William Retz
Trauma Surgery Physician · Springfield, OR
William Retz is a trauma surgery physician with a practice address in Springfield, Oregon, and NPI 1427685080, issued on Mar 24, 2020. Check the license (Oregon MD229478, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.
- Name
- William Retz
- Primary taxonomy
- Trauma Surgery Physician 2086S0127X
- License number
- MD229478 OR
Self-reported in NPPES; status is on the state search - Practice location
- 3355 Riverbend Dr Ste 300, Springfield, OR 97477
- Phone
- (541) 222-2720
- Enumerated
- Mar 24, 2020
- Entity
- Type 1 · individual
Also registered at 3355 Riverbend Dr Ste 300
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Alyssa BaltruschStudent in an Organized Health Care Education/Training Program1598575136
- Patricia Brisco, ANP, BCAdult Health Nurse Practitioner1053326900
- Kelly Christner, PA-CSurgical Physician Assistant1154796878
- John Dickinson, M.D.Surgery Physician1477582872
- Loic Fabricant, M.D.Surgery Physician1790945418
- Christine Kollmorgen, M.D.Surgery Physician1346282852
Verify William Retz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical Board
Search for license MD229478Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
55% fewer Medicare Part D claims than the average trauma surgery physician in 2024
34 Medicare Part D claims for 27 beneficiaries, against an average of 75 among the 365 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 19 claims were for opioids.
Most prescribed
- Oxycodone Hcl19 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.
Trauma Surgery Physician providers in Oregon
There are 18 trauma surgery physician records in Oregon.
Other trauma surgery physician records in Oregon
- Carrie Allison, MDSalem, OR1548487184
- Karen Brasel, MDPortland, OR1073564423
- Albert Chi, MDPortland, OR1285802009
- Mackenzie Cook, MDPortland, OR1497070486
- Anthony Hayes, MDPortland, OR1275978645
- West Livaudais, MDSalem, OR1194828533
- William Long, MDPortland, OR1598735490
- Sean McCully, M.D., M.S.Eugene, OR1609018878
- Alexis Moren, M.D.Salem, OR1922323831
- Richard Mullins, MDPortland, OR1609882299
Common questions
What is William Retz's NPI number?
William Retz's National Provider Identifier (NPI) is 1427685080, issued on Mar 24, 2020. An NPI identifies a provider in billing; it is not a license.
Where is William Retz located?
The NPPES record lists a practice address at 3355 Riverbend Dr Ste 300, Springfield, OR, 97477. Phone: (541) 222-2720. Providers update this record themselves, so call before visiting.
How can I verify William Retz's license?
NPPES lists Oregon license number MD229478, 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 William Retz prescribe under Medicare Part D?
In 2024, William Retz had 34 Medicare Part D claims for 27 beneficiaries; the average among trauma surgery physician prescribers was 75. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.