DONALD K YANG (MD) – Gastroenterology Physician, NPI 1023037306
Gastroenterology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
252 GASTROENTEROLOGY in OR
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Provider Addresses for DONALD K YANG (MD)
3355, Riverbend Drive, Springfield, Lane County, Oregon, 97477, United States
SUITE 500
SPRINGFIELD, OR 974778800
Phone: (541) 868-9500
Fax: (541) 685-5920
Mailing address matches the actual address.
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 17 Open Payments records for all available years, with a total value of $562.
Total Amount is formed as General ($562) + Research ($0) + Ownership ($0) = $562.
Last reported payment date: 2024-12-18 • Largest payer in this snapshot: Boston Scientific Corporation ($142).
Total Amount
$562
General + Research + Ownership
Payments
17
Total payment records
General Amount
$562
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-18
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Boston Scientific Corporation | $142 |
| Braintree Laboratories, Inc. | $106 |
| E.R. Squibb & Sons, L.L.C. | $86 |
| GENZYME CORPORATION | $70 |
| ABBVIE INC. | $44 |
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: 2004-04-23
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 |
|---|---|---|---|---|
| I20040423000861 | I | Gastroenterology | 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 |
|---|---|---|---|---|
| 88305 | Pathology examination of tissue using a microscope, intermediate complexity | 223 | 145 | $0 |
| 45380 | Biopsy of large bowel using a flexible endoscope | 77 | 77 | $0 |
| 43239 | Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 75 | 73 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 57 | 44 | $0 |
| G0105 | Colorectal cancer screening; colonoscopy on individual at high risk | 51 | 51 | $0 |
Insurance plans in this area (ZIP 97477)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| GASTROENTEROLOGY | OR | 43235 | Diagnostic examination of esophagus, stomach, and/or upper small bowel using an endoscope | 21 | 21 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| G A S T R O E N T E R O L O G Y | OR | |
| G A S T R O E N T E R O L O G Y | OR | |
| Physician Assistant | MO | |
| Physician Assistant | OH | |
| G A S T R O E N T E R O L O G Y | OR | |
| Gastroenterology, Internal Medicine | VA | |
| G A S T R O E N T E R O L O G Y | SC | |
| - | OR | |
| G A S T R O E N T E R O L O G Y | IL | |
| Physician Assistant | OR |
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