DR. CHRISTOPHER ANDREW YASENCHAK (M.D.) – Hematology & Oncology Physician, NPI 1508830670
Hematology & Oncology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
171 HEMATOLOGY/ONCOLOGY in OR
Provider Addresses for DR. CHRISTOPHER ANDREW YASENCHAK (M.D.)
520 COUNTRY CLUB PKWY
EUGENE, OR 974016036
Phone: (541) 683-5001
Fax: (541) 683-1422
Type: Mailing
Southwest 65th Avenue, Tualatin, Metro, Washington County, Oregon, 97062, United States
SUITE 435
TUALATIN, OR 970625701
Phone: (503) 692-2032
Fax: (503) 692-4450
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 40 Open Payments records for all available years, with a total value of $60,452.
Total Amount is formed as General ($47,572) + Research ($12,880) + Ownership ($0) = $60,452.
Last reported payment date: 2024-12-09 • Largest payer in this snapshot: BeiGene USA, Inc. ($30,535).
Total Amount
$60,452
General + Research + Ownership
Payments
40
Total payment records
General Amount
$47,572
General payments
Research Amount
$12,880
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-09
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| BeiGene USA, Inc. | $30,535 |
| PFIZER INC. | $18,997 |
| Lilly USA, LLC | $7,814 |
| AstraZeneca UK Limited | $1,665 |
| Janssen Scientific Affairs, LLC | $1,350 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2006-11-16
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20061116000155 | I | Hematology/Oncology | OR | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| J1439 | Injection, ferric carboxymaltose, 1 mg | 10,500 | 12 | $0 |
| J0881 | Injection, darbepoetin alfa, 1 microgram (non-esrd use) | 9,720 | 11 | $0 |
| J9271 | Injection, pembrolizumab, 1 mg | 6,500 | 14 | $0 |
| J9299 | Injection, nivolumab, 1 mg | 5,800 | 12 | $0 |
| J0185 | Injection, aprepitant, 1 mg | 5,070 | 21 | $0 |
Insurance plans in this area (ZIP 97401)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| HEMATOLOGY/ONCOLOGY | OR | 96367 | Infusion into a vein for therapy prevention or diagnosis additional sequential infusion up to 1 hour | 392 | 87 |
| HEMATOLOGY/ONCOLOGY | OR | 96375 | Injection of different drug or substance into a vein for therapy, diagnosis, or prevention | 373 | 89 |
| HEMATOLOGY/ONCOLOGY | OR | 96415 | Infusion of chemotherapy into a vein | 154 | 40 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Physician Assistant | OR | |
| Nurse Practitioner | WA | |
| Nurse Practitioner | OR | |
| Hospice/Palliative Care, Gynecological Oncology | OR | |
| H E M A T O L O G Y/ O N C O L O G Y | OR | |
| Nurse Practitioner | TX | |
| Medical Oncology | OR | |
| H E M A T O L O G Y/ O N C O L O G Y | OR | |
| Physician Assistant | OR | |
| Physician Assistant | OR |
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