Nathanael Wells Holbrook, PA
Physician Assistant · Eugene, OR
Nathanael Wells Holbrook, PA is a physician assistant with a practice address in Eugene, Oregon, and NPI 1588300370, issued on May 5, 2022. Check the license (Oregon PA226123, as entered in NPPES) with the Oregon board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Nathanael Wells Holbrook
- Credential
- PA
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- PA226123 OR
Self-reported in NPPES; status is on the state search - Practice location
- 598 E 13TH Ave, Eugene, OR 97401
- Phone
- (541) 636-3473
- Enumerated
- May 5, 2022
- Record last updated
- Sep 25, 2025
- Fax
- (541) 305-4449
- Medicare enrollment
- Enrolled (PECOS I20250909003819); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 2,094 in Oregon → Look up another NPI →
Also registered at 598 E 13TH Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Nathanael Wells Holbrook in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Oregon board licenses this profession
Search for license PA226123Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
94% fewer Medicare Part D claims than the average physician assistant in 2024
50 Medicare Part D claims for 32 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D.
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): 48.8 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).
Industry payments in 2024: $51.24
1 payment: food and beverage; the largest payer was 3B Medical, Inc. The 64,719 providers of this specialty with any payment received $841.65 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Icco LLCEugene, OR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Nathanael Wells Holbrook among 2,094 physician assistant records in Oregon
Nathanael Wells Holbrook, PA is one of 2,094 physician assistant records with a practice address in Oregon. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 78% of them.
- NPI issued2022 · 78% of these records are older, 17% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 74% of these records are
- Graduated2021 · median 2017 among the 1,552 with a school on file
- Record last updated2025 · 37% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
99 physician assistant records list a practice address in Eugene
They are 99 of the 8,239 NPPES records with a practice address in Eugene, and 2,094 physician assistant records in Oregon.
All 2,094 in Oregon → Every provider in Eugene → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Cheryl Bourgault, PA CEugene, OR 974011205823036
- Jeffrey Canter, PA-CEugene, OR 974011124091095
- Richard Cunliffe, PACEugene, OR 974011154330215
- Molly Emberlin, PAC, M.S.Eugene, OR 974011619048469
- Serena Luce, PA-CEugene, OR 974011821067489
- Leslie McStravick, PA-CEugene, OR 974011851305791
- Lisa Moeller, PA-CEugene, OR 974011881674323
- John Nelson, PAEugene, OR 974011588642433
Common questions
What is Nathanael Wells Holbrook, PA's NPI number?
Nathanael Wells Holbrook, PA's National Provider Identifier (NPI) is 1588300370, issued on May 5, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Nathanael Wells Holbrook, PA located?
The NPPES record lists a practice address at 598 E 13TH Ave, Eugene, OR, 97401. Phone: (541) 636-3473. Providers update this record themselves, so call before visiting.
How can I verify Nathanael Wells Holbrook, PA's license?
NPPES lists Oregon license number PA226123, as entered by the provider. Search the Oregon board that licenses this profession; the NPPES record confirms identity only.
How much does Nathanael Wells Holbrook, PA prescribe under Medicare Part D?
In 2024, Nathanael Wells Holbrook, PA had 50 Medicare Part D claims for 32 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.
What is Nathanael Wells Holbrook, PA's MIPS final score?
The 2023 MIPS final score is 48.8 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.