records are
  • Record last updated2026 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

889 internal medicine physician records list a practice address in Portland

They are 889 of the 42,088 NPPES records with a practice address in Portland, and 2,116 internal medicine physician records in Oregon.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Douglas Beers, MDPortland, OR 972271720055197
  2. Denise Bilbao, M.D.Portland, OR 972271538173943
  3. Duane Burroughs, MDPortland, OR 972271134197213
  4. Smitha Chadaga, MDPortland, OR 972271952362295
  5. Darcy Deering, M.D.Portland, OR 972271205801065
  6. Lori Farrell, M.D.Portland, OR 972271235103987
  7. Elise Fulsang, MDPortland, OR 972271952305385
  8. Ameet Jhooty, M.DPortland, OR 972271295795938

Common questions

What is Ryan R. Stiegler's NPI number?

Ryan R. Stiegler's National Provider Identifier (NPI) is 1255929907, issued on Jan 7, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Ryan R. Stiegler located?

The NPPES record lists a practice address at 2801 N Gantenbein Ave, Portland, OR, 97227. Phone: (541) 503-4138. Providers update this record themselves, so call before visiting.

How can I verify Ryan R. Stiegler's license?

NPPES lists Oregon license number DO229380, 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 Ryan R. Stiegler prescribe under Medicare Part D?

In 2024, Ryan R. Stiegler had 457 Medicare Part D claims for 99 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.