NPPES file of Aug 9, 2026

Christopher Andrew Yasenchak, M.D.

Hematology & Oncology Physician · Eugene, OR

Christopher Andrew Yasenchak, M.D. is a hematology & oncology physician with a practice address in Eugene, Oregon, and NPI 1508830670, issued on Feb 15, 2006. Check the license (Oregon MD27063, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1508830670
Name
Christopher Andrew Yasenchak
Credential
M.D.
Primary taxonomy
Hematology & Oncology Physician 207RH0003X
License numbers
MD27063 OR
MD00047341 WA
Self-reported in NPPES; status is on the state search
Practice location
520 Country Club Pkwy, Eugene, OR 97401
Phone
(541) 683-5001
Enumerated
Feb 15, 2006
Record last updated
Aug 17, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(541) 683-1422
Medicaid IDs
1046717 WA
247327 OR
Medicare enrollment
Enrolled (PECOS I20061116000155); accepts Medicare assignment
Medical or professional school
Pennsylvania State University College Of Medicine, 1999
Telehealth
Offers telehealth (CMS)
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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Also registered at 520 Country Club Pkwy

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

  1. Charles Anderson, M.D.Gynecologic Oncology Physician1215191259
  2. Linn Bergander, PA-CPhysician Assistant1184965121
  3. Glenn Buchanan, MDHematology & Oncology Physician1972589141
  4. Emily Bucholtz, RPHPharmacist1073813127
  5. Michael Bullock, MDRadiation Oncology Physician1669458758
  6. James Butrynski, M.D.Hematology & Oncology Physician1427134287

Verify Christopher Andrew Yasenchak in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersOregon Medical Board
    Search for license MD27063
    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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66% more Medicare Part D claims than the average hematology & oncology physician in 2024

1,454 Medicare Part D claims for 221 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. 126 claims were for opioids.

  1. Christopher Yasenchak1,454
  2. Specialty average877

Most prescribed

  1. Brukinsa125 claims
  2. Dexamethasone121 claims
  3. Acyclovir66 claims
  4. Prochlorperazine Maleate66 claims
  5. Oxycodone Hcl65 claims
  6. Lenalidomide52 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 MIPS final score for 2023 (Medicare payment program): 96.9 of 100

The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score87.1
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $10,341.65

6 payments; by number, the most common kind was compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program; the largest payer was Pfizer Inc. The 8,560 providers of this specialty with any payment received $7,481.41 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Christopher Yasenchak$10,342
  2. Specialty average$7,481

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

  1. Oncology Associates OF Oregon P CEugene, OR

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Christopher Andrew Yasenchak among 138 hematology & oncology physician records in Oregon

Christopher Andrew Yasenchak, M.D. is one of 138 hematology & oncology physician records with a practice address in Oregon. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 18% of them.

  • NPI issued2006 · 18% of these records are older, 46% newer
  • In a Medicare fileYes · 78% of these records are
  • In the CMS Doctors and Clinicians fileYes · 70% of these records are
  • Graduated1999 · median 2001 among the 97 with a school on file
  • Record last updated2021 · 56% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0003X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Hematology & Oncology Physician providers in Oregon

There are 138 hematology & oncology physician records in Oregon.

The 8 hematology & oncology physician records with the nearest ZIP codes

  1. Glenn Buchanan, MDEugene, OR 974011972589141
  2. James Butrynski, M.D.Eugene, OR 974011427134287
  3. Miho Dougherty, M.D.Eugene, OR 974011184950479
  4. James Fitzgibbons, MDEugene, OR 974011801872171
  5. Luke Fletcher, MDEugene, OR 974011770979098
  6. Daniel Guy, MDEugene, OR 974011366860553
  7. Jae Lee, MDEugene, OR 974011154307080
  8. Matthew Lonergan, MDEugene, OR 974011639122591

Common questions

What is Christopher Andrew Yasenchak, M.D.'s NPI number?

Christopher Andrew Yasenchak, M.D.'s National Provider Identifier (NPI) is 1508830670, issued on Feb 15, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Christopher Andrew Yasenchak, M.D. located?

The NPPES record lists a practice address at 520 Country Club Pkwy, Eugene, OR, 97401. Phone: (541) 683-5001. Providers update this record themselves, so call before visiting.

How can I verify Christopher Andrew Yasenchak, M.D.'s license?

NPPES lists Oregon license number MD27063, 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 Christopher Andrew Yasenchak, M.D. prescribe under Medicare Part D?

In 2024, Christopher Andrew Yasenchak, M.D. had 1,454 Medicare Part D claims for 221 beneficiaries; the average among hematology & oncology physician prescribers was 877. Part D covers Medicare prescriptions only.

What is Christopher Andrew Yasenchak, M.D.'s MIPS final score?

The 2023 MIPS final score is 96.9 of 100. 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.