Nathan Wayne Scadlock, DNP, ARNP
Primary Care Nurse Practitioner · Eugene, OR
Nathan Wayne Scadlock, DNP, ARNP is a primary care nurse practitioner with a practice address in Eugene, Oregon, and NPI 1235571936, issued on Jul 23, 2013. Check the license (Oregon 201900807NP-PP, as entered in NPPES) with the Oregon board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Nathan Wayne Scadlock
- Credential
- DNP, ARNP
- Primary taxonomy
- Primary Care Nurse Practitioner 363LP2300X
- License number
- 201900807NP-PP OR
Self-reported in NPPES; status is on the state search - Practice location
- 1650 Chambers St, Eugene, OR 97402
- Phone
- (541) 686-1711
- Enumerated
- Jul 23, 2013
- Record last updated
- Jun 11, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (541) 686-6018
- Medicaid ID
- 500760659 OR
- Entity
- Type 1 · individual
8 nearest primary care nurse practitioner records → All 107 in Oregon → Look up another NPI →
Also registered at 1650 Chambers St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sheryl AllenPrimary Care Nurse Practitioner1679399612
- William Balsom, MDFamily Medicine Physician1427028448
- Eric Colgrove, M.D.Pediatrics Physician1881674869
- Michael Diehl, MDPediatrics Physician1508836503
- Hesham Elmergawy, M.DRheumatology Physician1811246176
- Sylvia Emory, MDFamily Medicine Physician1881664803
Verify Nathan Wayne Scadlock in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Oregon board licenses this profession
Search for license 201900807NP-PPCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average primary care nurse practitioner in 2024
21 Medicare Part D claims, against an average of 1,492 among the 5,992 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 91.1 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Nathan Wayne Scadlock among 107 primary care nurse practitioner records in Oregon
Nathan Wayne Scadlock, DNP, ARNP is one of 107 primary care nurse practitioner records with a practice address in Oregon. 72% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 23% of them.
- NPI issued2013 · 23% of these records are older, 74% newer
- In a Medicare fileYes · 72% of these records are
- In the CMS Doctors and Clinicians fileNo · 57% of these records are
- Record last updated2019 · 32% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LP2300X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Primary Care Nurse Practitioner providers in Oregon
There are 107 primary care nurse practitioner records in Oregon.
All 107 in Oregon → Every provider in Eugene → Primary Care Nurse Practitioner nationwide →
The 8 primary care nurse practitioner records with the nearest ZIP codes
- Sheryl AllenEugene, OR 974021679399612
- Doris Dee Fleming, NPEugene, OR 974011386002038
- Shayda HaririEugene, OR 974011114807070
- Sarah Meyers, FNP-BCEugene, OR 974011942810254
- Rachel Singh, MSN, FNPEugene, OR 974051821762709
- Jiyoon Choi, NPEugene, OR 974081356789507
- Linda Bono, FNPBandon, OR 974111346452240
- Suzanne Yost, F.N.P.Bandon, OR 974111982667218
Common questions
What is Nathan Wayne Scadlock, DNP, ARNP's NPI number?
Nathan Wayne Scadlock, DNP, ARNP's National Provider Identifier (NPI) is 1235571936, issued on Jul 23, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Nathan Wayne Scadlock, DNP, ARNP located?
The NPPES record lists a practice address at 1650 Chambers St, Eugene, OR, 97402. Phone: (541) 686-1711. Providers update this record themselves, so call before visiting.
How can I verify Nathan Wayne Scadlock, DNP, ARNP's license?
NPPES lists Oregon license number 201900807NP-PP, as entered by the provider. Search the Oregon board that licenses this profession; the NPPES record confirms identity only.
How much does Nathan Wayne Scadlock, DNP, ARNP prescribe under Medicare Part D?
In 2024, Nathan Wayne Scadlock, DNP, ARNP had 21 Medicare Part D claims; the average among primary care nurse practitioner prescribers was 1,492. Part D covers Medicare prescriptions only.
What is Nathan Wayne Scadlock, DNP, ARNP's MIPS final score?
The 2023 MIPS final score is 91.1 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.